ZEMSIL SB-LSR
≡ Dow Corning Silastic 9252/70Liquid Silicone Rubber (Addition Cure)
Also equivalent to: Wacker Elastosil LR 3003
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Response within 24 hours
20–60
Shore A
Hardness
≥8
MPa
Tensile Strength
≥400
%
Elongation at Break
-60 to +200
°C
Service Temperature
Specifications
| Property | Value | Unit |
|---|---|---|
| Hardness | 20–60 (grade-dependent) | Shore A |
| Tensile Strength | ≥8 | MPa |
| Elongation at Break | ≥400 | % |
| Tear Strength | ≥20 | kN/m |
| Compression Set (22h/175°C) | ≤10 | % |
| Mix Viscosity (A+B) | 50–200 | Pa·s |
| Service Temperature Range | -60 to +200 | °C |
Applications
Injection-molded baby bottle nipples and infant care productsMedical-grade tubing and catheter componentsAutomotive seals, diaphragms, and connector bootsInjection-molded LED lenses and light guides
Key Features
- —Fast injection molding cycle under 30 seconds at standard cure temperature
- —Translucent to opaque grades available with custom colorant packages
- —Biocompatible grades available conforming to ISO 10993 and USP Class VI
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