Castaldo® Gold Label 3.17mm Natural Mold Rubber Roll, 2.27 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 5-lb. roll.

• Dimensions: 1143.0 x 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: 5 lbs.
• Brand: Castaldo
• Shipping Weight: 6.271 lbs (2.845kg)
• Country Of Origin: United Kingdom
• Weight: 2.844 kg