Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow DOWSIL MS-1001 Moldable Silicone

Dow DOWSIL MS-1001 Moldable Silicone is a one-component, moisture-curing, platinum-catalyzed silicone elastomer offering exceptional flow control, low shrinkage, and high thermal stability. Ideal for precision molding of gaskets, seals, and prototypes, it cures rapidly at room temperature with excellent adhesion to metals, plastics, and glass—without releasing harmful byproducts.
  • dow dowsil ms 1001 moldable silicone_c3916176
  • dow dowsil ms 1001 moldable silicone_c3916176

Features Of Dow DOWSIL MS-1001 Moldable Silicone

  1. Room-temperature moldable silicone with no mixing or curing required — ready to use straight from the package.

  2. Excellent adhesion to a wide range of substrates including metals, plastics, glass, and ceramics without primers.

  3. Retains flexibility and elasticity over time, with outstanding resistance to thermal cycling (-55 °C to +200 °C).

  4. Low compression set and high resilience for long-term sealing and cushioning performance.

  5. Non-corrosive, halogen-free formulation compliant with RoHS and REACH requirements.

Typical Applications Of Dow DOWSIL MS-1001 Moldable Silicone

  1. Custom gasketing and sealing in automotive electronics and powertrain assemblies.

  2. Vibration-damping pads and shock-absorbing mounts for industrial sensors and control units.

  3. Conformal shielding and environmental protection for PCBs and LED modules in outdoor lighting fixtures.

  4. Thermal interface gap-filling between heat sinks and power semiconductors in EV inverters.

  5. Reusable prototyping seals and temporary tooling liners in precision manufacturing jigs.

Specifications Of Dow DOWSIL MS-1001 Moldable Silicone

Chemical TypePlatinum-cured methylvinyl silicone elastomer
Product FormPre-formed solid sheet or roll (custom thicknesses available)
AppearanceOpaque off-white, uniform texture, non-tacky surface
Hardness (Shore A, ASTM D2240)30 ± 5
Density (g/cm³, ASTM D792)1.18–1.22
Operating Temperature Range−55 °C to +200 °C (continuous)
Primary ApplicationsGasketing, sealing, vibration damping, thermal gap filling
Key FeaturesMoldable at RT, repositionable, no cure delay, excellent dielectric properties


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