- High tensile strength and tear strength
- Excellent heat resistance;low shrinkage
- It is widely used for casting wax, gypsum, resins, concrete and other materials
CX-31-40 Addition Cured Mold Making Silicone Rubber
Description
CX-31-40 is a two-part platinum-catalyzed silicone rubber with mixing ratio of 1:1 by volume. It offers good fluidity, low shrinkage and high tear-strength. It is easily mixed and poured, cured at room temperature and high temperature. It is suitable for casting polyester, epoxy, wax and a wide range of other casting materials.
FEATURES
- Excellentfluidity
- Lowshrinkage
- Superb heatresistance
- High tensile strength and tear strength
- Eco-friendly
BENEFITS
- Easy to use: is easily mixed and poured.
- Low shrinkage: shrinkage is less than 0.1%, and give accurate reproduction of mold making masters.
- Excellent heat resistance : work in a wide range of service temperature from -55℃ to250℃.
- Adjustable cure times andpot life: The pot life and cure times can be adjusted by plat-cat cure accelerator.
| PARAMETER | UNIT | VALUE | |||
| Appearance | Clear to slightly hazy liquid | ||||
| Viscosity | cP |
A:14,000±1,000 B：3,500±300 |
|||
| Specific gravity | g/cm³ | 1.15 | |||
| Mixing ratio | % | A:B=1:1 | |||
| Shrinkage | % | ＜0.1 | |||
| Hardness(Shore A) | 40 | ||||
| Port Life(25°C） | mins | 40 | |||
| Cure Time(25℃） | hours | 2-3 | |||
| Tensile Strength | Kgf/cm² | 80 | |||
| Tear Strength | Kgf/cm² | 18 | |||
| Elongation | % | 400 | |||
| Mixed Viscosity | cP | 8,000-9,000 | |||
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