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

Dow DOWSIL 1437 Industrial Sealant

Dow DOWSIL 1437 Industrial Sealant is a high-performance, acetoxy-cured silicone sealant engineered for demanding industrial bonding and sealing applications. It offers excellent adhesion to metals, plastics, and painted surfaces, fast cure speed, superior weather resistance, and stable performance across wide temperature ranges. Ideal for automotive, appliance, and manufacturing assembly.
  • dow dowsil 1437 industrial sealant_e866fbb6
  • dow dowsil 1437 industrial sealant_e866fbb6

Features Of Dow DOWSIL 1437 Industrial Sealant

  1. High-performance, one-component, moisture-curing silicone sealant with excellent adhesion to metals, glass, ceramics, and many plastics without primer.

  2. Outstanding resistance to extreme temperatures (–55 °C to +200 °C continuous service), thermal cycling, and UV exposure.

  3. Low modulus formulation provides superior flexibility and stress relief in dynamic joints and vibration-prone assemblies.

  4. Non-corrosive to sensitive substrates including copper, aluminum, and galvanized steel — suitable for electronics and precision equipment.

  5. Meets UL 94 HB flammability rating and complies with RoHS Directive 2011/65/EU for restricted substances.

Typical Applications Of Dow DOWSIL 1437 Industrial Sealant

  1. Sealing and bonding of HVACR components, including heat exchangers, compressors, and refrigerant lines.

  2. Encapsulation and gasketing of industrial control panels, power supplies, and motor housings.

  3. Structural sealing of architectural metal cladding systems and curtain wall perimeter joints.

  4. Assembly sealing in transportation equipment, including railcar interiors and bus body panels.

  5. General-purpose industrial maintenance and repair where high durability and environmental resistance are required.

Specifications Of Dow DOWSIL 1437 Industrial Sealant

Chemical TypeAcetoxy-cure silicone elastomer
Product FormPaste, thixotropic, ready-to-use
AppearanceOff-white to light gray, uniform paste
Primary ApplicationsIndustrial sealing, gasketing, and bonding of rigid substrates
Key FeaturesPrimerless adhesion, low modulus, wide service temperature range
BenefitsReduced assembly time, long-term joint integrity, compatibility with sensitive electronics
VOC Content<50 g/L (complies with EU Directive 2004/42/EC)
Packaging310 mL sausage cartridges, 600 mL cartridges, and 18 L pails


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