I want to make a silicone cast of my arm using a plaster mold. Will this work?

Yes it will as long as you seal the plaster with an acrylic spray or even a release agent like Mann's Ease Release 200. Some folks use one part dish soap to two parts isopropyl alcohol to make a simple release agent for silicone casting into plaster molds. Apply sparingly and allow to dry before casting. If in doubt, test on a non critical part of your mold, like a seam line to ensure it will cure.

i whant to make batman mask..i buy this and the pigment black color and what else i need? do i need a sealent? or something else

First you need to make the sculpt of the mask. So get a mannequin head and some monster clay and make your sculpt. Then get some rebound 25 and brush on a mold then make a support mold then separate the two halves of the mold and coat with your silocone. De mold and put the front and back together and fuse with silicone. Trim that seam. There you go. There are many other ways to do this also. Check out the internet.

About stretch...i need silicon to build a character (for a stop-motion movie) and it need a certain flexibility (fingers moves) do you recommand this?

This material is also elastic. if you use it for stop-motion, you should put something inside to fix it, such as thin wire. Another character about this material is that no glue can stick them together. Last time I tried all kinds of glue, finally I have to do joints to connect them. FYI.

How stiff it is when dry? is this one the one numbered 30? Thanks!

I do not have this in front of me, so can't say if it is the one numbered 30. It is smooth and rubbery when dry. It can be torn apart, but that is not easily done.

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Smooth-On Dragon Skin 10 Medium - Platinum Cure Silicone - 2 Pint Kit

Product ID: 437779910

⏳5-hour demold time

🦾Shore 10A hardness

⚖️1:1 mix ratio

4833122₫

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Description

🐉 Mold the future with Dragon Skin’s legendary stretch and strength!

FAST TURNAROUND - Demold in just 5 hours to keep your projects moving
CRYSTAL CLEAR BASE - Water-white translucent silicone ready for custom pigments
UNMATCHED FLEXIBILITY - Stretch many times without tearing—resilient and durable
PERFECTLY BALANCED MIX - Equal parts A and B for foolproof blending every time
VERSATILE PRO GRADE USE - Ideal for molds, animatronics, prototyping, and orthopedic cushioning

Smooth-On Dragon Skin 10 Medium is a platinum-cure silicone rubber kit with a 1:1 mix ratio, Shore 10A hardness, and a quick 5-hour demold time. Its water-white translucency and exceptional elasticity make it perfect for high-performance molds, special effects, prototyping, and cushioning applications.

Specifications

ASIN	B00NH0RHBK
Best Sellers Rank	#498,551 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #857 in Sculpture Molding & Casting Products
Country of Origin	USA
Item Dimensions LxWxH	17.8 x 17.8 x 7.6 Centimeters
Item Weight	998 g
Item model number	Dragon Skin 10 Medium
Manufacturer	Smooth-On

Reviews

M**S

veryBest

Best

5.08.2026

M**K

Great product

I used this to make a full head mask, it set up nicely, as great flexibility and is very strong. Great price too even though it was shipped from the US.

14.09.2020

J**E

Great silicone!

I love Smooth On products! I used this particular silicone for a block mold and it worked out perfectly. The detail it picks up is incredible! It's worth the price, on quality alone. Here's a tip - if you're going to use this for pouring to make a mold, I'd highly recommend degassing it in a vacuum chamber first. Mixing it WILL incorporate quite a bit of air into the silicone.

2.06.2026

D**E

Great material, watch videos for tips

Worked great for the 3D printed mold I designed. Tough to get bubbles out without a vacuum chamber, but for my application, it still worked just fine. I used a percussion massage gun to vibrate out as many bubbles as I could. Directions were clear, and after watching a few videos for tips, I got a great product. The bottles have stretched further than I thought they would, and I still have plenty left for some other project, not sure what the shelf life is on the product.

26.08.2025

W**I

Pricey but good quality

11.10.2026

Z**H

Best silicone out there

Hard to beat dragon skin when it comes to silicone.

21.11.2025

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4833122₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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