[{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"BR","default":"pt-br"},{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"JP","default":"ja-jp"},{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"CN","default":"zh-cn"},{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"US","default":"en-us"},{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"ES","default":"es-es"},{"values":[{"value":"Português-葡萄牙语","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-日语","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English-英语","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-西班牙语","languageCode":"es-es","link":"javascript:void(0);"},{"value":"한국어-朝鲜语","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"KR","default":"ko-kr"}]

DOWSIL™ 791 Weatherproofing Sealant

概述
样品选项
购买选项
技术内容
技术内容
查寻找经销商

单组分、中等模量的弹性密封胶，用于一般耐候应用。本品是一种可固化为弹性硅橡胶建筑接缝密封的有机硅配方。

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。

物理特性

下垂度(垂流) 是否 0 mm
位移是否中等
位移能力 是否 -50 to 50 %
化学是否中性
基材是否不锈钢, 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
外观是否不透明
拉伸粘接强度(T/A) 是否 120 psi
挥发性有机物 是否 45 g/liter
比重 @ 25C 是否 1.51
硬度-Shore A 是否 25-30

Application Benefits

无底涂剂的粘合力 是否无需底涂

加工-配方的优势

Tack-free Time (50% RH) 是否 45 Minutes
使用位置 是否工作地点
可操作时间 是否 20 Minutes
固化体系 是否单组分固化
室温固化-天数 是否 7 to 14 Days