DOWSIL™ MQ-1640 Flake Resin

A unique combination of MQ and T propyl silicone resin. This combination of resin technologies has been especially developed to provide both excellent transfer and wash resistance combined with a flexible film and comfort of wear in skin and cosmetics applications. Even with stretching and washing the film formed by this product remained smooth and undamaged. In sunscreens it enhanced the SPF wash off resistance. INCI Name: Trimethylsiloxy silicate (and) Polypropyl silsesquioxane


  • Comfortable on skin
  • Transfer resistant
  • Wash-off and rub-off resistant
  • Long-wearing
  • Smudge-proof
  • Broadly compatible, including with sunscreen actives
  • SPF boosting
  • Listed in the Catalogue of Cosmetics Ingredients used in China



  • Ease of Use true
  • Film Forming on Skin true
  • Flash Point, Closed Cup > 100 °C
  • Improves SPF true
  • Long Lasting/Substantivity true
  • Low Odor true
  • Organic Compatibility true
  • Shelf Life 720 Days
  • Slip true
  • Solventless true
  • Specific Gravity @ 25C 0.57
  • Water Wash-Off true


  • DOWSIL™ 670 Fluid
    A blend of approximately 50 percent cyclopentasiloxane and approximately 50 percent polypropylsilsesquioxane, especially useful in color cosmetic formulations. INCI Name: Cyclopentasiloxane (and) Polypropylsilsesquioxane

  • DOWSIL™ MQ-1600 Solid Resin
    100% trimethylsiloxysilicate resin. This silicone resin provides excellent transfer and wash-off resistance. In sunscreens it can enhance the SPF wash-off resistance. INCI Name: Trimethylsiloxysilicate



DOWSIL™ MQ-1640 Flake Resin

DOWSIL™ MQ-1640 Flake Resin


DOWSIL™ MQ-1640 Flake Resin
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