Castaldo® Gold Label® is a more pliable, natural mold rubber that has a high concentration of pure natural gum rubber, which makes it resilient and pliable; characteristics that will enhance your mold-making process. Castaldo® Gold Label® is ideal for difficult patterns that might break in a stiffer/hard mold. Castaldo® natural organic mold rubbers require a release agent. Castaldo Jewelry Natural Molding Rubber has been the industry standard for more than 40 years and continues to be the best jewelry molding rubber available for lost wax jewelry casting. Supplied in a convenient bulk 50 lb roll that is easy to handle and roll out. Also comes in a smaller 5 lb roll as well. Made in United Kingdom
Specifications:
Dimensions : 480"L x 18"W x 1/8"D
Roll Weight: 50 lbs / 22.7kg
Vulcanization Temperature: 307°F (153°C)
Rubber Shrinkage: 2.1%
Vulcanization Time: 15-30 Minutes (Depending on Mold Thickness)
