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

Dow DOWSIL SE 4448 CV Kit Parts A&B

Dow DOWSIL SE 4448 CV Kit Parts A&B is a two-component silicone elastomer system offering rapid room-temperature vulcanization, excellent adhesion to plastics/metals, low viscosity for easy dispensing, and outstanding thermal stability—ideal for automotive, electronics, and industrial bonding/sealing applications.
  • dow dowsil se 4448 cv kit parts a b_5ce5c424
  • dow dowsil se 4448 cv kit parts a b_5ce5c424

Features Of Dow DOWSIL SE 4448 CV Kit Parts A&B

  1. Two-component, addition-cure silicone elastomer system offering excellent thermal stability and long-term reliability.

  2. Low viscosity before cure enables easy mixing, degassing, and precise dispensing into complex geometries.

  3. Fast room-temperature or elevated-temperature cure profile with minimal shrinkage and excellent dimensional stability.

  4. UL 94 V-0 rated for flame resistance, supporting compliance in demanding electronic and electrical applications.

  5. Outstanding dielectric properties and hydrophobic surface retention after aging under humid conditions.

Typical Applications Of Dow DOWSIL SE 4448 CV Kit Parts A&B

  1. Encapsulation and potting of power electronics, including IGBT modules and EV battery management systems.

  2. Thermal interface material (TIM) bonding and gap-filling in high-power LED lighting assemblies.

  3. Protective coating and conformal encapsulation for automotive sensors exposed to harsh under-hood environments.

  4. Dielectric insulation and stress relief for high-voltage connectors and busbar assemblies.

  5. Sealing and bonding of optical components requiring low outgassing and stable refractive index.

Specifications Of Dow DOWSIL SE 4448 CV Kit Parts A&B

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid kit (Part A: base polymer + filler; Part B: crosslinker + catalyst)
AppearancePart A: translucent off-white liquid; Part B: translucent pale yellow liquid
Mix Ratio by Weight10:1 (A:B)
Cure Profile24 hrs at 25°C or 2 hrs at 80°C
Hardness (Shore A)40–45 after full cure
Density (g/cm³)1.15–1.20
UL RecognitionUL 94 V-0, UL 746C (RTI Elec 150°C)


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