Do you know what kind of sealant is mainly used on the building? I believe that some friends are not too understanding, then follow the Omann manufacturer to see the content shared here!

Building sealant mainly includes polysulfide sealant and silicone sealant.

1. Polysulfide sealant

At present, most of the sealant used in construction is two-component polysulfide sealant. Two-component polysulfide sealant appearance is delicate, uniform paste or viscous body, so it is usually called two-component polysulfide sealant, two-component polysulfide sealant and two-component polysulfide sealant is the same product.

Two-component polysulfide sealant is a two-component paste, two components have obvious color difference, easy to mix evenly. The use ratio is A:B=100:8-12, and the sizing time is 2-6 hours. The product is neutral, strong, no pollution, anti-corrosion, strong, water resistance, oil resistance, weak acid and alkali resistance, excellent anti-aging performance. Long service life, with excellent anti-leakage bonding sealing performance.

Use of two-component polysulfide sealant: widely used in construction, municipal, subway, tunnel, airport runway, highway, bridge and other engineering concrete expansion joint, settlement joint and other deformation joint sealing. Applicable to water plant, swimming pool, reservoir, power station, dam, sewage treatment engineering and water supply and drainage system in all kinds of expansion joint leakage sealing.

2. Silicone sealant

At present, part of the sealant used is silicone sealant. Silicone sealant has good UV resistance, stable chemical properties, and is currently the anti-aging sealant. good It has good compatibility with silicone structural sealant and is widely used in weatherproof sealing of building curtain wall.

According to its use, silicone sealant is divided into: curtain wall weatherproof sealant, ordinary silicone sealant, stone curtain wall special sealant, aluminum plate aluminum composite plate curtain wall special sealant, daylighting top special weatherproof sealant.

    With the rapid development of the building curtain wall industry, the special sealant for large plate glass and point curtain wall also stand out.

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