Fireproof Expanding Graphite

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Check out my sponsor Brilliant and use this link for 20% off a premium subscription: brilliant.org/nighthawk - In this video we make intercalated graphite, useful for making graphite foil, graphene, intumescent fire barriers, superconductors, etc.. In addition to this I compare multiple methods of intumescent fire protection to find out if expandable graphite preforms as well as carbon foam.
As a result of my tests in this video: For indoor intumescent fireproofing I recommend using commercially made paints containing ammonium or melamine polyphosphate and pentaerythritol. I have not compared brand names to identify the very best fireproof paint, but several that I believe will provide very good protection are as follows:
- Contego Reactive Fire Barrier
- Firetect WT-102
- Fireguard E84
- Flameoff Fire Barrier Paint
Robert Murray Smith's intercalated graphite playlist: • Graphene Intercalated ...
Thank you to everyone that supports this channel on Patreon! A special thanks to my top patrons: Teague Lasser, Eugene Pakhomov, Evan Hughes, Edward Unthank, and those who have chosen to remain anonymous. Thank you!
/ nighthawkprojects

Опубликовано:

10 фев 2023

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Комментарии : 940

@Nighthawkinlight Год назад

In case you missed my video about Starlite which is referenced several times, here's a link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-0IbWampaEcM.html Thanks for watching!

@jaysengstacken2118 Год назад

PLEASE continue on the negative energy paint.

@Nighthawkinlight Год назад

@@jaysengstacken2118 Fear not ;)

@lothre Год назад

Fantastic video. Informative, AND entertaining for sure! Thank you

@stevenwilliams9359 Год назад

"Smaller graphite particles have a higher surface area-to-volume ratio, which increases the rate of sulfate ion adsorption on the surface. However, the increased surface area also means that there are more lattice defects on the surface, which can act as barriers to the diffusion of sulfate ions into the interior of the particles. As a result, intercalation of smaller graphite particles typically requires a higher temperature and a longer reaction time in order to overcome these barriers and achieve a complete intercalation. In contrast, larger graphite particles have a lower surface area-to-volume ratio, which decreases the rate of sulfate ion adsorption on the surface. However, the lower surface area also means that there are fewer lattice defects on the surface, which can act as barriers to the diffusion of sulfate ions. As a result, intercalation of larger graphite particles can typically be achieved at a lower temperature and a shorter reaction time." - ChatGPT

@Nighthawkinlight Год назад

@@stevenwilliams9359 Hmm... Maybe. Seems like this could be a prime example of ChatGPT's overconfidence in its answers

@jp-um2fr Год назад

I worked for the British Ministry of Defence. I did some crude tests on 'fire retardent foam', the sort that is used in furniture. I was VERY disapointed. Believe it or not wool as in felt was by far the best. So, a challenge for you - find a better fire retardent soft covering / filling better than wool.

@Nighthawkinlight Год назад

Great idea. Wool is really hard to beat.

@PT0B Год назад

Wool soaked in Borax!

@ChillyJack Год назад

They sell carbon felt for soft pliable heat shielding behind welding and soldering. It's really effective and super soft to the touch. Can also be used as a wick for burning thicker oils like used cooking oil.

@pinaz993 Год назад

If you want to go the water-containing chemical route, you might try saturating the wool or felt in a solution of water and Epsom salt, aka Magnesium Sulfate Heptahydrate, then letting the product dry. Each molecule of the salt has 7 water molecules attached, which would make it take quite a bit of energy to heat it up. Epsom salt does decay at high temperatures, but it does so by letting go of water molecules one by one, which might even displace oxygen at the site of the fire. Add in layers of intumescent material, and you might have something that is effectively fireproof. Or, you might not. I'm not a chemist, just someone who's watched a lot of Nile Red.

@loveblowsbad Год назад

"Dig my credentials, am I retarded or a lier?" Some idiot online... Both, ether, not important. Welcome to the internet.

