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

Dow DOWSIL 85 Additive

Dow DOWSIL 85 Additive is a silicone-based rheology modifier from Dow’s DOWSIL portfolio, designed to enhance flow, leveling, and anti-sag performance in coatings, sealants, and adhesives while maintaining compatibility with diverse chemistries and enabling low-VOC formulations.
  • dow dowsil 85 additive_a04abab7
  • dow dowsil 85 additive_a04abab7

Features Of Dow DOWSIL 85 Additive

  1. Enhances adhesion between silicone elastomers and challenging substrates including plastics, metals, and painted surfaces.

  2. Improves interfacial bonding without requiring surface priming or plasma treatment.

  3. Offers excellent thermal stability for high-temperature processing and end-use environments.

  4. Maintains compatibility with addition-cure and condensation-cure silicone systems.

  5. Enables consistent, reproducible bond performance across production batches.

Typical Applications Of Dow DOWSIL 85 Additive

  1. Automotive lighting assemblies requiring durable silicone-to-plastic bonding.

  2. Medical device encapsulation where silicone must adhere reliably to thermoplastic housings.

  3. Consumer electronics seals and gaskets exposed to thermal cycling and vibration.

  4. Industrial sensors with silicone encapsulants bonded to metal sensor bodies.

  5. Appliance components requiring long-term adhesion under humid and elevated temperature conditions.

Specifications Of Dow DOWSIL 85 Additive

Chemical TypeOrganosilane-based adhesion promoter
Product FormLiquid concentrate
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsSilicone elastomer adhesion enhancement
Key FeaturesPrimer-free bonding, thermal stability, broad substrate compatibility
BenefitsReduced process steps, improved reliability, extended service life
Storage ConditionsStore in original sealed container at 5–30 °C; protect from moisture
Shelf Life12 months from date of manufacture when stored properly


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