Castaldo® White Label 1/8" Natural Mold Rubber Redi-Cut Pre-Cut Forms, 5 lbs.

Quantity (PAK) Price
1 - 5 $47.00
6 - 11 $45.00
12 and above $41.00

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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 Castaldo® White Label® natural mold rubber is a durable, slightly stiffer natural mold rubber, ideal for flat pieces and those that require a stiffer mold. It comes in Redi-Cut pre-cut forms, making it easy to use. All Castaldo natural organic mold rubber products require a release agent. Castaldo natural mold rubber is made with a high concentration of pure natural rubber, making it pliable and durable.

Castaldo®—known throughout the jewelry industry for performance, dependability and value—manufactures mold rubber trusted the world over.

Sold in a 5-lb. pack.

  • Brand : Castaldo
  • Material : Rubber
  • Dimensions : 2-7/8"L x 1-7/8"W x 1/8"D
  • Spool or package quantity : 5 lbs.
  • Cure time : 15 mins. (per 1/4" thickness)
  • Shrinkage : 3-4%
  • Vulcanization temperature : 307°F (153°C)
  • Durometer : 42
  • Form : Redi-Cut/pre-cut
  • Country of origin : United States

Please Note: Organic, natural mold rubber has a shelf life of one year if stored in a cool, dark place. You can extend the shelf life to two years by refrigerating the rubber. Organic mold rubber material should not be exposed to sun or heat; such exposure will shorten its shelf life and will cause it to premateurely cure.

Catalog page: 2020-2021 Tools and Equipment Catalog p. 629