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DOWSIL™ 757 Weatherproofing Sealant

Sealant for Photocatalytic Clean Glass is a neutral-cure, one-component, Si-hybrid based, low modulus, architectural grade sealant designed for weathersealing of most photocatalytic and hydrophilic clean glass surfaces where high movement is anticipated and high weather resistance is required to withstand increased temperature and UV radiation. It is ideal for expansion, connection, perimeter and other movement joints.

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Adhesion to Yes No Aluminum, Glass, Metal, Paint, Wood
  • Appearance Yes No Opaque
  • Chemistry Yes No Neutral
  • Color Yes No Black
  • Cure System Yes No 1-Part Cure
  • Cure Type Yes No Neutral Cure
  • Durometer - Shore A Yes No 20 Shore A
  • Elongation Yes No 250 %
  • Flow Yes No NonSag
  • Full Adhesion Time Yes No 7 to 10 Days
  • Movement Yes No Medium
  • Number of Parts Yes No One
  • Resistance Type Yes No Thermal Resistance, UV Resistance, Water Resistance
  • Service Temperature High Yes No 90 °C
  • Service Temperature Low Yes No -30 °C
  • Shelf Life Yes No 360 Days
  • Special Features Yes No Suitable for Self-Cleaning Glass
  • Specific Gravity @ 25°C Yes No 1.46
  • Substrate Yes No Porous
  • Temperature Range Yes No -30 to 90 °C
  • Tensile Strength Yes No 0.35 psi
  • Water Resistant Yes No true
  • Where Used Yes No Job Site
  • Working Time Yes No 30 Minutes

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DOWSIL™ 757 Weatherproofing Sealant
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DOWSIL™ 757 Weatherproofing Sealant
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