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  2. DOWSIL™ 791 Weatherproofing Sealant

DOWSIL™ 791 Weatherproofing Sealant

一般的な耐候性シーリング向けに作られた 1 成分形中弾性エラストマーシーラント。柔軟性を保ちながら硬化してシリコーンゴム継手シールになるシリコーン製品です。

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。

典型性能

  • 下垂度(垂流) 是 否 0 mm
  • 位移 是 否 中等
  • 位移能力 是 否 -50 to 50 %
  • 使用位置 是 否 工作地点
  • 化学 是 否 中性
  • 可操作时间 是 否 20 Minutes
  • 固化体系 是 否 单组分固化
  • 基材 是 否 非多孔
  • 外观 是 否 不透明
  • 室温固化-天数 是 否 7 to 14 Days
  • 应用温度范围 是 否 4 to 40 °C
  • 拉伸粘接强度(T/A) 是 否 120 psi
  • 挥发性有机物 是 否 45 g/liter
  • 无底涂剂的粘合力 是 否 无需底涂
  • 最低使用温度 是 否 -50 °C
  • 最高使用温度 是 否 150 °C
  • 比重 @ 25C 是 否 1.51
  • 流平 是 否 无流挂
  • 相对湿度50%时的表干时间 是 否 45 Minutes
  • 硬度-Shore A 是 否 25 to 30 Shore A
  • 颜色 是 否 定制色, 深灰色, 灰色, 白色, 石灰石, 金属灰, 青铜色, 预制白, 黑色
Solid weatherproofing performance at outstanding value

Solid weatherproofing performance plus outstanding silicone sealant value

One of the most economical options for quality silicone weathersealing, DOWSIL™ 791 Silicone Weatherproofing Sealant is a neutral-cure, one-part sealant that quickly cures to a durable, flexible seal that can accommodate significant joint movement. Especially suited for perimeter sealing around doors and windows, it's also excellent for sealing expansion and control joints, precast concrete panels, curtainwall and mullion joints, and internal seals and end dams.

New Submittal Generator Tool
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Edgy glass building with pencil sketch

Design freedom

Seal exceptionally wide expansion joints allowing for curved glass designs

City at night with streaks of light

Proven performance

Ideal for expansion, connection, perimeter and other types of movement joints

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