Castaldo® Gold Label 3.17mm Natural Mold Rubber Roll, 22.68 kg.

This Castaldo® Gold Label® is a more pliable, natural rubber; perfect for difficult patterns that might break in 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 50-lb. roll.

• Dimensions: 457.2 x 3.175mm
• Material: Rubber
• Form: Roll
• Shrinkage: 3–4%
• Vulcanization Temperature: 307°F (153°C)
• Durometer: 37
• Cure Time: 15 mins. (per 1/4" thickness)
• Package Quantity: 50 lbs.
• Brand: Castaldo
• Shipping Weight: 52 lbs (23.587kg)
• Country Of Origin: United States
• Weight: 23.587 kg