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One-component polyurethane waterproof coating (2) formula

 Last Update: 2021-07-27
 Source: Internet
 Author: User

Recipe introduction

The coating is used for building waterproof coatings

Introduction of raw material ratio (parts by mass)

Preparation

(1) According to the formula, stir the dispersant, film-forming aid, defoamer, plasticizer, pH stabilizer, and ultraviolet light absorber in water for 20 minutes, and add pigments and fillers to disperse at high speed for 30 minutes

(2) Pour the polyurethane emulsion slowly, stir at low speed for 20 minutes, then add leveling agent, defoamer, and thickener, and continue to stir at low speed for 20 minutes to obtain a single-component high-elasticity waterborne polyurethane architectural waterproof coating

Raw material compatibility

The proportion of each component of the coating is in the range of: polyurethane emulsion 40~80, pigments and fillers 10-40, dispersant 0.

Product Features

After testing, the coating has a tensile strength of 3.

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