Largest Sandpaper Test EVER Done - Top 19 brands Tested using Robots for Unbiased Data

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Support What We Do at The Katz-Moses Store www.KMtools.com
How do you design the largest, with 19 Brands and the most fair sandpaper test ever done? You do it with Industrial Robots, capable of delivering the exact same pressure for 4 days straight and ATI’s pneumatic random orbital sanding head. We tested 19 Brands and a newcomer WHOOPED everyone. We got some unbelievable results. The test results can be downloaded for free from my website. Let me know what you’d like to see next. Thanks for watching! Please like, comment and subscribe. Cheers!
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Опубликовано:

28 сен 2024

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Комментарии : 1 тыс.

@katzmosestools 3 года назад

*Download the Results for FREE and Support What We Do at The Katz-Moses Store* lddy.no/stih *Winner (back in stock fyi but better hurry)* 3M Xtract: shop.kmtools.com/3mXtract *Cubitron II Page* shop.kmtools.com/3mXtract Thank you to ATI Industrial Automation for Hosting us. Check them out, they make really insane things. instagram.com/ati_automation/ www.ati-ia.com/ A much better data table public.tableau.com/app/profile/k.sloan/viz/SandPaperTestResults/SandingResults

@Justanormalguy191 3 года назад

I hope your test results are good. Just used your link to buy 100 pack of all available grits.

@etbman7 3 года назад

Thanks for doing this amazing project, @Jonathan Katz-Moses, but could you please provide the data in your original format (Excel or CSV maybe)? I'd like to show some other visualizations of it (that's my specialty), but it's a real pain to pull from PDF. Please and thank you!

@daZache04 3 года назад

Wow, just wow! Amazing test and findings!! This could really influence the market. Maybe you can show the real world application of your favorites in another video and compare different grids. Thank you for doing these test and on such a high scientific level!

@christopherkelley6014 3 года назад

Thanks for doing this test and thank you for giving a free download for the results. Mad skills in the shop....Mad Science in the brain. Thanks for ALL your education brother.

@DavidMcCabe 3 года назад

Is it my mobile browser or does tay tools always have an invalid https cert?

@izzyswan 3 года назад

just dropped 300 bucks on the 3M xtract for the production shop! Thank you for doing these videos! RESPECT!

@katzmosestools 3 года назад

IZZY! That's awesome brother! You'll absolutely love it!

@bobd. 3 года назад

I didn't even wait till the end of the video. I was listening to the vid and ordering 4 different grits at the same time. Should be here in a couple days and just in time for a project I am getting into the finishing stages of. Thanks for this timely test Jonathan. I think I'll be giving away or selling all my Festool paper soon. But I have to move fast before everyone finds out it's worthless. :-)

@JamesWilliams-en3os 3 года назад

@@bobd. I did exactly the same thing. When I saw that the 3 brands of sandpaper I have been buying locally and have on hand in my shop are basically crap, I paused the video, went to TT’s website and bought a metric shit-ton of Cubitron Mesh!

@AlAmantea 3 года назад

Right there with you, Izzy! Wish they had it in 3.5" for the RO90 and delta pads, too!

@bobd. 3 года назад

I predict 3M will be working some OT to keep up. They have Jonathan to blame. 😁

@PapaFlammy69 3 года назад

What a comprehensive overview, well done Jonathan! =)

@Anglo-EgyptianMan 3 года назад

Damn dude, didn't expect to see you here.

@Gravy_Master 3 года назад

@@Anglo-EgyptianMan Seriously? A generic comment from someone with a check mark next to their name, trying to farm channel views - and this surprises you?

@Anglo-EgyptianMan 3 года назад

@@Gravy_Master Yea, why would a maths channel be into sandpaper comparisons?

@samp-w7439 3 года назад

@@Anglo-EgyptianMan Well it's because papa Flammy recently started Flammy's Woodworking, so he's likely more into the woodworking RU-vid game these days.

