Elastomers/TPEs
High-Temperature Sealant Silicone Rubber — High-Temperature Sealant Grade Vinyl Methyl Silicone Rubber (VMQ)
This VMQ grade is designed for use in extreme temperature environments where maintaining a seal is critical. It offers good compression set resistance and adhesion.
VMQSilicone
Manufacturers
3
Grades
3
Applications
5
Equivalents
0
Physical Properties
- Density
- 1.14 - 1.20 g/cm³
- Water Absorption (24h)
- 0.2 - 0.4 %
- Transparency
- Opaque
- Shrinkage
- 1.5 - 2.5 %
Mechanical Properties
- Young's Modulus
- 0.001 - 0.008 GPa
- Tensile Strength
- 4 - 8 MPa
- Elongation at Break
- 300 - 600 %
- Impact Strength (Izod)
- N/A
Thermal Properties
- Glass Transition Temperature
- -70 to -50 °C
- Melting Point
- N/A
- Continuous Service Temperature
- -50 to 250 °C
- Heat Deflection Temperature
- N/A
Electrical Properties
- Dielectric Constant
- 2.9 - 3.1
- Volume Resistivity
- 10^13 - 10^15 Ohm-cm
- Dielectric Strength
- 18 - 28 kV/mm
Chemical Resistance
- Acids
- Poor
- Bases
- Poor
- Solvents
- Poor resistance to hydrocarbon solvents
- UV Resistance
- Excellent
Sustainability
- Recyclability
- Very Limited
- Recycling Code
- N/A
- Carbon Footprint
- High
Manufacturing compatibility
Condensation PolymerizationCompoundingMoldingExtrusion
Applications
High-temperature seals
Gaskets
O-rings
Industrial oven seals
Engine gaskets
Available grades
VMQ HT-SealVMQ XHT-SealVMQ 250C