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How To Make a 2 Piece Silicone Rubber Mold | Mold Making Tutorial

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This mold making tutorial video shows how to make a two piece silicone block mold using Mold Star 15. The finished mold can be used for casting resin, wax, foam, and many other materials.
The original model is a plastic sphere. The 2-part mold should be split along the horizontal axis.
Learn other mold making techniques:
* Brush-on mold - • Mold Making Tutorial: ...
* 1-piece block mold - • Mold Making Tutorial: ...
* Cavity pour mold - • Mold Making Tutorial: ...
* 2-piece core mold - • Mold Making Tutorial: ...
Mold Star® silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Molds made with Mold Star® will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star® rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys. Note: Mold Star® rubbers are not intended for brush-on moldmaking.
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Опубликовано:

1 авг 2024

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Комментарии : 659

@smoothon 9 лет назад

Mold Making Tutorial: How To Make a 2 Piece Silicone Rubber Mold - RU-vid buff.ly/1xILtMf #smoothon #moldmaking

@voxel9470 7 лет назад

Do not remove the model from the mold.

@ademengin7631 5 лет назад

@@voxel9470 I agree with you.

@bharathk7251 4 года назад

@@ademengin76310009

@JanineMKartist 4 года назад

Smooth-On How much silicone was used in this? What was the box volume? I want to cast a glass sphere about that size possibly using mold star 15 or16.

@leahannwhite1111 6 месяцев назад

Thank you! 👍💓💓

@christopherpattison7877 6 лет назад

Instead of using a box, use Lego which makes it easier to get the first level, then build it further up to the desired height for Stage 1 of the silicone casting.

@Engineerboy100 8 лет назад

Very well done! This video has helped me tremendously for making a two part mold. Thank you so much for doing this.

@smoothon 10 лет назад

Mold Making Tutorial: How To Make a 2 Piece Silicone Rubber Mold - RU-vid

@hi45692 11 лет назад

best, clear, to the point art class ever.

@smoothon 12 лет назад

@Anonpeace Any time the mold is in separate pieces or is cut, there will be a seam line. The techniques used to make the mold will determine the amount of clean up the final piece will need.

@Sweetamber222 9 лет назад

The illustration in the beginning was great.

@charlottejcorry 13 лет назад

After researching a number of different options in silicone mold supplies and urethane casting resins, you guys win. Internet commentaries only have good things to say about your products. Very helpful videos too.

@smoothon 12 лет назад

I am glad this worked out for you!

@smoothon 13 лет назад

@mokunakoi You can use Ease Release 200 in many applications, including casting resin into a silicone mold. For more info on Ease Release 200 - search for "ease release 200" on our site.

@niken5531 4 года назад

Thankyou for the tutorial!! :). If you done with the casting for both sides, how do you glue them together?

@smoothon 13 лет назад

@legoclockfreak710 If you go to the Smooth-On website, click the Distributors link near the top right of page to locate a local distributor. You can also order trial sizes directly from the website if you live in the US.

@pinkyhotmessx69 5 лет назад

Excellent no fluff video straight to the point and so informative. Love it!

@smoothon 5 лет назад

Thank you for watching!

@diisopropylamine 13 лет назад

this is one of the best silicone molding vids i've seen up here...nice work

@ViciousKurai 11 лет назад

Thanks for a great dummy proof video :D My first time making molds and I found your video to be the most helpful!

@robjtko 3 года назад

Great video!! Doesn’t get more simple than you made it in the vid.. thanks for sharing

@smoothon 13 лет назад

@kevinruiz11 The useful temperature for Mold Star is 450°F, so for metal casting only low-melt like tin or some tin alloys.

@nightninja879 10 лет назад

never made a mold before but that idea with the nuts to make the connections is ingenius this makes me want to mold something now :D

@ruthtrefethen4171 2 года назад

THANK YOU! I have put off making molds because couldnt get the split concept and how it work.....it's finally dawn for me.....😊♥️💛🧡💚💙💜💗

@smoothon 12 лет назад

@Horis573 Check out our channel for a lifecasting playlist that you might find useful.

