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

Dow DOWSIL Q3-3442 Plus EU Flowable Acetoxy Silicone Elastomer

Dow DOWSIL Q3-3442 Plus EU Flowable Acetoxy Silicone Elastomer is a low-viscosity, acetoxy-cure silicone elastomer from Dow’s DOWSIL Q3 series—designed for seamless dispensing, rapid tack-free time, and excellent adhesion to diverse substrates in EU-compliant industrial sealing and bonding applications.
  • dow dowsil q3 3442 plus eu flowable acetoxy silicone elastomer_3210dc77
  • dow dowsil q3 3442 plus eu flowable acetoxy silicone elastomer_3210dc77

Features Of Dow DOWSIL Q3-3442 Plus EU Flowable Acetoxy Silicone Elastomer

  1. Acetoxy-cure chemistry enabling rapid room-temperature vulcanization (RTV) without catalysts or moisture barriers.

  2. Low-viscosity flowable formulation for excellent gap-filling, conformal coating, and seamless dispensing in automated processes.

  3. High elongation and resilience after cure, delivering durable elastomeric performance across thermal and mechanical stress cycles.

  4. EU-compliant formulation meeting REACH and RoHS requirements for restricted substances in industrial silicone applications.

  5. Strong adhesion to common substrates including glass, aluminum, stainless steel, and painted surfaces without primers.

Typical Applications Of Dow DOWSIL Q3-3442 Plus EU Flowable Acetoxy Silicone Elastomer

  1. Sealing and encapsulation of electronic control units (ECUs) and power modules in automotive systems.

  2. Conformal protection of PCBs and sensors exposed to humidity, vibration, and temperature fluctuations.

  3. Gasketing and bonding of lighting housings and headlamp assemblies in LED automotive lighting.

  4. Flowable potting for small-format industrial sensors and IoT device enclosures requiring environmental sealing.

  5. Assembly bonding and edge-sealing of glass-to-metal and plastic-to-metal interfaces in precision instruments.

Specifications Of Dow DOWSIL Q3-3442 Plus EU Flowable Acetoxy Silicone Elastomer

Chemical TypeAcetoxy-cure silicone elastomer
Product FormSingle-component, flowable liquid
AppearanceClear to translucent viscous liquid
Primary ApplicationsEncapsulation, sealing, gasketing, and conformal coating
Key FeaturesRoom-temperature curing, primerless adhesion, high flexibility
BenefitsProcess efficiency, design freedom, long-term reliability under thermal cycling
Regulatory ComplianceREACH SVHC-free, RoHS 2015/863 compliant, EU Declaration of Conformity available


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