Gemini Blue 1/4" Silicone Mold Rubber, 5 lbs.

Quantity (PAK) Price
1 - 3 $49.88
4 - 11 $47.25
12 and above $44.63

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Order Summary
Quantity (Packs) 0.00
Total Price $0.00

SAFETY DATA SHEETS: View the SDS(s) for the information you need to use this item.


This economical Gemini™ Blue silicone mold rubber is a very firm rubber with moderately high tear strength. It is ideal for large flat pieces such as belt buckles, conchos and any item that requires a firm mold material.

Gemini™ mold rubber meets every jewelry design need with the highest performance in every area and low shrinkage rates. All of the qualities you expect—easy packing, easy cutting, smooth molds, perfect pattern reproduction, durability, good memory, manageable shrinkage, serviceability and good shelf life—are delivered in Gemini silicone mold rubber. Convenient sheets optimize standard mold sizes and cut smoothly and quickly to deliver the highest quality results—every time.

  • Brand : Gemini
  • Material : Silicone
  • Dimensions : 9"L x 8-1/4"W x 1/4"H
  • Cure temperature : 350°F (177°C)
  • Cure time : 15 mins. (per 1/4" thickness)
  • Shrinkage : 1.6%
  • Vulcanization temperature : 350°F (177°C)
  • Durometer : 55
  • Form : Sheet
  • Country of origin : United States

Please Note: • Important! Never use silicone rubber in a mold frame that has been used for organic rubber.
• If combining Gemini Blue and Gemini Gold mold rubber, follow the vulcanization instructions for Gemini Gold.

Catalog page: 2020-2021 Tools and Equipment Catalog p. 628