@RockHardWoodDaddy 3 года назад

@@Gravy_Master I am a wood worker myself lol Please make sure to double check before accusing them of weird shit

@peterbilelis1794 3 года назад

Jonathan - really appreciate all your videos. In terms of hook and loop sand paper testing, I believe there is one absolutely key aspect to the longevity / cost-benefit analysis that never gets tested: the disc's ability to stick to the sander after multiple on/offs. As an example, I purchased the Cubitron multipacks months ago and agree they were the best in terms of removal. But, its common to switch between discs (e.g. 80, 120, 220) throughout the sanding process. I found that the Cubitron discs would just fly off even my 2 new sanders after 5-10 "attach/remove/reattach" cycles. Didn't matter how long each disc was used. Have never experienced this with any other disc. All tests I've seen simply leave the disc attached throughout the testing process to determine grams removed. I think in a real world scenario where pads are removed and reattached, the cost of the Cubitron sky-rockets as the sanding side remains great but the disc is unusable because the backing will no longer stick to the sander. Due to this, I would not buy another 3M disc until this issue is addressed. From a cost-benefit perspective, this issue renders the Cubitron no better than the ones that remove the least material- unless you keep the 3M disc on your sander and never remove it. As such, I think testing this fundamental aspect of any disc is every bit as important in any cost-benefit test - and make that suggestion for your next such event. Many thanks for another great video.

@Ryan-dj5ku Год назад

Great comment. That is my big problem, sandpaper not sticking. I would also like to know how long each piece lasts before it's not useable. These tests didn't seem to figure out how many total minutes of sanding each brand lasts for.

@markolmstead4709 9 месяцев назад

Use a backing pad protector and you won’t have that problem anymore. The problem with the mesh paper is the hook and loop from the sanding pad are exposed to the wood surface and get ground down due to friction and heat, which decreases their ability to hold the paper.

@731Woodworks 3 года назад

Amazing test! Great job!

@gabesmith6475 3 года назад

You guys need to do a collaboration soon

@731Woodworks 3 года назад

@@gabesmith6475 👊

@joshcraigrainey 3 года назад

RU-vid is out here busting myths of woodworking left and right lately. As a scientist by day, I am so proud to see these videos. I don't have to rely on what my grandpappy's grandpappy told him. Awesome video. Awesome channel. Awesome everything! Keep it up!!!!

@Lincolnstww 3 года назад

That was absolutely fantastic. So true with "you need to value your time" This video is not stop VALUE VALUE VALUE. Bravo!

@katzmosestools 3 года назад

Cheers brother! Loving the channel.

@baraksinz 3 года назад

Wait, did he say that Festool keeps the cost of their tools down? 😳 Where are you buying Festool, Mr. Katz-Moses? 😁 Great video, sir!

@katzmosestools 3 года назад

Hahaha I meant they'd be a lot higher if they didn't also sell the consumables

@JamesWilliams-en3os 3 года назад

😂😂

@donmartinfamily 3 года назад

In had the same thought.

@ericw9655 3 года назад

I died at that part too! Just imagine how expensive they’d be without the razor/razor blade model! $10,000 domino tool anyone? 😂

@drmkiwi 3 года назад

@@katzmosestools Haha, thanks for explaining that. I really thought you were being sarcastic and able to maintain an absolute deadpan face. (I think I preferred your comment without the explanation!) Great video though, thanks. Cheers, David

@yannpenhas9280 2 года назад

Very impressed with the methodology and results !! Even the format of the video is great ! No long speeches, straight to the point. Great job guys ! Now I know what to buy !!

@DeleRT83TV 3 года назад

I really love these kind of videos. You are doing a service to woodworkers. Keep up the good work and thank you!

@simonmurray2002 3 года назад

Well planned and executed test, I can see this one rattling a few corporate cages but this is what the world needs. I would be very interested to see if the trend carried across all grits or does it pay to have an 80 in one brand a 120 in another and so on.

