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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.

用途:

  • General glazing and weather sealing in curtain wall and building facades

优势:

  • Ease of application – ready to use as supplied
  • Excellent rheology, low string upon gunning
  • Excellent weatherability, virtually unaffected by sunlight, rain, snow, ozone
  • Neutral cure
  • Low odor

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 不锈钢, 乙烯/硬聚氯乙烯, 低辐射镀膜玻璃, 半钢化玻璃, 塑料, 大理石, 挤压成型, 有机硅, 木材, 氟碳涂层铝, 混凝土, 漆, 玻璃, 石灰石, 石色, 砖石结构, 砖结构, 聚酯粉末涂覆铝/钢, 花岗岩, 轻质石材面板, 釉面和反光玻璃, 金属, 金属板材, 钢, 铝材, 铬化铝材, 阳极电镀铝
  • Appearance 不透明
  • Application Temperature Range 4 to 40 °C
  • Chemistry 中性
  • Color 定制色, 深灰色, 灰色, 白色, 石灰石, 金属灰, 青铜色, 预制白, 黑色
  • Cure System 单组分固化
  • Durometer - Shore A 25 to 30 Shore A
  • Flow 无流挂
  • Flow/Sag (Slump) 0 mm
  • Movement 中等
  • 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 @ 25°C 1.51
  • Substrate 非多孔
  • Tack-Free Time-50% RH 45 Minutes
  • Tensile Adhesion (T/A) 120 psi
  • Volatile Organic Content 45 g/liter
  • Where Used 工作地点
  • Working Time 20 Minutes

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DOWSIL™ 791 Weatherproofing Sealant
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DOWSIL™ 791 Weatherproofing Sealant


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DOWSIL™ 791 Weatherproofing Sealant
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