@lettersnstuff Год назад

I work in construction, doing telecom, and I’ve used the red putty in the video a good amount. it’s worth mentioning, that the putty has a really different application than the fireproofing paint. we use putty to stop up the sleeves we use if we need to run cable through a wall, or inside an electrical box, for other applications like sealing, they use a caulk that cures hard. the putty, at least to my understanding, only needs to stop smoke getting between rooms, or, say the insulation of your cables catches fire, to stop it using the data network to spread fire throughout the whole building, I’d be interested to see how the putty reacts when heat is applied to it while it’s inside a confined space, pack some into the end of a 1” pipe or something. I dunno if the results would be different, but they might be.

@Nighthawkinlight Год назад

Thanks for sharing your experience!

@necroimages Год назад

Are you talking about Chico?

@ThinkingandTinkering Год назад

hiya mate - thank you for the mention in the video - that was a real kindness and well appreciated - all the best - Rob

@musef7883 Год назад

Nice video as always. I also was happy seeing a Robert Murray-Smith shout out. He definetly deserves more attention

@angelusmendez5084 Год назад

Robert Murray-Smith's channel is plain awesome 👏

@wbedard Год назад

This is an great example of the depth of information and excellent presentation that led me to support you on Patreon. I look forward to every video you make. Keep up the great work!

@gutsngorrrr Год назад

Great video as ever. I did think this sort of expanding fire putty stuff was put around pipes and electrical systems, allowing them to move, but in the event of a fire, the material expanded filling any gaps and therefore stopping the spread of the fire from room to room.

@Nighthawkinlight Год назад

Yes I have an intumescent collar for a 4" pipe I might test in a short video. That is one purpose that is pretty interesting and useful

@RealWunderBanana Год назад

Honestly, I know I've said it a couple times, but you are my favorite RU-vid channel. You find the coolest things that I have never even heard of or even thought about and make it into a super straight forward, awesome video.

@millanferende6723 11 месяцев назад

You might enjoy "Tech Ingridients" as well then. 🙂 But yes, I really like this channels presentation style and clever, relatively simple ideas!

@basher92 Год назад

The simplicity of your videos is what schools globally are missing these days............ keep it up hawk! Love the content! Much love from Malaysia!

@eduardopupucon Год назад

i wish there was an item that blocked skull basher, bkb nothing can stop it

@101Jgold Год назад

I work with the IBEW and often use various fire proofing products. The important thing to remember about commercial fire proofing is that they all have a time rating. So perhaps the puddy with graphite flakes are good for 1 hour while the carbon foam paint is good for a longer exposure time.

@trentallen3817 Год назад

Hey! Nice another local brother 😂

@jalipedia6776 5 дней назад

I run a firestop installation business in Indonesia, watching this video provides new insight which is very important for my business, I am very grateful and appreciative to the creator of this video

@cvoisineaddis Год назад

I just want to say I love this channel. It's not always about something I'm interested in but I can tell it's always something Ben was curious about or interested in and wanted to make a video.

@dfunited1 Год назад

You've never led me astray with channel suggestions! Robert Murray Smith already had my subscription, but I'm sure many others will enjoy his content.

@3nertia Год назад

You never disappoint! I was just looking into graphite as electrodes in electrolysis the other day and then you kindly show me how to make my own :D

@ChefForelle Год назад

Awesome Video! Graphite is a really interesting material. I first learned about its intercallation property a couple of years ago when i was experimenting with dual-carbon intercallation cells as an alternative to traditional battery cells

@leiamconway5484 Год назад

I am a fire alarm technician. The NEC requires fire putty on any sleeve passing through a firewall. Bearing that in mind it is applied from both sides of the entry and exit point. The small flakes in the fire putty are meant to expand and drive the putty further in towards the center of the wall and also outwards towards the center of the room. Thus it compresses and seals the point from fire being able to penetrate from one side of the wall to the other.

@RandallStephens397 Год назад

I have a hypothesis about why the finer-grain graphite was more difficult to react: While the stoichiometry is the same (1g coarse graphite, 1g fine graphite), and while reaction rate is typically proportional to surface area, of which the fine-grain has more, in this case, it's the completion of the reaction that we're looking for, and with more surface area to react, it just takes longer (for the same concentration of acid and nitrate). I think of you used more acid and nitrate in proportion to the increased surface area, the reaction would proceed at a rate more similar to the coarse graphite. Would love to see this tested.

