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Sealant introduction

author: Jianfeng Engineering from: 原创 date: 2017/12/20 9:00:00 hit: 10282 ℃
Tips: A detailed description of the two groups of sealant distributors:A two-component polysulfide sealant...

A detailed description of the two groups of sealant distributors:

A two-component polysulfide sealant two glue to the construction time interval does not exceed 8 hours, usually by wet wet connection connection, no special requirements on the colloid joint, the construction of Xinjiang Prefecture of Changji province. Continuous gluing of two-component polysulfide sealant agent. According to the group can be divided into two components and one component type. High road, bridge, airport runway, underground pipeline, and deformation seam connection and sealing tunnels and buildings stretching. Features: two-component polyurethane sealant has excellent abrasion resistance, low temperature flexibility, performance can be adjusted in a wide range, high mechanical strength, good adhesion, good elasticity. With the restoration of excellent, suitable forDynamic joints and deformation joints, expansion joints, good weather resistance, good oil resistance, biological aging and low price.

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。

Polysulfide caulk


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