@thepewplace1370 2 года назад

I got a sample pack of the 3M cubitron mesh featured here and it drastically outperforms my go-to Diablo in every grit I got it in (120, 220, 320 if I remember right). I think youd be safe in going all in on the 3M mesh

@matthewyoder2272 2 года назад

Can’t wait to trial the 3M products. Nothing more valuable to me than my time. Thank you!!!

@jameshubbard4966 3 года назад

And so continues the tradition of watching a video on my iPad and shopping taytools on my laptop before it’s done. Good stuff as always!

@truthserum9157 2 года назад

WOW! The best test I’ve ever seen.

@SpencleyDesignCo 3 года назад

Well done Jonathan! Thank you for doing this!

@jzvetter 3 года назад

This is gold. gonna rewatch this everytime i need sandpaper

@richragan4810 3 года назад

UNBELIEVEABLE!!!!! I just got my package of 3M Extract CUBITRON and Goodbye DeWalt Sanding Disc's!! I simplt can't beleive the difference and can't thank you enough. All these years of Woodworking and I never knew! Who did before you?

@jwalker1429 3 года назад

Commenting to boost video stats. And to say this video was awesome and very helpful, thank you!

@mlrodenburg1990 2 года назад

Really wondering how the winning 3M compares to the Abranet Ace (with ceramic abrasive). Maybe another shootout with hardwood endgrain sanding, only using net papers with ceramic abrasive? Would be useful for all cutting board makers here!

@billj5645 3 года назад

This is an awesome test! Last year I bought a pack of Cubitron sheets and immediately noticed how good it was. Not only did it last a long time without getting dull, it also resisted clogging when sanding primed wood. I will be buying more of it.

@jamesbruce3105 2 года назад

What about quality of finish and scratch pattern? Grams removed is al well and good but this test is worthless without considering quality of the finish.

@kluno1966 3 года назад

I never thought I’d find a sandpaper test so interesting. Thanks J Katz!

@jamesmoreno4155 3 года назад

It would be interesting to get a temp reading of the discs after each 5 minute interval to see if het really does build up more on the film backed paper

@richs5422 3 года назад

Good idea, but it must be done at the same time interval after sanding. The robot should be programmed to present the disc to an IR camera, and the camera should be triggered by the robot controller. That way, roughly the same amount of cooling would happen to each disc. The pictures would have more data than just one temperature reading, as they would show hot spots (if any existed). Comparing pictures taken after each 5 minute run might also show how hot spots build up (or that they don't).

@hunnyhh 3 года назад

@@richs5422 High temperature is the major cause for short abrasive life. In wood it causes natural oils and resins to plastify and clog the abrasive. 3M XTRACT discs sharply cut and are designed to immediately extract the dust from the process so it cannot rub on the sanding interface which generates heat. No heat = no loading/clogging = long life+high level of sustained cut and finish according to the selected grade.

@JaredRandal 3 года назад

Just went to Taylor Tools to restock my sandpaper supply with this! Can’t wait to use it. Great video!!

@rockinkcreations127 3 года назад

Jonathan, Thanks for taking the time and sharing the details of this comprehensive test. Very MUCH APPRECIATED!!!

@kurtanderson1701 2 года назад

@13:59 i spit my coffee .... 'its how festool keeps the cost of their tools down' !!!

@dusbus2384 2 года назад

I have a few hobbies that I love in life. Fishing, hunting, woodworking, gunsmithing, and nerding out about the previously mentioned. This video takes nerding out to a whole new level. What an awesome comparison. I wish every comparison video on youtube brought this level of detail and data. You're telling me you have data driven proof that I can not only do my sanding faster but also longer and cheaper with the new 3M product? I'm so sold. Awesome awesome video.

@mr.renovator4859 2 года назад

Excellent content and methodology! Thanks from Sweden 🇸🇪

@davidpalmer5166 3 года назад

You know good and well that some clown is going to find fault with something. Thank you for all the effort you are putting into your channel. Always look forward to your videos.

