This RJL-900 series of products are platinum catalyzed two-component liquid silicone rubber suitable for injection molding process, with a mixture ratio of 1:1.
Typical Physical Properties
Typical properties of the uncured rubber: | |||||||
Property | method | Value | Value | Value | |||
Appearance
| A-part | Transparent | Transparent | Transparent | |||
B-part | Transparent | Transparent | Transparent | ||||
Viscosity (20°C) | DIN 53018 | A-part | 30000-36000 mPa•s | 30000-36000 mPa•s | 50000-55000 mPa•s | ||
B-part | 30000-36000 mPa•s | 30000-36000 mPa•s | 50000-55000 mPa•s | ||||
The pot-life of the mixture of the two components (closed vessel) at 20 ºC is five days. Increased temperatures reduce the pot-life. Typical properties of the Vulcanisate: Mixing ratio of components A : B = 1 : 1. Vulcanisation: 10 min. at 150 ºC | |||||||
Shore A hardness | DIN 53 505 | 5±2 | 10±2 | 20±2 | |||
Density | 1.10 g/cm3 | 1.10 g/cm3 | 1.10 g/cm3 | ||||
Tensile strength | DIN 53 504 52 | ≥2.1 MPa | ≥3.0 MPa | ≥6.0 MPa | |||
Elongation at break | DIN 53 504 52 | ≥1000% | ≥1000% | ≥9500% | |||
Tear strength | ASTM D 624 die B | ≥4.5 N/mm | ≥4.5 N/mm | ≥8.0 N/mm | |||
Typical properties are only for reference.