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    Home > Coatings News > Paints and Coatings Market > When the temperature is lower than 10 degrees, what problems will appear in the paint application?

    When the temperature is lower than 10 degrees, what problems will appear in the paint application?

    • Last Update: 2021-12-01
    • Source: Internet
    • Author: User
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    The weather is getting colder

    But the end of the year is the peak season for decoration, and wall painting and spray painting can’t stop.



    In the cold winter, many paint workers are rushing to work day and night.


    So, what problems do oilers often encounter in winter?

    1.



    Phenomenon: primer polishing time is prolonged and polishability , top coating packaging time is prolonged coating online coatingol.



    Prevention method:

    ①When constructing PE primer, increase the amount of blue water and white water, and use winter thinner;

    ②Increase the amount of curing agent when applying PU primer, and use winter thinner;

    ③Do not apply too thickly when applying primer, especially PU primer;

    ④ Use heating equipment to heat the dry room to increase air circulation;

    ⑤Add proper amount of drier and quick-drying solvent;


    2.



    Phenomenon: The second primer or topcoat swells the paint underneath, causing cracks;


    Prevention method:

    ①Do not apply too thickly at one time during the primer construction.


    ② Extend the interval time during wet-on-wet construction;

    ③The dry room is heated with heating equipment;


    3.



    Phenomenon: When the paint is applied, the surface becomes white or after being placed for a period of time, the phenomenon of smudging under the paint appears.



    Prevention method:

    ①After the stickers and veneer are pasted, the moisture of the board must be completely dried before construction;

    ②The primer should not be applied too thickly;

    ③Before the construction of the substrate, pay attention to the temperature difference between the paint and the paint.
    First, move the substrate to be constructed into the spray booth;

    ④When the humidity exceeds 80%, it is recommended to heat and dehumidify in the spray room and board room;


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