The YST Series is a premium, high-transparency platinum-cure silicone engineered specifically for the precision jewelry industry. Its optical-grade clarity allows for perfect visibility, making it effortless to position masters and perform precise split-mold cutting for intricate rings, pendants, and stones.
Why Choose YST for Jewelry?
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Extreme Precision: Ultra-low shrinkage ($le 0.1%$) ensures your wax injections or resin casts are dimensionally identical to the original.
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High Detail Capture: Low viscosity flows into the finest filigree and textures, capturing every micro-detail of your design.
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Tough & Flexible: With high tear strength and up to 800% elongation, it handles complex undercuts and repeated de-molding without distortion.
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Professional Finish: A 60-minute working time allows for thorough vacuum degassing, resulting in bubble-free, glass-clear molds every time.
| Property | YST-1310 | YST-1320 | YST-1330 | YST-1340 |
| Color | Transparent | Transparent | Transparent | Transparent |
| Mixing ratio | 10:1 | 10:1 | 10:1 | 10:1 |
| Hardness (Shore A) | 10A | 20A | 30A | 40A |
| Viscosity (mPa.s) | 38000 ± 5000 | 55000 ± 5000 | 80000 ± 5000 | 85000 ± 5000 |
| Density (g/cm³) | 1.05 | 1.05 | 1.05 | 1.05 |
| Working time (Min) | 60 | 60 | 60 | 60 |
| Curing time (Hrs) | 7-9 | 7-9 | 7-9 | 7-9 |
| Tensile strength (Mpa) | ≥ 2.5 | ≥ 3 | ≥ 4.9 | ≥ 5.5 |
| Tear strength (kN/m) | ≥ 7 | ≥ 9 | ≥ 12 | ≥ 20 |
| Elongation (%) | ≥ 800 | ≥ 720 | ≥ 640 | ≥ 350 |
| Linear shrinkage (%) | ≤ 0.1 | ≤ 0.1 | ≤ 0.1 | ≤ 0.1 |
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