Castaldo · Gelato
Castaldo Gelato Super High Strength Molding Rubber
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Waxing & Mould Making
Wax & Mold-Making Consumables
KYG1606
Castaldo Super High Strength Medium Hardness Silicone Jewelry Molding Rubber
Castaldo · Super High Strength
Medium hardness jewelry molding rubber with extreme tear and tensile strength for versatile mold making.
Waxing & Mould Making
Specifications
| Color | Tan |
|---|---|
| Lining | Special release paper on both sides |
| Dimensions (Per Strip) | 18” x 2 7/8” x approx. 3/8” (45.7 cm x 7.3 cm x approx. 6 mm) |
| Shore a Hardness | 38-40 |
| Vulcanization Temperature | 165 - 176°C |
| Rubber Shrinkage | Medium, 2.3% |
| Break Elongation | 667% |
| Break Tensile Strength | 8.3 n/mm² |
| Break Tear Strength | 21.2 n/mm² |
| Net Weight (Per Box) | 5 lbs. (2.27 kg) |
| Carton Packing | 10 boxes/carton, 50 lbs. (22.7 kg) total |
| Storage Life (Unvulcanized) | At least one year if properly stored |
| Recommended Uses | High Strength, General Purpose |
Overview
Highlights
- Extreme tear and tensile strength for durable molds
- Medium hardness suitable for intricate jewelry mold designs
- Versatile use with other Castaldo products for enhanced properties
Applications
- Complex jewelry mold making such as spirals, cores, and cut-outs
- General purpose molding in jewelry workshops
- Creating stable mold frames for high-detail castings
Overview
Castaldo Super High Strength Medium Hardness Silicone Jewelry Molding Rubber is engineered for demanding jewelry mold applications, offering a unique combination of medium hardness and exceptional tear and tensile strength. This tan-colored rubber is supplied with a special release lining on both sides, making it suitable for intricate designs, spirals, cores, cut-outs, and plugs, as well as for general-purpose mold making.
The compound can be paired with Econosil® for added stiffness or dimensional stability and combined with SuperStretch for specialized needs such as cores and spirals. Available in traditional strips, this rubber is versatile, easy to handle, and designed to deliver reliable results throughout the molding process. Complete instructions are provided in each box for optimal use.
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