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DOWSIL™ 791 Weatherproofing Sealant

A one-part, medium-modulus, elastomeric sealant designed for general weathersealing. It is a silicone formulation that cures to a flexible and curable silicone rubber building joint seal.

性能

这些数值为典型性能,并且不用于在规格制定过程中使用。

  • Adhesion to 釉面和反光玻璃, 挤压成型, 氟碳涂层铝, 玻璃, 花岗岩, 铬化铝材, 半钢化玻璃, 轻质石材面板, 低辐射镀膜玻璃, 大理石, 砖石结构, 金属, 金属板材, 漆, 铝材, 塑料, 聚酯粉末涂覆铝/钢, 有机硅, 石色, 钢, 不锈钢, 乙烯/硬聚氯乙烯, 木材, 阳极电镀铝, 石灰石, 砖结构, 混凝土
  • Application Temperature Range 4 to 40 °C
  • Color 黑色, 青铜色, 灰色, 石灰石, 预制白, 白色, 定制色, 深灰色, 金属灰
  • Durometer - Shore A 25 to 30 Shore A
  • Flow/Sag (Slump) 0 mm
  • Movement Capability -50 to 50 %
  • Primerless Adhesion 无需底涂
  • Room Temperature Cure - Days 7 to 14 Days
  • Service Temperature High 150 °C
  • Service Temperature Low -50 °C
  • Specific Gravity @ 25C 1.51
  • Tack-Free Time-50% RH 45 Minutes
  • Tensile Adhesion (T/A) 120 psi
  • Volatile Organic Content 45 g/liter
  • Working Time 20 Minutes
  • DOWSIL™ 795 Silicone Building Sealant
    A one-part, cold-applied, non-sagging silicone material that cures to a medium modulus silicone rubber upon exposure to atmospheric moisture.

  • DOWSIL™ 790 Silicone Building Sealant
    A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.

  • DOWSIL™ Contractors Weatherproofing Sealant
    A one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most non-porous substrates. It is specifically developed for sealing dynamically moving joints.

  • DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent

    Designed for specialized use where dual structural and weatherseal applications are desired for factory glazing and curtainwall production. Once cured, this structural sealant forms a durable, flexible, watertight bond that can be warranted for 20 years and used in ±25% movement weatherseal applications. It has excellent unprimed adhesion to glass, alodine, and anodized aluminum1, although DOWSIL™ Primer-C OS is recommended for fast and consistent adhesion, especially to high-performance substrates approved for architectural structural glazing applications.


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DOWSIL™ 791 Weatherproofing Sealant
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