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
KYG0544
Castaldo White Label Natural Jewelry Molding Rubber Roll
Castaldo · White Label
Natural rubber molding sheets for jewelry, offering strong, firm molds with low shrinkage and high tear resistance.
Waxing & Mould Making
Specifications
| Material Type | Natural rubber with cloth backing |
|---|---|
| Shore a Hardness | 42 ±2 |
| Vulcanization Temperature | 307°F (152°C) |
| Rubber Shrinkage | 2.3% |
| Break Elongation | 688% |
| Break Tensile Strength | 2,215 psi (15.3 N/mm²) |
| Break Tear Strength | 137 lb/in. (24 N/mm²) |
| Standard Packing | 50 lb / 22.7 kg boxes; 5 lb / 2.27 kg rolls |
| Backing Material | Polished cloth backing (removable after vulcanization) |
Overview
Highlights
- Strong, firm molds with reliable detail capture.
- Low shrinkage (2.3%) for minimal casting distortion.
- Flexible application with multiple thickness options.
Applications
- Ideal for creating durable molds for jewelry casting.
- Suited for both detailed and heavy jewelry models.
- Used by jewelry shops and casting professionals for high-volume mold making.
Overview
Castaldo White Label Natural Jewelry Molding Rubber Roll is a professional-grade, natural rubber material designed for making strong and firm molds in jewelry manufacturing. It provides consistent results with a Shore A hardness of 42 ±2, excellent break elongation and tensile strength, and low shrinkage that minimizes distortion in finished pieces.
Vulcanizing optimally at 307°F (152°C), Castaldo White Label produces durable molds that capture detail reliably. It is available in multiple thickness options to accommodate diverse mold frame sizes, and its cloth backing makes handling and mold marking easy. This rubber is suitable for both detailed and heavy models, supporting a broad range of applications for jewelry shops and casting professionals.
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