@mhphotography08 3 года назад

I got the 3M 710w today, and WOW, what a difference from the red gator I had been using, thank you for doing the test and video!

@brucemartin5510 2 года назад

Awesome! Thank you, Jonathan!

@marbleman52 3 года назад

This was very interesting and revealing. I am retired and enjoy wood working as my hobby. I have been using Mirka Abranet for a number of years and am totally sold on mesh. I like being able to take an air hose to the discs and blow off most of the dust which extends the usable life of the disc. The traditional solid discs get loaded up with the dust and cannot be cleaned adequately to keep using them. But...I will definitely look at the 3M Cubitron Xtract Ceramic and order a few to try. And it looks cool, too..!!

@eatdrinkwineguy 3 года назад

Thanks for taking the time. Looks like getting the mesh here in Aus yet. Will be keeping an eye out!

@richardgoebel226 3 года назад

Definitely the best test of sandpaper with orbital sanders. Now comes the testing of which orbital sanders are the best using the same robot and the best sandpaper. Granted it will be difficult and more time consuming to fit the robot arm to hold each every sander.

@thedistractedmaker 3 года назад

I've been waiting for manufacturers to jump on the mesh train- let's go!

@oxcart19 3 года назад

Wow, this is great information. The charts are also excellent for helping us visualize the differences between product performance. Thank you, Jonathan! I'll be switching sandpapers :)

@weekendinteriors8971 3 года назад

JKM just single handedly disrupted the sanding disk market. I can only assume that this video is the primary reason why Xtract can't be found anywhere right now. Well done good sir, I'll be making the switch as soon as it becomes available again.

@tphicks44 3 года назад

The Xtract product just launched officially in August. Inventories will continue to build and increase. Thanks for trying the product

@hellokane Год назад

First of all, thank you for taking the time to get us all these numbers! It's handy to have some sort of quantitative measurement (grams removed over period of time is excellent); however, I've realized it's worth considering the intention of use for the sandpapers. I've just tested a small subset of discs on a number of wood panels that I'm preparing for finishing -- Mirka's Abranet (+ their Ace version), the original Festool Granit, and this new 3M cubitron product, which is significantly cheaper than the other two. To its credit, the 3M does remove more, and last longer. It's an excellent product if you want to remove wood (e.g. shaping). From the details provided by 3M for this product, they've spent a lot of time developing a grain that cuts into the substrate. However, to finish and smooth out wood in particular, I'm leaning toward the Mirka product. My tests are highly subjective, simply because I don't have the means to measure beyond touch. The Mirka product leaves the surface significantly less 'hairy' than the 3M. I'm guessing the 3M grains cut deeper scores into the wood, whereas the Mirka product cuts across the surface of the wood. For discs of the same grit, 3M cubitron is noticeably more 'grabby' when finishing. This would be consistent with 3M's descriptions, and bear out in the data you've provided regarding wood removed. For a workflow, specifically in regard to finishing, perhaps it'd be a good option to use 3M to do the rough smoothing, then finishing up past certain grits (120?) with Mirka or similar.

@BrianD3468 3 года назад

Thank you so much for doing this video on sand paper. It was so helpful to see the results of these brands.

@woodpeckercraftsandbuilds Год назад

Great job!!!! My main goal is to crank more out in less time and this seems to be the way to do it in styleee!!! Thanks for taking the time to put this video together.

@laszlofabian 2 года назад

Amazing! Thanks for the effort, even as a hobby maker i will be looking for the cubitron, tired of swapping the cheap papers.

@JasonWilliamsPlus 3 года назад

I love all of your videos, but content like this is what sets you above all the rest. Please keep up the amazing work.

@davidcurtis2593 3 года назад

I’ve been making my discs last in anticipation of this video. Now I’ve put my order in for the Xtracts. I predict a shortage of those coming soon. Thanks for this awesome test and report, Jonathan.

