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Description of the use of poly - sulfur sealant

author: Jianfeng Engineering from: ԭ date: 2017/10/20 9:00:00 hit: 7183
Tips: Description of the use of poly - sulfur sealantPolysulfide sealant waterproof instructions note: a b...

Description of the use of poly - sulfur sealant

Polysulfide sealant waterproof instructions note: a building must be kept dry, clean, no oil. Two, before construction should be the first primer coating on the surface, the surface to be dry after the protective tape on both sides of the 10mm gap with the width of 50mm, to prevent the construction of redundant polyurethane sealant the construction surface dirty. Three, to 1 barrels of white box polyurethane sealant (A group) and 1 black bag curing agent (B component) to fully mix, until no color.A:B=100:8-12, before use should do first test. Four, the polyurethane sealant mixing well with a putty knife or squeeze the glue gun to fill joint internal pressureWith more than 10cm wide solid fill putty scraping knife glue. Five, after the protective tape applying adhesive can be removed within 24 hours, to avoid water rain. (dry time less than 24 hours, 7 days before irrigation experiment, 28 days all reached six. Performance) preparation of polyurethane sealant should be good finished within two hours, otherwise they will be caused by the construction difficulty of curing paste slowly, avoid waste.

Requirements of polysulfide sealant waterproof construction safety. The non sagging type and self leveling, high elongation, low modulus of two-component polysulfide sealant for fully cured rubber like elastic body. With high ratio of main agent (A): curing agent (B) =100:10 (quality, standard condition), with the seasons. Change of regional temperature. The available amount of curing agent used to adjust for the length range of B components in 10-14. The high temperature in summer, when construction of a two-component polysulfide sealant for building on the solidification time is faster, the winter construction,Low temperature solidification is slightly slower, in the north of two-component polysulfide sealant for building life up to 140 years in the south, up to 98 years. In the factory, our company has been in accordance with the quality ratio is good, and in the box with a plastic tube into the open, users need not worry about the proportion of the mass ratio when in use, only need to open the packaging of A components and B components together evenly, can be used.


  

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