whats the difference between oomo 30 and moldstar ?

OOMOO 30 has a Shore hardness rating of 00-30, which is about as squishy as a gel shoe insert. Moldstar 30 is a hardness of Shore A-30, which is closer to pencil eraser hardness. It’s confusing, but there are 2 Shore hardness scales and a 30 on one is very different from a 30 on the other. In the description when it talks about hardness, pay attention to whether it says Shore A or Shore 00.

What color is this silicone? Can I use mica powders to color it

It is blue when mixed, and very opaque, so I doubt powders will be able to color it much if at all. If you're looking to label your molds, I've 3D printed mirrored text using a raft, and set it into the mixed material. It floats, and pulls away cleanly once the material is cured. If you want a platinum cure 2 part silicone around shore-A 30 you can color, I might suggest DragonSkin 30 or Platsil Gel-25.

Hi. i've made a wax mold of a small animal bone using this silicone method. i'm curious if i can use clay as well. i'm looking to make jewelry..

On Smooth On's website it states that this line of mold will not work with modeling clays that contain sulfur. Their website was very helpful and has lots of information: http://www.smooth-on.com/Silicone-Rubber-an/c2_1115_1341/index.html

No. Smooth On does however make a food safe silicone called Smooth -Sil 940

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Mold Star 30 Silicone Mold Making Rubber - Trial Unit by Smooth

Product ID: 725334922

Details

ブランド
Smooth-On
商品寸法 (長さx幅x高さ)
19.1 x 15.2 x
形状
Star
材質
シリコーン
色
ブルー

⏳45 min pot life

🔥Heat resistant to 450°F

⚖️1:1 mix ratio, no scale needed

18486 kr

Duties & taxes included

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Mold like a pro, cast like a boss!

PRO LEVEL FLEXIBILITY - Shore 30A softness balances strength and flexibility for flawless mold releases.
HIGH HEAT CASTING READY - Withstands up to 450°F, ideal for low-temp metal and resin casting projects.
VACUUM FREE VERSATILITY - Low viscosity formula means vacuum degassing is rarely needed—save time and gear.
EFFORTLESS PRECISION MIXING - Mix 1A:1B by volume—no scale, no hassle, just perfect every time.
LONG LASTING MOLD DURABILITY - Soft yet tear-resistant silicone with ultra-low shrinkage for molds that endure.

Mold Star 30 is a platinum-cured silicone rubber with a 1:1 volume mix ratio, 45-minute pot life, and 6-hour cure time. It offers Shore 30A softness, exceptional tear resistance, and minimal shrinkage. Heat resistant up to 450°F, it’s perfect for casting wax, plaster, resin, concrete, and low-temperature metals without the need for vacuum degassing.

Specifications

ASIN	B00ETAY8RI
Amazon 売れ筋ランキング	ホビー - 589,378位 ( ホビーの売れ筋ランキングを見る ) キャンディ・チョコレートメイキング用品 - 2,184位ホビー用工具 - 5,176位
UPC	751635227415
おすすめ度	4.6 5つ星のうち4.6 (700) var
カラー	ブルー
ケース形	Star
パッケージ内に含まれる商品の数	1
ブランド名	Smooth-On
メーカー名	Smooth-On, Inc.
メーカー型番	moldstar30
商品の重量	2.47 ポンド
商品本体サイズ	19.1 x 15.2 x 7.6 cm
型番	COMINHKR067156
素材	シリコーン

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18486 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered 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 Iceland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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