@barcodenosebleed5485 Год назад

Kinda along the lines I was thinking. Once you pop open a layer on the coarse grain, it's open. A lot more total layer popping needs to happen with smaller particles.

@colinrobert5492 Год назад

Nicely done! A great video to introduce to intercalated graphite. If you want to go a bit further, you can actually produce high quality graphene via the modified Hummer's method, which is just a few steps further. You would need some h2o2 in your water and hydrazine as accelerator, but then make sure that the quantity is small, you have a ice chunks surrounding your Erlenmeyer flask and and extra cover (fume hood is possible). Cleaning and recovering the graphene is the most tedious step, using a roto evaporator and centrifuge at least 4-5 times. Thanks again for the video, it does bring me back 10-12 years, when I was working on nano sensors during my PhD.

@deathedell215 Год назад

the h2o2 would have to be pure otherwise the hydrazine gets mad

@colinrobert5492 Год назад

@@deathedell215 I think you are right, now you mention it. I can't remember if we had any water at all. Mind it was a long time ago. I wouldn't recommend chancing it if you're unsure of what you're doing :)

@polloprestigioso Год назад

Man I just love this man so much, so interested in what he's saying, he might do this as a job, but he loves making this videos, I'm 98% sure of it. its been like 8 years watching you, and never got bored. Keep on making these man

@mariexichen1136 Год назад

Fascinating! I recently started exploring graphite use in refractory and foundry applications. Not sure how expanding graphite applies, but the information, especially graphite foil, is fascinating.

@markwritt8541 Год назад

An interesting video. Nothing wrong with your own paint test not being equal to commercial compounds. Chad move shouting out Robert. As he would point out, discovering an idea doesn't work out isn't really a failure, but gaining knowledge.

@mementomori7160 Год назад

I think the smaller mesh takes longer because of the reaction first taking place on the edge of the flakes. For the same amount of flakes, yes it'll be faster for the smaller ones, but for the same amount of mass, there will be a lot more small flakes and a lot more molecules that are the working edge

@cbuckle5994 Год назад

The smaller mesh taking longer may have something to do with surface tension. It may also have something to do with a reduction in the capillary effect. Just a thought.

@chstoney Год назад

Or smaller flakes have more edge. 4 circles with a diameter of 1 have the same area (and with the same thickness, mass) as one circle with diameter 2, but the four smaller circles have edges with an overall length of 4pi, whereas the bigger circle has an edge with a length of 2pi. And since this reaction happens on the edge of the flakes, more edge means more reaction.

@mementomori7160 Год назад

@@chstoney Oh, just wrote the same, I think this is the reason, for the same amount of flakes it'd be faster for the smaller ones, but for the same amount of mass there is a big difference in their numbers

@user-cp6nn3my1p Год назад

The reaction happened faster in the larger flakes though?

@JamesChurchill Год назад

Yeah, if it was just "more edge speeds up the reaction" it would have been obvious and not commented on. The actual result which is reversed implies that the reaction which opens the edge is a lot slower than the intercalation itself, which completes rapidly even if it has to cover a large surface area.

@absalomdraconis Год назад

Supposing that the opening _is_ the restraining factor, then the reduced number of atoms on the edge may also be a factor: if the intercalation is sufficiently faster, then it would imply that the opening of the edge is dominated by random chance as much as anything else, with the result that "rolling more dice" is the most effective way to speed things up.

@NandR Год назад

So I wonder what your graphite concoction would do in higher concentrations in a paint or as the foil. Just curious. Great video as always can never get enough.

@paulmccoy2908 Год назад

Ben that’s fantastic. You have a very accessible educational approach and presentation style and I’m sure that’s why your channel is so successful. Please keep it up. Now do carbon nanotubes.

@l0I0I0I0 Год назад

Yes!!! Nanotubes!!!!!! Yea!

