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

Dow DOWSIL EP-5518 Powder Silicone Elastomer

Dow DOWSIL EP-5518 Powder Silicone Elastomer is a free-flowing, thermally stable silicone polymer powder from Dow’s DOWSIL EP series. It delivers exceptional softness, elasticity, and skin compatibility for personal care formulations like powders, sticks, and anhydrous bases—enabling smooth texture, oil absorption, and long-lasting wear without tackiness.
  • dow dowsil ep 5518 powder silicone elastomer_54aae2d1
  • dow dowsil ep 5518 powder silicone elastomer_54aae2d1

Features Of Dow DOWSIL EP-5518 Powder Silicone Elastomer

  1. Free-flowing, non-dusting powder form for easy handling and dispersion in dry-blend processes.

  2. Highly crosslinked silicone elastomer with excellent thermal stability and compression set resistance.

  3. Compatible with thermoplastics, thermosets, and elastomers—enabling seamless integration into compound formulations.

  4. Delivers soft-touch feel, improved slip, and reduced surface friction without compromising mechanical integrity.

  5. Non-reactive and inert under standard processing conditions—no curing agents or additional catalysts required.

Typical Applications Of Dow DOWSIL EP-5518 Powder Silicone Elastomer

  1. Tactile enhancement for automotive interior components (e.g., dashboards, door panels, and control surfaces).

  2. Surface modification of medical device housings and wearable sensors to improve grip and skin comfort.

  3. Functional additive in engineering plastics for consumer electronics enclosures and wearable accessories.

  4. Performance booster in specialty coatings and powder coatings for scratch resistance and matte finish control.

  5. Processing aid in rubber compounding to reduce die swell and improve extrusion uniformity.

Specifications Of Dow DOWSIL EP-5518 Powder Silicone Elastomer

Chemical TypeHighly Crosslinked Polydimethylsiloxane (PDMS) Elastomer
Product FormFree-Flowing Dry Powder
AppearanceWhite to Off-White Granular Powder
Primary ApplicationsTactile Enhancement, Surface Modification, Processing Aid
Key FeaturesThermally Stable, Non-Dusting, Dispersible in Polymers
BenefitsImproved Slip, Soft-Touch Feel, Low Compression Set
Storage ConditionsStore in Original Container at 15–25°C; Protect from Moisture
Regulatory StatusCompliant with FDA 21 CFR §177.2600 (for indirect food contact)


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