Castaldo · White Label/Gold Label
Castaldo White/Gold Label Natural Jewelry Molding Rubber Strips & Ready-Cut
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Waxing & Mould Making
Wax & Mold-Making Consumables
KYG1612
Castaldo Gold Label Natural Jewelry Molding Rubber Roll
Castaldo · Gold Label
Flexible, strong natural jewelry molding rubber roll for intricate, precise molds; multiple thickness options available.
Waxing & Mould Making
Specifications
| Material | Natural rubber |
|---|---|
| Shore a Hardness | 37 ±2 |
| Vulcanization Temperature | 307°F (152 °C) |
| Rubber Shrinkage | 2.1% |
| Break Elongation | 706% |
| Break Tensile Strength | 2, 475 psi (13.9 N/mm²) |
| Break Tear Strength | 134 lb/in (23.4 N/mm²) |
| Package Options | 50 lb (22.7 kg) dispenser box, 5 lb (2.27 kg) tube |
| Backing | Polished cloth (removable after vulcanization) |
| Intended Use | Strong, flexible jewelry molds |
Overview
Highlights
- Exceptional tear and tensile strength for durable, reusable molds
- Low shrinkage guarantees precise casting results
- Flexible formulation allows easy cutting and intricate mold detailing
Applications
- Creating master and production molds for jewelry casting
- Replicating fine detail in rings, pendants, and small components
- Workshop or small batch manufacturing needing high molding accuracy
Overview
Castaldo Gold Label Natural Jewelry Molding Rubber Roll is designed for professional jewelry mold making, offering excellent flexibility and strength for reliable, reusable molds. Manufactured using high-quality rubber, it vulcanizes at 307°F (152°C), delivering a Shore A Hardness of 37 ±2 and a low shrinkage rate of 2.1%. This roll format provides convenient dispensing for both large-scale and smaller jewelry workshops, available in a variety of thicknesses to suit different mold frame sizes.
With a high break elongation of 706% and very strong tear resistance, Castaldo Gold Label rubber captures detailed designs with ease and produces flexible molds suitable for precise casting. The durable polished cloth backing aids packing, identification, and easy removal post-vulcanization. Strict temperature and timing controls ensure optimal rubber flow and mold quality for even the most intricate pieces.
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