@StirlingLighthouse Год назад

You never cease to amaze. Outstanding research and topics. Thank you 🙏 ❤

@yura2424 Год назад

This is very interesting and informative. No unnecessary words, everything is on point!

@miklov Год назад

Excellent video as always! There seem to be lots of interesting further experiments to do with the various practical applications of the expanded graphite, though at the moment I am drawing a blank. But I'll look forward to the next video no matter what the topic may be, keep up the good work!

@pulmonary_yoghurt Год назад

Thank you for yet another truly great video. It brings a smile to my face to see high quality content being successful on RU-vid. I hope you are doing well. Thank you.

@WheezardX Год назад

When I see a NHL video drop, it is time for RU-vid. Not many channels that I drop what I'm doing to watch. Keep on being excellent!

@gizelle-s Год назад

I'm always excited when one of your videos come out! Keep up the amazing work!

@Abeuss Год назад

I’ve been fire caulking/blocking all week. I remember the starlite video. I think we have all tested the fire caulking upon introduction. Surprisingly some fire blocking products will catch for just a second before going out.

@JamesChurchill Год назад

"Self extinguishing" is commonly used in fireproof materials. They contain chemicals which block combustion, but are locked either mechanically or chemically inside the material until the initial flame releases them. That way the material retains it's flame retardant properties for a long time at normal temperatures even if ordinarily they'd slowly diffuse away.

@maxhammick948 Год назад

I wonder if the putty is more designed to rely on the expansion of internal particles? Those might cause the putty to swell a little, allowing it to seal any small gaps that might remain from installation. Mixing in particles will always result in some on the surface (just like a chocolate chip cookie), and these may not add much, but you'd get some particles contained within the putty applying force to it.

@nicknolte5700 Год назад

damn, that was pretty interesting to pounder.

@sarchlalaith8836 11 месяцев назад

Beautiful to see my three go to science guys mention each other {you, RMS, Tech Ingredients, sorry explosions and fire, Chemiolis and thiosol, love you too}

@tracybowling1156 Год назад

I ALWAYS learn something from your videos. They are ALWAYS so interesting! You are a brilliant man. And you make learning easy. You def have a wonderful way of teaching us and helping us understand the things you're interested in! I'm ALWAYS excited to see another video from you!! Happy Valentine's Day!

@glenngriffon8032 Год назад

People laughed at me when I said I had a favorite element. People who understand elements thought I was kind of boring because my favorite element is Carbon. It's been wonderful being vindicated by people seeing just how amazing and versatile this atom is. Makes life, protects your home from fire, makes your written records, strong, powerful, flexible. Good ol Six. Is there anything it cannot do?

@oasisnova Год назад

your one of my favorite youtubers, incredibly underrated, been watching for years, everytime you upload i am inspired by your attention to detail, absolutly timeless.

@Splarkszter Год назад

Another awesome piece of high quality content clearly made with love and passion. Thank you so much!!!

@killpidone Год назад

Have you tried dumping high voltage to flakes after expansion to make graphene like you did with the coffee grounds?

@Nighthawkinlight Год назад

For the flash graphene process it doesn't really matter what state the carbon is in beforehand because the intense heat nearly vaporizes it. Using this flake probably would be no different from using coffee grounds or any other carbon source.

@killpidone Год назад

@@Nighthawkinlight ah didn't know if quality and impurity would be affected.

@randomname4726 Год назад

Very informative and interesting video. I am about to get back into my long lost rocketry hobby and have been thinking about trying a 3D Printed PEEK nozzle with a graphite insert or some sort of carbon based lining. It's a pity the gas flow would rip this stuff right off. I wonder if you could use it as internal heatproofing on the combustion chamber walls. I might try it just to see what happens to it under pressure.

@Nighthawkinlight Год назад

If you expand the graphite first you could compress it as a lining in the nozzle and it would conform to the walls in the same way it makes a foil

@randomname4726 Год назад

@@Nighthawkinlight Thanks, would I have to bond it to the walls in some way?

