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DOWSIL 680 Silicone 300ml


DOWSIL 680 Silicone 300ml

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DOWSIL 680 Sanitary Sealant is a high performance neutral cure silicone sealant designed to resist the growth of mold and mildew where conditions of high humidity and temperature exist.



  • Contains a fungicide to inhibit the growth of mold and mildew.
  • Adheres to a wide range of building materials and finishes including plastics.
  • Neutral cure; will not corrode galvanized/zinc-coated steel or attack concrete.
  • Excellent resistance to weathering, ultra-violet radiation, vibration, moisture, ozone,
  • temperature extremes, airborne pollutants, cleaning detergents and many solvents.
  • Long life reliability; cured sealant stays rubbery from -50°C to +150°C without tearing, cracking, drying out or becoming brittle.
  •  Capable of withstanding movements up to ±25% of original joint width.
  • Non-slumping; can be used in vertical and overhead joints.
  •   Easy to use – one part, no mixing required.
  • Can be applied in any season.


  • Glass
  • Aluminium
  • Brick
  • Cement
  • Grout
  • Ceramic tiles
  • Fibreglass
  • Baked enamel surfaces
  • Painted finishes