About |
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Liquid Silicone Rubber materials for device and component fabrication in the healthcare industry. APPLICATIONS Dow Corning® QP1-2XX Liquid Silicone Rubbers (LSRs) are platinum-catalyzed, heat-cured materials designed for the fabrication of medical devices and device components and for short term applications. DESCRIPTION Dow Corning QP1-2XX LSRs are a series of two-part platinum-catalyzed silicone elastomers specifically designed for liquid injection molding. Each elastomer is supplied in a two-part kit (Part A and Part B), equal portions (by weight) of which must be thoroughly blended together prior to use. The elastomer is thermally cured via an addition-cure (platinum-catalyzed) reaction. When blended and cured as indicated, the resulting elastomer consists of cross-linked dimethyl and methyl-vinyl siloxane copolymers and reinforcing silica. The Dow Corning QP1-2XX LSRs are available in a range of nominal hardness from 30 to 70, Durometer-Shore A. The elastomers can be used without any post cure; although, if necessary, this may be employed to stabilize the final properties.Furthermore, the cured elastomers are heat stable up to 204°C (400°F), can be autoclaved, and exhibit high gas permeability compared with most thermoset elastomers and thermoplastics.&& |
Product Description | |
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Supplier | Dow Corning |
Generic | 硅酮 |
Material Status | Commercial: Active |
Features | Excellent Processability,Low Viscosity,Quick molding cycle,Permeability,Low to No Fogging,Food contact compliance,High pressure heat resistance,Fast Cure,Good coloring |
Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.12 | g/cm³ | ASTM D792 |
viscosity | |||
Part A | 189 | Pa·s | |
Part B | 168 | Pa·s |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | |||
Shaw’s A | 59 | ASTM D2240 |
elastic body | Nominal value | Unit | Test method |
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tensile strength | 9.70 | MPa | ASTM D412 |
100% strain | 3.00 | MPa | ASTM D412 |
Tensile strain | |||
fracture | 390 | % | ASTM D412 |
tear strength | 50.8 | kN/m | ASTM D624 |
Notes |
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