@smoothon 11 лет назад

Use the 'Contact Us' link on our our website to contact us directly.

@smoothon 13 лет назад

@nuebKitsune There are many different ways to make this type of mold, our how-to PDF outlines several different techniques. smooth-on(dot)com/howto(dot)php

@hahahabitch666 13 лет назад

This has been a great help, thank you.

@smoothon 11 лет назад

Yes, this is essentially the same process as demonstrated in this video. If you need more detailed support with this project, feel free to contact our tech support line at 800-762-0744.

@smoothon 13 лет назад

@thetwinkleturnip Adding more water will produce thinner Alja-Safe.

@KiKiJahDore 11 лет назад

I always wondered how to do this. Thank you!

@smoothon 13 лет назад

@videogames451 You can also use melamine board - available from most home improvement stores in the shelving section. - Jason - Smooth-On Inc.

@smoothon 11 лет назад

Mold Star 15 is compatible with a wide range of casting materials. You might want to check with the resin manufacture to see if there is any known issue with platinum silicone or do a small surface compatibility test. Depending on how lightweight you want the piece to be, you could consider our Smooth-Cast 325 (it's what we use in the follow-up video to this one).

@bluesunessences 8 лет назад

great video, thanks so much

@smoothon 13 лет назад

@pbandjay05 There will always be a defect where the spout is, perhaps this could occur on the corner of one of the facets? If you contact use directly on our technical assistance form, it may be easier to describe the piece in detail.

@nikidocious6433 4 года назад

Im a ceramicist and I had seen a demo for this and resin casting at a local supply shop. Glad to see you on youtube.. Seen the Reynolds (neighboring states) catalog photo of a cast boat. That definately piqued my interest along with other cool project ideas cant wait to start working with Mold Star. I'm currently sculpting a collection of figurines. Great detail that the silicone cast captures on the orb. Have a great day cheers to the future. 🙂

@smoothon 4 года назад

Awesome! Thank you!

@treebel123 3 года назад

wow, that was incredible tutorial video. thank you

@denisebethany5691 3 года назад

Easiest 2 part mold ive watched. Great video.

@smoothon 3 года назад

Glad it helped

@smoothon 12 лет назад

@BurpAtTheMoon Yes, Mold Star 15 can be used for very small models or plastic miniatures.

@smoothon 11 лет назад

In general making a two-piece mold like this the seal will be fairly tight but there may be some flashing to trim. I would recommend looking at the follow-up video to this one where we actually cast into the mold. For this mold, the seam comes out quite cleanly.

@UsDiYoNa 4 года назад

Smooth-On what silicone was used in this video? Im looking to get the same grade

@chrissilliker8633 3 года назад

I did this but got air bubbles using rebound 25. Do you have any suggestion for me ?

@smoothon 12 лет назад

@7oMmY18 You can, as long as a suitable release, such as our Ease Release 200 is used to separate the new silicone from the cured.

@smoothon 13 лет назад

@bondophobic It is always best to run a small test to make sure the material is compatible. Damage to a painted surface may be an issue dependent on the type of paint, age of paint, etc. Our Ease Release 200 is a suitable release for silicone moldmaking in most cases. Jason - Smooth-On, Inc.

@LiberatorYourself 11 лет назад

Very Helpful, I just bought a Starter Kit from you guys!

@Jeffdraws19 2 года назад

This is the best step by step i found 👍

@smoothon 12 лет назад

@righteoushero You can use any non-porous material. Melamine board from a home improvement/hardware store works well.

@smoothon 12 лет назад

@ecwman44 This will depend on your particular application. I would recommend calling us to discuss the details of your project so that we can help make a recommendation. Our toll-free number is 800-762-0744.

@KenjiRyuma90 5 лет назад

I'm attempting to make Power Coins for my 1993 Morpher - this video helped a lot - I just need to downscale the project for the small coin. 😃

@cargapesada2012 10 лет назад

perfeito trabalho.