@Nighthawkinlight Год назад

@@randomname4726 I'm not sure, it depends how grippy your nozzle wall is and how hard the graphite is pressed. Probably a rammed clay nozzle would benefit from having some of the expanded graphite included also.

@randomname4726 Год назад

@NightHawkInLight I will have to experiment with it. I've made plenty of little rammed clay nozzles when younger, but now I'm into bigger motors with proper turned nozzles, etc. Last one I made was H class using a convergent/divergent nozzle made from fiberglass & metal reinforced body filler, which I cast into a cylinder and turned down on a wood lathe (no metal lathe unfortunately (yet!)). It worked brilliantly. Now, I want to make a working nozzle for an M class motor (only 32x more powerful, lol), but it will need to be stronger and also survive the exhaust for several seconds.

@absalomdraconis Год назад

@@randomname4726 : If you have a wood lathe, then you have a light-duty metal lathe. You should look up how to form sheet metal over a mold on a lathe, to see if it would be useful for your projects.

@dustinbodie5675 Год назад

this was a really cool episode! i enjoyed it and learned a lot. very interesting as are all the applications for it.

@grahamking9121 Год назад

Intriguing! Thank you for highlighting these facts. I much appreciate your calm, articulate delivery!

@sergoogle5061 Год назад

Big pre-grats on the 2m sub mark! You sure as hell deserved it. These videos are consistently top tier with some great subject matter throughout. Finding this channel was a blessing in disguise lol

@Alba_Longa Год назад

1:00 F-ck me, that's like zit popping video from hell.

@billbrown994 Год назад

Thank you sharing your high quality research delivered in such a modest manner.

@mattfleming86 Год назад

Crazy. I was checking your channel very recently to make sure I hadn't got unsubscribed or missed anything. Nice to see you back!

@justinoblanco Год назад

Your videos are always a complete joy. Thanks so much for making them🙂

@bcrawford6115 Год назад

The quality of your videography is top notch and the content is outstanding too. Keep up the good work.

@benjaminmemcic4434 Год назад

Oh finally. I missed you man. All of your videos are out of the box thinking and unique content and ideas. Keep up the good work man.

@keshhan6412 Год назад

Guys like NightHawk and TechIngredients are the true heroes of the RU-vid.

@sketchpalosotherchannel Год назад

How does he not have 10 million subs yet I love this channel 😭

@tmhchacham Год назад

I love the way you get interested and explain things. Thank you!

@simongibbs9392 Год назад

Robert Murray Smith is a bloody talented genius been watching that guy for years

@MrxEVILCRAZYx Год назад

I haven't seen a video from you since your "How to scramble an egg in its shell," video! Boy oh boy is it nice to be watching such a fun and well put-together video. Thank you for your content brother!

@2131560 Год назад

nice video. you always have very interesting and educational videos. you are in my top 5 RU-vid channels that I love to watch the most. thank you for all the hard work that goes into your videos

@jj74qformerlyjailbreak3 11 месяцев назад

Thanks for giving Robert Murray Smith Channel a shout out. He is the reason I started my journey into electronics and engineering. I love that man.

@Jannie303 Год назад

Amazing video as usual man. Thanks so much for taking the time

@glennkrieger Год назад

Very cool and interesting video! You got to love it when the experiment works perfectly.

@justinbanks2380 Год назад

New NighthawkinLight!!! Such a very cool project and deep dive into the topic!! My mind is already spinning with ideas and questions 😁🤯

@SuperMattmonkey Год назад

Just wanted to say thank you for the content and the excellent presentation of information that you help to pass on. I loved the one on starlight, all really good. Thank you 🙂

@idontknowmyfirstname69 Год назад

Oh my... Wow! Thank you for this video! This will be incredibly useful to me. Fr your content is seriously under rated here. You my good sir... Are the man!

@robbytheremin2443 Год назад

I've noticed that a trip down the rabbit hole uncovers things as interesting as the original subject, sometimes even more. 👍

@infertilepiggy5667 Год назад

Yes boy Rob got a mention, love both your channels been watching for too many years

@auselessdigit575 7 месяцев назад

Reminds me of magic snakes from the joke shop when I was a kid. Little black pellet, you set it alight and it expands into a long 'snake'.