@JoryBrighamDesign 3 года назад

Incredibly well done and helpful! Thank you!

@katzmosestools 3 года назад

Thanks Jory! I'm in Goleta if you're ever heading down this way and want to come by the shop or grab a coffee. Big fan of your work.

@JoryBrighamDesign 3 года назад

@@katzmosestools what!?! You’re in Goleta? No kidding. I might take you up in that. Same here, ever passing through Paso hit me up!

@katzmosestools 3 года назад

Awesome! Sounds like a plan my friend!

@keithbrock6410 3 года назад

Thanks man, I’m not gonna say which one I’ve been using but it got destroyed lol. I love the honesty and I’m going to try the 3m! Thanks for your hard work and integrity!

@mindyhall4638 3 года назад

Really appreciate that you do these tests! Huge respect for providing this kind of info to the woodworking community!

@thelwood 3 года назад

So well done!!

@barrettready1713 3 года назад

Amazing test and love all the double checking and clear expectations. Love seeing other youtubers in the same field showing you the love goes to show the respect they have for you.

@dougmanter8002 3 года назад

Thanks, Jonathan! I always thought Granat and Klingspor were the be all and end all. Can't wait to try the ceramic xtract.

@bradleytuckwell4854 3 года назад

I only just stumbled on this channel but absolutely loving it your knowledge is unbelievable

@adamvarga2242 2 года назад

Great vid. Just one thing, "Festool tries to keep their prices down"?.... right.

@Andre_the_Lion 2 года назад

I love that you guys are doing this kind of work. I hope you can encourage others to repeat this and/or do similar experimentation. I don't think you could get much better data, but you can always have more! I do doubt whether heat is making much difference here; the main way in which heat is the "enemy of sharpness" has to do with how metals react to heat, and it generally has much less to do with carbide/oxide/ceramics. Not to mention that 'sharpness' itself is of limited relevance to abrasive cutting - probably almost all of these differences deal with clogging and adhesion of the abrasive to the substrate. I'm sure the fancy cubic grain and other sharpness related things still have an effect, but it doesn't matter if your paper is clogged!

@sean9462 2 года назад

Thank you for doing this.

@strangelyrepulsive77 2 года назад

now we need to see how much of the disc comes loose and how good the finish is

@daveweber1331 3 года назад

Kudos for persevering past the negativity from the last one you did and bringing us this. Thanks! Now, what about quality of finish; :-)? Can you solve for that?

@thisbetterman 3 года назад

awesome. just saw your shop tour video where you were talking about doing this, and, voila! here it is! thank you for all this. to help us all understand where we are throwing our money away as makers.

@ColumbiaSCRealEstate Год назад

Thanks so much for doing this!

@evankooiman1988 3 года назад

This is awesome info. I switched to the 3M cubitron after your last video and have loved it. Gonna have to look up the 3M mesh next time I’m buying.

@Habibulla.M 3 года назад

Very nice effort...Thanks for throwing some light in this area

@ruizdwaiianrican10 9 месяцев назад

Great review of all of these sandpapers. If you look at current prices now, the Diablo sandnet is much cheaper at around $0.50 per sheet if you buy the 50+10 pack. That actually makes it $0.008 per gram removed (0.5/64) . This would mean that the more readily available sandnet would be number 2 and for some people the better buy since they can go to Home Depot and get it rather immediately.

@thomasalison6188 3 года назад

Awesome test, the information is very valuable to anyone who has a business. Thanks so much for putting this together!

@braydeno 2 года назад

Awesome video and great testing. 3M makes great paper. But the cubiton is the only disk tested NOT on the fepa (p grade) abrasive. The scratch depth is much deeper and courser vs a fepa graded disk.

@Big_Z17 2 года назад

There are other reason for not being on the P scale. Mineral composition is one of them. But as far as what grit is on the paper it has been proven that the Cubitron II is nearly 100% the same grit, which is insane. Most companies are an 80/20 or even a 60/20/20 split. The reason it cuts so much better is largely due to the mineral.