@muslimmujahid112 10 лет назад

Genious, thanks a lot

@subratas2163 2 года назад

Thanks for outstanding knowledge

@rociok9169 2 года назад

Wow 😮 This is very helpful! Thank you!

@smoothon 2 года назад

Thank you for watching! Don't forget to subscribe!

@smoothon 13 лет назад

@blckjade05 We have a few materials which may suit your needs. In the essence of getting a quick response, I recommend you submit a support ticket on our customer service page.

@sandraleishman878 5 лет назад

That is awesome! Thank you for sharing.

@smoothon 5 лет назад

+Sandra Leishman thank you for watching!

@smoothon 12 лет назад

Make sure the clay is non-sulphur - and if dry, is sealed with Superseal. You can cast silicone into silicone as long as it is the same type of silicone and Ease Release 200 is used.

@csldc 2 года назад

Amazing tutorial. Thank you!!!

@smoothon 2 года назад

Thank you for watching! Don't forget to subscribe!

@smoothon 13 лет назад

@thetwinkleturnip You could try using our Alja-Safe alginate as a pourable 'place holder'.

@cacevedo07 5 лет назад

Awesome! Thanks!

@leoisforevercool 2 года назад

Exactly what I needed thanks

@smoothon 13 лет назад

@blckjade05 Our Sorta-Clear series is our line of semi-transparent silicons. You can obtain Ease Release 200 through our distributors listed on our website. As we do not manufacture 66B, I cannot make a recommendation for a release.

@verovieira1 10 лет назад

Sensational, nice video !

@kawaiicoded4292 2 года назад

Thank you! You just solved another problem for me! I am trying to work smarter not harder!

@smoothon 2 года назад

Thanks for watching! 😃

@smoothon 12 лет назад

@ForeverBabies11 You can cast our Dragon Skin silicone into this type of mold if a proper release agent is used (Ease Release 200)

@smoothon 13 лет назад

@copburner This material can withstand about 400F. The material will not melt at higher temperatures, but will be damaged.

@smoothon 11 лет назад

Use Sculptex or Chavant NSP - both good Non Sulfur modeling clays.

@PANDANIKEFOOTBALL 5 лет назад

Hello could you tell me please, on how many castings from plastic lack silicone forms from mold star 16 fast?

@sarahdermody6665 3 года назад

That is perfect! Thanks for sharing

@smoothon 3 года назад

Thank you for watching! Don't forget to subscribe!

@smoothon 11 лет назад

You will need to have pins or similar supports attached to the core which keep it centered in the mold.

@smoothon 11 лет назад

We used a sulfur free clay called Sculptex available from Reynolds Advanced Materials. No de-airing is necessary with Mold Star 15.

@aubreyaub 10 лет назад

Thanks mate.

@maggiem4734 5 лет назад

Very nice demo! Ty 💕👍🏼

@smoothon 5 лет назад

Thank you for watching!

@smoothon 12 лет назад

@Ruthles12 our distributors page has connections all over the world. Visit smooth-on . com for more info

@keropoklekor007 8 лет назад

hi what are the pouring material is it PolyUrethane ? what about the mechanical properties of Eurethane compared to ABS , need help ! god bless thanks !

@madhumaneeabeywardena6558 3 года назад

Thank you. Very nicely explained

@smoothon 3 года назад

Thank you for watching! Don't forget to subscribe!

9 лет назад

Great tutorial. Thank you

@smoothon 12 лет назад

This is non sulphur clay - Chavant NSP you can purchase from Reynolds Advanced Materials, our distributor in 6 locations. reynoldsam . com

@hoiilord13 9 лет назад

Good!

@smoothon 13 лет назад

@allyaster This is non sulphur clay - Chavant NSP

@smoothon 9 лет назад

Fleur Lewis Thanks for contacting us. In order to more efficiently handle your request, please contact our Tech Support department at 1-800-381-1733 or submit a ticket at www.smooth-on.com/support/index.php?a=add

@Daienara 11 лет назад

Thank you ^-^

@smoothon 12 лет назад

You could use this for wax casting. The temperature resistance is around 450F.

