Elastomers/TPEs
Injection Molding Liquid Silicone Rubber — Liquid Silicone Rubber (LSR)
LSR offers excellent thermal stability, biocompatibility, and clarity. Its low viscosity allows for intricate mold filling and fast cycle times in injection molding.
LSR
Manufacturers
3
Grades
3
Applications
5
Equivalents
0
Physical Properties
- Density
- 1.12 - 1.18 g/cm³
- Water Absorption (24h)
- 0.1 - 0.3 %
- Transparency
- Translucent to Transparent
- Shrinkage
- 1.0 - 2.0 %
Mechanical Properties
- Young's Modulus
- 0.001 - 0.01 GPa
- Tensile Strength
- 5 - 12 MPa
- Elongation at Break
- 300 - 800 %
- Impact Strength (Izod)
- N/A
Thermal Properties
- Glass Transition Temperature
- -100 to -50 °C
- Melting Point
- N/A
- Continuous Service Temperature
- -60 to 200 °C
- Heat Deflection Temperature
- N/A
Electrical Properties
- Dielectric Constant
- 2.8 - 3.0
- Volume Resistivity
- 10^13 - 10^15 Ohm-cm
- Dielectric Strength
- 15 - 25 kV/mm
Chemical Resistance
- Acids
- Poor
- Bases
- Poor
- Solvents
- Poor resistance to hydrocarbon solvents; swells
- UV Resistance
- Excellent
Sustainability
- Recyclability
- Very Limited
- Recycling Code
- N/A
- Carbon Footprint
- High (energy intensive production)
Manufacturing compatibility
Platinum Cure Additive MixingInjection Molding
Applications
Medical devices
Baby products
Keypads
Seals
Gaskets
Available grades
LSR 30LSR 50LSR 70