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| Polyurethane paste composition and the problem there? | | Posted By :admin Release Time:2015/8/14 16:14:50 Views:3278 | | Polyurethane paste, following Xiaobian mainly related to answer some of their questions, but also involves a number of specific and relatively basic knowledge content, because the front has not explained in this regard, so from the ground, so we will be able to them understand, and then later in depth and extension, which can be gradual, and lay the foundation for better learning.
1.Polyurethane color paste, its main ingredient is what?
A: polyurethane paste, which is mainly composed of a pigment, a solvent, a polyurethane, a dispersant, a wetting agent consisting of diffusion agent, wherein the solvent is soft, the proportion of the other ingredients:
Pigment: 15% -35%
PU: 10% -15%
Dispersant: 2% -6%2%—6%
Diffusion agent: 0.5% -1%
Wetting agent: 2% -6%
2.When the paste is stirred with polyurethane, why there is precipitation?
A: precipitation occurred paste and polyurethane, while stirring, the ratio of resin which may be a problem with the paste, then should be adjusted. If the proportion is no problem, then you can add the appropriate anti-precipitating agent to prevent the above phenomenon. | Previous Page：What is paint? Its role and what kind?
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