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

Dow DOWSIL MS-4007 Silicone Rubber

Dow DOWSIL MS-4007 Silicone Rubber is a one-component, moisture-curing RTV silicone elastomer offering excellent adhesion to diverse substrates, low modulus flexibility, and outstanding weather/UV resistance—ideal for sealing, bonding, and gasketing in automotive, construction, and electronics applications.
  • dow dowsil ms 4007 silicone rubber_6b7c98af
  • dow dowsil ms 4007 silicone rubber_6b7c98af

Features Of Dow DOWSIL MS-4007 Silicone Rubber

  1. One-component, moisture-curing silicone rubber with excellent adhesion to diverse substrates including glass, aluminum, and painted surfaces.

  2. Low modulus formulation provides superior flexibility and stress relief in dynamic joint applications.

  3. Non-corrosive cure chemistry — acetoxy-free — safe for sensitive metals and electronics.

  4. Good resistance to UV, ozone, and weathering for long-term outdoor performance.

  5. Easy to apply with standard sealant dispensing equipment; tack-free time within 15–30 minutes at 23°C/50% RH.

Typical Applications Of Dow DOWSIL MS-4007 Silicone Rubber

  1. Structural glazing sealants for curtain wall and façade systems.

  2. Weatherproofing seals for windows, doors, and skylights in commercial and residential construction.

  3. Joint sealing in precast concrete and metal cladding assemblies.

  4. Sealing and bonding of architectural aluminum extrusions and composite panels.

  5. Non-structural bonding of glass and ceramic elements in interior design applications.

Specifications Of Dow DOWSIL MS-4007 Silicone Rubber

Chemical TypeAcetoxy-cure silicone rubber
Product FormThixotropic paste, single-component
AppearanceOpaque white or gray, smooth uniform paste
Primary ApplicationsArchitectural sealing, glazing, and weatherproofing
Key FeaturesNon-corrosive, low-modulus, excellent adhesion without primer
Shore A Hardness (7 days, 23°C/50% RH)18–22
Tensile Strength (7 days, 23°C/50% RH)0.4–0.6 MPa
Specific Gravity (25°C)1.30–1.35 g/cm³


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