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Waxing & Mould Making
Wax & Mold-Making Consumables
KYG1610
Castaldo White/Gold Label Natural Jewelry Molding Rubber Strips & Ready-Cut
Castaldo · White Label/Gold Label
Natural rubber strips and ready-cut sheets for jewelry molds, available in White/Gold Label for strong or flexible molds.
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Name: White Label WL
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Compare White Label WL and Gold Label GL.
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White Label WL
KYG1610-WHITE-LABEL-WL
| Break Elongation | 688% |
|---|---|
| Break Tear Strength | 137 lb./in. 24 n/mm² |
| Break Tensile Strength | Very Strong 2,215 psi 15.3 n/mm² |
| Rubber Shrinkage | 2.3% |
| Shore a Hardness | 42 +/- 2 |
| Uses | Strong, Firm Molds |
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Gold Label GL
KYG1610-GOLD-LABEL-GL
| Break Elongation | 706% |
|---|---|
| Break Tear Strength | 134 lb./in. 23.4 n/mm² |
| Break Tensile Strength | Very Strong 2,475 psi 13.9 n/mm² |
| Rubber Shrinkage | 2.1% |
| Shore a Hardness | 37 +/- 2 |
| Uses | Strong, Flexible Molds |
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White Label WL
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Gold Label GL
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| Parameter comparisonName | ||
|---|---|---|
| Break Elongation | 688% | 706% |
| Break Tear Strength | 137 lb./in. 24 n/mm² | 134 lb./in. 23.4 n/mm² |
| Break Tensile Strength | Very Strong 2,215 psi 15.3 n/mm² | Very Strong 2,475 psi 13.9 n/mm² |
| Rubber Shrinkage | 2.3% | 2.1% |
| Shore a Hardness | 42 +/- 2 | 37 +/- 2 |
| Uses | Strong, Firm Molds | Strong, Flexible Molds |
Specifications
| Packaging | Natural Rubber Strips: 5 lb (2.27 kg) per box, 10 boxes/carton; Ready-Cut: 5 lb (2.27 kg) per box |
|---|---|
| Recommended Vulcanization Temperature | 307°F (152°C) |
| Recommended Vulcanization Time | 7.5 minutes per 1/8 in (3.2 mm) mold thickness; minimum 30 minutes, maximum 75 minutes |
Overview
Highlights
- Dual packaging: strips and ready-cut sheets for flexible workflows.
- Low rubber shrinkage ensures accuracy in final mold results.
- Distinct White/Gold Label profiles: choose firmness for standard or flexibility for intricate shapes.
Applications
- Making master and production molds for jewelry casting.
- Capturing fine detail in intricate jewelry design molds.
- Jewelry workshops demanding consistent, low-shrinkage mold materials.
Overview
Castaldo White/Gold Label Natural Jewelry Molding Rubber Strips & Ready-Cut are engineered for professionals in the jewelry molding industry seeking reliable, high-performance molding materials. Available as strips or convenient pre-cut sheets, each type comes packed in 5 lb (2.27 kg) cartons, aligning with varying workflow requirements and production scales.
White Label is formulated for strong, firm molds thanks to a higher Shore A hardness, while Gold Label offers greater flexibility, making it suitable for molding intricate or delicate designs. Both variants feature low shrinkage, robust tensile and tear strength, and vulcanize optimally at 307°F (152°C), ensuring precision replication of fine jewelry patterns.
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