@RichardCranium321 Год назад

Robert Murray Smith is amazing... i love his channel & childlike joy with experiments.

@felixman9691 Год назад

You have been so inspiring and you have shared some truly wonderful info and ideas with me. Thanks to all people like you and Robert Murray smith.

@DiyEcoProjects Год назад

Yeay ~ nighthawkinlight video. Have a great year ahead bro

@vallor8322 Год назад

I am big fan of Robert Murray-Smith. His heating and electric generation videos are enlightening and easy to grasp.

@derrick4804 Год назад

Keep up the great content! You're my favorite science creator on this site

@MDILeon Год назад

I love your videos! Please never stop educating us 🤗

@Jarquavious_the_third Год назад

Fantastic video, keep up the good work cant wait for the next one.

@PotholesInMyLawn Год назад

you have figured out how to get people to watch the ad read....the cute bird was brilliant ...liked and subscribed

@wowman142 Месяц назад

Amazing 🤩 Just remember: don’t treat acid burns on your hands with a base to “neutralize it”. Usually bases do more damage than acids, and usually you just get a combined acid burn and base burn in the end. Best practice is just regular old running water. It will dilute the acid/base and neutralize it.

@lashamartashvili Год назад

Thanks for a very informative and potentially useful video!

@2.7petabytes Год назад

You always make such excellent videos Ben! 👍 And I’ve followed Robert for a long time!

@ChronosCooper Год назад

An absolute must watch for science interested people. Thanks for the Knowledge

@MarkLawsonY3K Год назад

Murray-Smith is so much fun. He connects and so unique....like you. Sincere Thanks. Lawson

@endertrot9998 Месяц назад

6:50 “Do as you gotta, add acid to water” it’s an old quote, but one that continues to stick with me even though I’m not a chemist. For those unfamiliar, you always pour acid into water and never the other way around, because when pouring water into acid, your likely going to create a steam bubble and splash the stuff into your face, while the other way around is much safer.

@ddh3098 Год назад

Great share thanks for the information very useful and entertaining 😊

@jugnutree Год назад

Thank you so much sir giving useful information

@treadless_co Год назад

very neat! Thanks for sharing!

@uspockdad6429 Год назад

So glad to hear Robert Murray Smith called out here. Both of you guys are my go-to channels to get my science related fix.

@msmith2961 Год назад

Dude, your presentation skills are top notch! 🤙

@smcvaymcvay5770 Год назад

Amazing and entertaining. Thanks for your hard work.

@_mrcrypt 11 месяцев назад

That was really cool! You h e lots of great experiments and projects on this channel. Subscribed! 🐰🍷

@davidscott5903 Год назад

Awesome as usual!

@weekendstuff Год назад

Always impressed by your ideas and research. Thanks for sharing. Weekend Stuff

@dhirajgupta9802 Год назад

I logged in into youtube after months just to comment on your video. wour work is as always brilliant.

@sebastienlebatteux185 Год назад

I love ALL your videos. Super interesting!

@nickg5250 Год назад

outstanding video as always

@joshuajackson6442 Год назад

Thank you, I enjoyed this content!

@biggusb8281 Год назад

Another fantastic video, I really enjoyed it :)

@eclsnowman Год назад

Love the shout-out for Roberts channel. Great video as always.

@MartiniFernando Год назад

awesome video as always

@joemurray8902 Год назад

That is so cool! The expanding graphite then rolling it into a foil?!?!?! 🤯

@_spartan11796 Год назад

Fascinating video!

@bASICMiner Год назад

Thank you. You have made me smarter. Again. :) Very fascinating content, friend.

@Bo-kq8tn 9 месяцев назад

WOAH. I went on a deep dive a while back about cheap adhesive carbon-based skin stretch sensors for costume puppetry, it's really cool to learn how to make a cheap low quality version of graphene! The expanded graphite foil was especially interesting though, I would love to try and roll some onto some stretch bandages and measure the resistance when it's stretched! Thank you for the clear, concise, and interesting video :D