@robhtp3817 8 месяцев назад

WOW What an awesome info vid. Much appreciated!!! Do you have a video for removing paint off metal or rust? I hope 🤞🏼 so?

@ReadySetBuildIt 3 года назад

Wow! what an eye opener. Thank you for doing the work for us.

@tomallen7462 3 года назад

I have been using the 3m Cubitron sanding disk sence your first review. I think they are great. Only problem is that the hook backing fails bedore the sanding disk. Have others had this issue?

@DanoKozy 3 года назад

This video is awesome! I love finding a better way to do things cheaper and faster. I have been using 3M Cubitron since the last showdown. I just ordered the mesh! Can’t wait. Thanks!

@rsilvers129 2 года назад

Gator is not a Walmart store brand. They are sold at Home Depot and Amazon. Their sanding sponge really did last about 30x longer than the Harbor Freight ones.

@tdkrei 3 года назад

Hey, thanks for this great data, I have been using Diablo for over a year now only by guessing it was good. Turns out, not bad. Keep on smiling.

@simoncapizzi9689 3 года назад

Not all heroes wear capes. Thank you for you service.

@LBCAndrew 4 месяца назад

I don't quite understand how i can get such dramatically different results. I typically use Mirka Autonet but recently bought a box of 3m Xtract and the 3m discs didn't hold up even remotely as good as the Mirka. The 3m had great cut at the start but really fell off afterward. The Mirka held its initial great cut for far longer allowing me to get much more sanding done. The Mirka holds up so well i can put it on my dual action car polisher and wet sand metal and even glass to get a scratch out of it like i did recently.

@Kirril84 3 года назад

"absolute garbage, do not buy this" lol. Point taken! Love me some wood and some data, I've been watching your videos for a couple of years and this is absolutely one of my favourites - love your work!

@jamestaulbee4791 3 года назад

Nice video, very helpful. Thanks

@thepewplace1370 2 года назад

I got the 3M cubitron mesh as a sampler with a recent order from your shop or Taylor Tools, cant remember, but anyway, it blew me away with its performance but its finish quality is insane too: the 320+ makes a surface that feels more like a 600 grit. I'm a convert from my faithful Diablo

@theupscriber65 Год назад

You can't do a comparison with set Z axis points on your robot and variable board thickness. Even a few thousandths of an inch variation changes the load. You need a force sensor on your end of arm tooling.

@jeffallgeyer9090 Год назад

Awesome video!

@chrishayes6057 3 года назад

This was fantastic and I ordered new paper! I would love to see a similar test for sand paper available for drum sanding. I'm no professional, but the paper I get for my drum sander is crap!

@juswoodshop 3 года назад

Thanks for this, it really was an eye opener

@WesternCommie 27 дней назад

Thank you for your work. I have been trying to find a great sanding disc without breaking my wallet.

@mariushegli 3 года назад

I have nothing to say really, but I appreciate your content, and wish to help with the yt-algorithms.

@stanmashek3085 3 года назад

great video thank you

@nikrulz44 2 года назад

This is a dream test for a floor sander like myself; A lot of us in Australia actually use zirconia papers for our orbitals, along with oxide and ceramic Although I far prefer ceramic over zirconia alot of sanding guides from machine manufacturers recommend rough/intermediate with ceramic then fine sand with zirconia (Which confuses me as I find zirconia way too aggressive) Would be great to see this test with some of those in a test though - One I believe you could get your hands on are the SIA ones Norton red heat Norton Blaze Both cost a fortune, both are meant to deliver great results. But since finding Cubi II a year ago I have not looked back Just wish they made sanding belts for my big bertha!

@BusyDadsWorkshop 3 года назад

That was an awesome test! Thanks!

@Whatintheworldisthegreatest 3 года назад

Nice vid mate, now extract is sold out on Amazon ha!

