Phenyl Silicone Rubber (PVMQ)
Phenyl silicone rubber with performance down to -120℃ and high transparency for optical goods; hardness and phenyl content can be customized.
Applications
- Optical goods
- Gasket
- Tube
- O-ring
- Sheet
- Low-temperature parts
Typical Properties by Grade4 grades
| Grade | Appearance | Specific gravity | PlasticityWilliams | HardnessShore A | Tensile strengthkgf/cm² | Elongation% | Tear strengthkgf/cm | Compression set%, 180℃×22h | Curing agentPHR | CurePress ℃/min · Post ℃/hr |
|---|---|---|---|---|---|---|---|---|---|---|
| PS 30U | High transparency | 1.08 | 140 | 30 | 90 | 700 | 27 | 37 | SC-8B · 1.0 | 170/10 · 200/4 |
| PS 50U | High transparency | 1.14 | 200 | 50 | 100 | 550 | 33 | 35 | SC-8B · 1.0 | 170/10 · 200/4 |
| PS 70U | High transparency | 1.17 | 260 | 70 | 100 | 350 | 30 | 33 | SC-8B · 1.0 | 170/10 · 200/4 |
| PS 80U | High transparency | 1.19 | 280 | 80 | 90 | 250 | 28 | 35 | SC-8B · 1.0 | 170/10 · 200/4 |
← Swipe the table sideways →
Values are typical measurements based on KS M6518, not specifications, and may vary with curing agent and cure conditions.
Heat & Oil Resistance and Other Properties
| Grade | Linear shrinkage% |
|---|---|
| PS 30U | 3.8 |
| PS 50U | 3.4 |
| PS 70U | 2.7 |
| PS 80U | 2.5 |
← Swipe the table sideways →