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

DOW DOWSIL 88 Additive

DOW DOWSIL 88 Additive is a silicone-based rheology modifier from Dow’s DOWSIL™ portfolio, designed to enhance viscosity control and sag resistance in sealants, adhesives, and coatings. It improves storage stability, shear-thinning behavior, and filler dispersion without compromising cure performance or adhesion. Widely used in construction and industrial applications for consistent processing and superior final film integrity.
  • dow dowsil 88 additive_406cb9de
  • dow dowsil 88 additive_406cb9de

Features Of DOW DOWSIL 88 Additive

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

  2. Improves interfacial compatibility in silicone-modified acrylic and polyurethane systems.

  3. Enables stable dispersion without requiring high-shear mixing or pre-treatment.

  4. Offers excellent thermal stability up to 200 °C during processing and curing.

  5. Non-reactive, non-volatile additive with low migration tendency in final formulations.

Typical Applications Of DOW DOWSIL 88 Additive

  1. Automotive interior trim coatings for PP and TPO substrates.

  2. Architectural sealants and glazing compounds requiring enhanced substrate bonding.

  3. Industrial maintenance coatings on plastic and composite surfaces.

  4. Electronics encapsulants where silicone–polymer interface integrity is critical.

  5. Medical device adhesives requiring biocompatibility-supporting formulation flexibility.

Specifications Of DOW DOWSIL 88 Additive

Chemical TypeOrganofunctional siloxane oligomer
Product FormClear, low-viscosity liquid
AppearanceColorless to pale yellow, transparent liquid
Density (25 °C)0.96–0.98 g/cm³
Refractive Index (25 °C)1.41–1.43
Volatile Content (105 °C, 3 h)<1.0 wt%
Flash Point (PMCC)>110 °C
Storage StabilityStable for ≥12 months at 5–30 °C in sealed container


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