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891 Special silicone for Doors and windows  weatherproofing sealant (ketoxime) is  designed for the rapid development of the domestic manufacturing industry of doors and windows sealing requirements . It can be applied in most of the building materials, such as glass, coated glass, aluminum, aluminum, ceramics, sanitary ware, sprayed concrete, stone, steel, stainless steel and other adhesive seal.

The sealant can be used directly without catalyst or other raw materials and don’t react with other materials, non corrosive, high temperature resistant, weatherproofing.  The extreme environments such as Ultraviolet radiation, ozone, rain, snow will not affect them. This product can work properly at -40 to +120 degrees temperature without hardening, cracking and chipping. This product is environmentally friendly material, non-polluting, non-hazardous goods for transportation.