This RJL-3371 series of products are platinum catalyzed two-component liquid silicone rubber suitable for injection molding process, with a mixture ratio of 1:1. It has good adhesiveness to plastic parts, especially suitable for producing a high strength composite of silicone rubber and plastic materials.
Typical Physical Properties
Typical properties of the uncured rubber: | ||||
Property | method | Value | ||
Appearance | A-part | Transparent | ||
B-part | Transparent | |||
Viscosity (20°C) | DIN 53018 | A-part | 4100000mPa•s | |
B-part | 8000000mPa•s | |||
The pot-life of the mixture of the two components (closed vessel) at 20 ºC is 3 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 | 70±2 | ||
Density | 1.13±0.02g/cm3 | |||
Tensile strength | DIN 53 504 52 | ≧7.0 MPa | ||
Elongation at break | DIN 53 504 52 | ≧250 % | ||
Tear strength | ASTM D 624 die B | ≧25 N/mm | ||
90°peel strength | ＞1.5 KN/m | |||
Typical properties are only for reference.