Castaldo White Label Jewelry Molding Rubber is a firm, high-quality vulcanizing rubber with a high concentration of pure natural gum rubber. Firmer than Castaldo Gold Label, White Label delivers the resilience and pliability that experienced mold-makers rely on to produce consistent, high-quality molds efficiently. Available in two convenient forms — Strips or Ready-Cut (Pre-Cut) — both sold in 5 lb. boxes.
Features
- High concentration of pure natural gum rubber for superior resilience and pliability
- Firmer formulation than Castaldo Gold Label — ideal for experienced mold-makers
- Available as long Strips or Ready-Cut pieces to fit popular industry mold frames
- Ready-Cut pieces feature rounded edges for easy layering and placement
- Rubber thickness is 1/8" throughout both formats
- Sold in 5 lb. boxes
Specifications
| Rubber Thickness |
1/8" |
| Vulcanizing Temperature |
310°F |
| Vulcanizing Time |
15 minutes per 1/4" of mold frame thickness |
| Sold By |
5 lb. box |
Available Options
| Part # |
Format |
Dimensions |
| 122.583 |
Strips |
2-7/8" wide × 18" long × 1/8" thick |
| 122.585 |
Ready-Cut (Pre-Cut) |
1-7/8" × 2-7/8" × 1/8" thick, rounded edges |
