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

DOW DOWSIL BY 16-891 Silicone Additive

DOW DOWSIL BY 16-891 is a silicone-based additive from Dow’s DOWSIL portfolio, designed to enhance substrate wetting, leveling, and slip in coatings, inks, and adhesives. It offers low surface tension, excellent compatibility, and minimal foaming—ideal for high-performance industrial formulations requiring consistent surface modification and defect reduction.
  • dow dowsil by 16 891 silicone additive_11745b76
  • dow dowsil by 16 891 silicone additive_11745b76

Features Of DOW DOWSIL BY 16-891 Silicone Additive

  1. Enhances surface slip and mar resistance in thermoplastic and thermoset polymer systems.

  2. Provides excellent compatibility with a broad range of engineering resins including polyamide, polycarbonate, and PBT.

  3. Reduces coefficient of friction without compromising mechanical strength or thermal stability.

  4. Offers low volatility and high thermal stability up to 300 °C, supporting high-temperature processing.

  5. Delivers consistent performance at low addition levels (typically 0.1–1.0 wt%).

Typical Applications Of DOW DOWSIL BY 16-891 Silicone Additive

  1. Automotive interior trim components requiring soft-touch and scratch-resistant surfaces.

  2. Electrical connectors and housings where low-friction insertion and long-term reliability are critical.

  3. Consumer electronics enclosures for improved aesthetics and tactile feel.

  4. Industrial plastic parts subject to repeated mechanical wear and sliding contact.

  5. Medical device housings requiring biocompatibility-compliant additives and clean processing.

Specifications Of DOW DOWSIL BY 16-891 Silicone Additive

Chemical TypeDimethyl silicone polymer blend
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsPolymer additive for surface modification
Key FeaturesSlip enhancement, mar resistance, low migration
BenefitsImproved mold release, reduced surface defects, enhanced tactile properties
Recommended Loading Range0.1–1.0 wt% in base polymer
Storage ConditionsStore in original unopened container at 5–30 °C; protect from moisture


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