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    Home > Coatings News > Paints and Coatings Market > What about wood paint precipitation? All the solutions are here!

    What about wood paint precipitation? All the solutions are here!

    • Last Update: 2020-10-01
    • Source: Internet
    • Author: User
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    Performance phenomenon
    paint after opening the barrel appearance state is basically normal, but when stirring with utensils can feel the bottom layer has a lump phenomenon, or the bottom powder content is significantly more than the upper layer, serious when the block part can not be stirred;
    the reasons
    1, primer and primer this situation is mainly the paint powder content is high, the proportion of powder is large and precipitation;
    2, the amount of anti-sinking agent is too small;
    3, the anti-sink system is not reasonable,
    4, anti-sink agent and powder is not dispersed well, did not play its due role;
    5, the solvent in the paint is not enough to make the base material completely dissolved and form a stable and uniform state;
    6, paint storage time is too long, beyond the shelf life, anti-sink system lost effect.
    suggested treatment methods
    1, as far as possible to choose a good anti-sinking powder;
    2, increase the amount of anti-sinking agent;
    3, re-select the anti-sinking system;
    4, pay attention to the dispersion process, strictly according to the production process, if necessary, increase the amount of dispersant,
    5, reasonable choice of solvents, strengthen solvent solubility .
    .
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