@katzmosestools 3 года назад

Buy through the link in the pinned comment or description. Plenty of stock

@jimknowles5483 3 года назад

You are the best!!

@CorBear8D 3 года назад

Great video! Great experiment! It'd be interesting to reorder the existing results with a cost-to-use metric, which incorporates both the sandpaper cost and the manpower cost. For manpower cost, estimate wages of a person who has to remove N grams of material, where N is the average amount of the material that someone would need to remove in an average project. I think that cost-to-use metric might push down the Klingspor - Dewalt section and bring up some of the more expensive but higher quality disks. You can probably do all of that with the existing data you have. Next, another video idea, how long should you use a disk before replacing it? Based on the friability measurements and the cost-to-use, each paper type probably has an ideal replacement window. This probably varies with different grits, so maybe take some of the top ones and come up with ideal replacement rates based to maximize cost-to-use for that brand/grit. I think it's a good thing that your experiments bring up so many ideas for further research. That's the mark of an actually interesting experiment!

@wdtaut5650 3 года назад

Cost per gram removed relates to product purchase price. Grams removed per disc relates to shop time/labor cost. That can be a more important factor than cost per gram removed. In this test, 3M Xtract is tops in both categories. That's darned impressive!

@XCF33t 3 года назад

Amazing job, once again!

@alwayslearning8365 3 года назад

Great comparison article. Thank you.

@georgeyoung2684 2 года назад

I would be interested in seeing some data on the DuraGRIT carbide sanding disks, I’ve heard some very impressive things about them. I imagine that the cost per grams removed would be pretty bad using the same 5 x 5 minute test used here, but over its whole lifetime it could be something.

@jacobowens 3 года назад

Great job! Just ordered a couple Xtract packs from your link. I like to support the smaller companies like Serious Grit and Maverick whenever possible. It’d be cool to have a follow up like this ranking the smaller groups in this space. Thanks!

@zekefrye706 3 года назад

Hey man, Thanks!

@JethPrime 3 года назад

This was awesome, thank you!

@NirvanaWoodWorksbyJanie 3 года назад

I bought the 3M Cubitron last year when you did the very 1st comparison as it was a solid test. Never buying them again. I went through the grits on a project I was doing: 80, 120, 150, 180 & 220, EACH disc wound up flying off the sander after about 10min of sanding on each disc. They no longer stick but I know they're still "good". I switched back to Diablos ceramic h&l. Idk if I got a "defective" pack but they were a super disappointment. They started off really strong but now I just have them in a drawer out of sight but if I need to sand by hand, I know they're there.

@MrSharper802 2 года назад

Thanks for this great video. I guess my only comment is cost/gram removed is not a measure of time saved. It's a value comparison. Since your time intervals were a constant it really becomes total grams removed as the true indicator of potential time saved in your shop sanding. As I have probably purchased enough Festool discs to last a decade of hobbyist work, I was happy to see Festool did ok in total grams removed. If I run out of a certain grit I will definitely try the cubitorn mesh next.

@vernsteinbrecker3759 2 года назад

Very informative

@talderson1 2 года назад

I found this amazingly helpful! Thanks for doing this. If we could only get those machines to do the sanding for us :)

@douglasbrown3493 2 года назад

Question What are your thoughts on 3mm vs 5mm sanding sanding strokes in orbiral sanders? Thanks

@trulslarsen9820 2 года назад

Just looking a the pictures: the winner has (much) less than half the amount of sand particles, compared to the the others, considering the amount of open area. So glue plays has a huge importance here! Going for the the 3m winner, not doubt! An endurance test would probably be very interesting!

@protonmike 2 года назад

All very interesting but as usual for US markets only. I can't find anywhere in Australia that sells the Number one Xtract. It isn't even listed on what purports to be the 3M Australia web site. The cost per gram removed with the Xtract disc blows out the window when adding in the outrageous freight costs US Carriers charge. Ok if cost is no object but it usually is for the average woodworker.