Castaldo · Econosil
Castaldo Econosil Silicone Jewelry Molding Rubber
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Waxing & Mould Making
Wax & Mold-Making Consumables
KYG1609
Castaldo VLT Very Low Temperature Silicone Jewelry Molding Rubber
Castaldo · VLT
Silicone rubber for jewelry molding, vulcanizes as low as 71°C, ideal for rapid prototyping and high detail.
Waxing & Mould Making
Specifications
| Shore a Hardness | 38–40 |
|---|---|
| Vulcanization Temperature Range | 71 – 88 °C (160 – 190°F) |
| Rubber Shrinkage | Very low, 0.1% |
| Break Elongation | 614% |
| Break Tensile Strength | 8.9 N/mm² |
| Break Tear Strength | 18.2 N/mm² |
| Form Factor | Strips 18” x 2 7/8” x approx. 3/8” (45.7 cm x 7.3 cm x approx. 6 mm) |
| Package Weight | 5 lb (2.27 kg) cartons |
| Storage Recommendations | Store in cold conditions, not below 0°C. Avoid storing excess stock during warm periods. |
| Special Use Notes | Cannot be burned to add sprues. May self-vulcanize in storage if not kept cool. |
Overview
Highlights
- Vulcanizes at extremely low temperatures (as low as 71°C), ideal for delicate models.
- Produces high-detail wax patterns with shiny, self-releasing surfaces, minimizing finishing work.
- Very low shrinkage (0.1%) ensures precise mold replication and dimensional stability.
Applications
- Direct mold making from CAD/CAM, resin, rapid prototype, or 3D printed models.
- Mold production for traditional hand-carved wax jewelry patterns.
- Small-batch or high-volume jewelry casting requiring high detail and dimensional accuracy.
Overview
Castaldo VLT Very Low Temperature Silicone Jewelry Molding Rubber is engineered for rapid and direct mold making from CAD/CAM and resin models, vulcanizing at temperatures as low as 71°C (160°F). This makes it ideal for delicate or temperature-sensitive patterns, enabling production molds to be created in as little as 30 minutes.
The compound produces exceptionally detailed wax injections with a shiny surface requiring minimal post-processing. Molds made from VLT rubber are easy to pack, cut, and handle, while its very low shrinkage (0.1%) ensures precise results. Designed for both modern rapid prototyping and traditional wax carving, it combines high tear resistance and long-term durability.
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