Castaldo® White Label 1/8" Natural Mold Rubber Roll, 5 lbs.

Quantity (EA) Price
1 - 5 $48.50
6 - 11 $45.50
12 and above $42.50

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


This Castaldo® White Label® is a durable, slightly stiffer natural mold rubber; ideal for flat pieces and those that require a stiffer mold. The high concentration of pure rubber makes it pliable and durable, two characteristics that will elevate your mold-making process. All Castaldo® natural organic mold rubbers require a release agent.

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

Sold in a 5-lb. roll.

  • Brand : Castaldo
  • Material : Rubber
  • Dimensions : 45"L x 18"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 : Roll
  • 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 prematurely cure.

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