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

DOW DOWSIL 87 Additive

DOW DOWSIL 87 Additive is a silicone-based processing aid from Dow’s DOWSIL series, designed to enhance surface leveling, reduce defects, and improve substrate wetting in coatings, inks, and adhesives—without affecting cure chemistry or final film properties.
  • dow dowsil 87 additive_f9a8ba30
  • dow dowsil 87 additive_f9a8ba30

Features Of DOW DOWSIL 87 Additive

  1. Enhances adhesion to low-surface-energy substrates including polyolefins and fluoropolymers.

  2. Improves crosslink density and thermal stability in silicone-based sealants and adhesives.

  3. Offers excellent compatibility with addition-cure (Pt-catalyzed) silicone systems.

  4. Reduces post-cure shrinkage and improves dimensional stability of cured formulations.

  5. Supports low-volatile organic compound (VOC) formulation without sacrificing performance.

Typical Applications Of DOW DOWSIL 87 Additive

  1. Automotive under-hood silicone gasketing and bonding compounds.

  2. Electronics encapsulants requiring reliable adhesion to plastic housings and PCB substrates.

  3. Construction-grade silicone sealants for curtain wall and façade systems.

  4. Medical device assembly where biocompatibility and long-term reliability are critical.

  5. Industrial coatings requiring enhanced substrate wetting and interfacial durability.

Specifications Of DOW DOWSIL 87 Additive

Chemical TypePlatinum-based silicone additive
Product FormClear, low-viscosity liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsAdhesion promoter for addition-cure silicones
Key FeaturesSubstrate adhesion enhancement, cure modulation, compatibility with vinyl-functional polymers
BenefitsImproved bond strength, reduced delamination risk, extended service life
Storage ConditionsStore at 5–30 °C in original sealed container; protect from moisture and direct sunlight
Regulatory StatusREACH registered; compliant with RoHS Directive (2011/65/EU)


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