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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

Parameter comparison

Variant parameter comparison

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White Label WL

KYG1610-WHITE-LABEL-WL

Break Elongation688%
Break Tear Strength137 lb./in. 24 n/mm²
Break Tensile StrengthVery Strong 2,215 psi 15.3 n/mm²
Rubber Shrinkage2.3%
Shore a Hardness42 +/- 2
UsesStrong, Firm Molds
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Variant parameter comparison for Castaldo White/Gold Label Natural Jewelry Molding Rubber Strips & Ready-Cut.
Parameter comparisonName
Break Elongation688%706%
Break Tear Strength137 lb./in. 24 n/mm²134 lb./in. 23.4 n/mm²
Break Tensile StrengthVery Strong 2,215 psi 15.3 n/mm²Very Strong 2,475 psi 13.9 n/mm²
Rubber Shrinkage2.3%2.1%
Shore a Hardness42 +/- 237 +/- 2
UsesStrong, Firm MoldsStrong, Flexible Molds

Specifications

PackagingNatural Rubber Strips: 5 lb (2.27 kg) per box, 10 boxes/carton; Ready-Cut: 5 lb (2.27 kg) per box
Recommended Vulcanization Temperature307°F (152°C)
Recommended Vulcanization Time7.5 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.