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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.

用途:

  • Dynamically moving joints such as expansion and control joints
  • Concrete panel joints
  • Tilt-up panel joints
  • Curtainwall joints
  • Frame-to-structure and perimeter caulking of windows, doors, panels, EIFS, bedding of mullions, panels and frames, etc.

优势:

  • Primerless on EIFS and most common nonporous building substrates, including glass and aluminum
  • Balanced adhesive strength, medium modulus and high recovery
  • Excellent all-weather gunnability and performance
  • Extension/compression capability of ±25 to ±40 percent
  • Available in 10.3 ounce cartridges, 20 ounce sausages and two gallon pails
  • Choose from 20 standard colors, 19 special colors and custom colors, too
  • 5 Year Weatherseal Limited Warranty

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, 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, 陶瓷, 混凝土
  • Application Temperature Range -29 to 49 °C
  • Color 白色, 灰色, 木炭, 黑色, 砂岩色, 石灰石, 青铜色, 铝材, 古白色, 浅黄色, 定制色, 浅铜色, 本白色, 预制白, 窗铜色, 地理米色, 阳极电镀铝, 红木棕色, 檀香, 山雾色, 象牙色
  • Cure Type 自然固化
  • Durometer - Shore A 20 to 30 Shore A
  • Elongation 550 %
  • Movement Capability -40 to 40 %
  • Number of Parts 单组份
  • Peel Strength 20 to 28 ppi
  • Primerless Adhesion 无需底涂
  • Resistance Type 耐臭氧, 热阻, 抗紫外线, 防水
  • Room Temperature Cure - Hours 168 to 336 Hours
  • Service Temperature High 121 °C
  • Service Temperature Low -40 °C
  • Shelf Life 540 Days
  • Tack-Free Time-50% RH 360 Minutes
  • Tensile Strength 180 psi
  • Volatile Organic Content 35 g/liter
  • DOWSIL™ Primer-C
    A solventbased silane adhesion promoter for use in construction applications for painted surfaces.

  • 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™ 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.

  • 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™ 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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