DOWSIL™ 991 Silicone High Performance Sealant

A medium modulus elastomeric sealant specifically designed for weatherproofing sensitive porous stone and metal panel substrates.

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, 氟碳涂层铝, 玻璃, 花岗岩, 半钢化玻璃, 低辐射镀膜玻璃, 大理石, 金属板材, 聚酯粉末涂覆铝/钢, 不锈钢, 阳极电镀铝, 石灰石, 砖结构, 混凝土
Color 青铜色, 黑色, 石灰石, 灰色, 定制色
Durometer - Shore A 24 Shore A
Elongation 800 %
Flow/Sag (Slump) < 2.55 mm
Modulus @ 150% Elongation, maximum 49.3 psi
Movement Capability -50 to 50 %
Number of Parts 单组份
Resistance Type 耐臭氧, 热阻, 抗紫外线, 防水
Shelf Life 360 Days
Specific Gravity @ 25C 1.24
Tack-Free Time-50% RH 40 Minutes
Tear Strength 34.27 ppi
Temperature Range -29 to 50 °C
Tensile Strength 246 psi
Water Resistant true
Working Time 20 Minutes