@TheSeasonman1 13 лет назад

Grat video .Thank you very much

@CoolCatFacts 12 лет назад

P.S. Your videos are amazing.

@smoothon 13 лет назад

@lepuppeteer This is non sulphur clay - Chavant NSP

@smoothon 11 лет назад

Our Smooth-Cast 65D is popular for your application.

@smoothon 10 лет назад

Applying Ease Release 200 when pouring the first half is optional.

@restufajar4290 4 года назад

Thank information

@Dragzombi 5 лет назад

I have a question about the Mold Star 15 slow, do I need to use a presure chamber to avoid air bubbles?

@smoothon 11 лет назад

You could do that as well, but the clay would have a hard tome clinging to the surface of the orb to create a seal. Smooth Cast 300 may be suitable for your application, but our 65D has a bit more impact resistance.

@dgartstarashhomedecorillus9579 2 года назад

Your work is really beautiful, I'm just waiting for the video.

@smoothon 2 года назад

Thanks for watching! 😃

@BurpAtTheMoon 12 лет назад

@SmoothOnInc Thank you.

@smoothon 11 лет назад

There are many ways to go about this, and many forums outlining the techniques. I would recommend visiting one of the mermaid tail forums for further help.

@mickeyromeo 3 года назад

@JessamaTutorials 6 лет назад

Hi Smooth-On. I hope it's okay to ask a few questions here. I've been looking at your Mold Star 30 and was wondering if you can use the mold (once cured) with polymer clay? It says you can't before the silicone's cured, but didn't say anything regarding the mold after curing. Thanks in advance.

@smoothon 6 лет назад

Once cured, the mold is fine for use with polymer clay.

@smoothon 11 лет назад

Reynolds Advanced Materials is our full-line distributor in Orlando.

@daneo0505 7 лет назад

is there anyway i can save the extra mix? while part A and B are already mixed

@servancastillo986 6 лет назад

would love a mold making tutorial on two part molds for four legged objects like a horse. love your videos clear presentation and your product

@smoothon 6 лет назад

Great idea! Thanks for watching, and don't forget to subscribe!

@servancastillo986 6 лет назад

thanks! i thought I was subbed on this ojne, but it's on my other account! subbed here too!

@smoothon 11 лет назад

Just about anything can be used to make the mold box. We used a clear acrylic for this demonstration for visibility. But the walls could be made out of non-sulfur clay, melamine board, sealed wood, etc. You could ask your local Smooth-On distributor if they have any specific material they recommend or sell for containing walls.

@FlowerChyld43 Год назад

You read my mind! I was just about to ask!

@CoolCatFacts 13 лет назад

Hello! I purchased these products to make a two-part mold. I wanted to find out whether an object that needs to be seamless (like a perfect square), would come out seamless if cast from this type of mold. Thank you for any advice. Your videos are helpful.

@jeffcallahan5047 6 лет назад

Would I be able to use the same process if I wanted to make a mold of sunglasses (since it is a rather skinny object)? If not, what process would work? Also, would the mold work for casting in wax (i.e., if I pour hot wax into the mold will it remain stable as a mold and allow the wax to turn solid)? Thank you.

@lauragreene2001 Год назад

Thank you so much!!!!

@smoothon 3 месяца назад

No problem!

@birdpirch85 9 лет назад

Does that smooth on work with liquid plastic 65D?

@Onyxx98 6 лет назад

Awesome

@cmarkme 4 года назад

I Like to Paint my Source model with the silicone, right before pouring.. I believe it really helps with bubbles, especially in horizontal overhangs.. Brilliant Video xx :-)

@smoothon 4 года назад

Thanks for sharing!

@yasoo20 9 лет назад

This vidio was very helpfull.would you please gide me how can I bay the material in the gulf area or in KSA?

@vampromjunkie 10 лет назад

what should I use as a support if my positive is made from clay?

@braveheart5686 6 лет назад

@ 4:10 how do u demold did u just pull it back or make a cut? And then pull back to separate, how did u not cut the lil tabs? Is the same process the same for oomoo25?