The extensive application of paints in mechanical equipment
Different mechanical paints have different application fields, but acrylic paints are mostly used in machinery and machine tools and other large-scale construction machinery equipment. What are the substantive differences between acrylic paints and two-component acrylic polyurethane paints because of their application time and can be subdivided into single-component acrylic paints and two-component acrylic polyurethane paints?
Acrylic mechanical paint belongs to its own volatile products, mainly used in mild corrosive environment, and easy construction, curing at room temperature. The coating can be solidified at 5 ~ 40 C and baked at 60 ~ 80 C for 30 minutes. It has excellent adhesion to metal, cement appearance, brick, wood and plastic products.
Acrylic polyurethane paint, can be used in a variety of field environment, medium and long-term anticorrosion, decoration, weatherproof coating requirements. This curing is irreversible, that is, after curing, with the original solvent can not dissolve the cured film.
Mechanical paints differ in appearance: although both have good gloss, acrylic paints are slightly less fullness and decorative.
Mechanical function: Acrylic paint film, thin and soft, poor in wear resistance, impact resistance, and acrylic polyurethane paint is the opposite.
Matching primer: acrylic primer is one component acrylic primer. Acrylic polyurethane paint can be matched with polyurethane primer, epoxy primer (rich in zinc, iron red, zinc yellow) and other kinds of two-component primer.
Acrylic polyurethane paint has better weatherability than single component acrylic paint in anticorrosion function. It has better solvent resistance, acid and alkali resistance and salt spray resistance. It can be used as external anticorrosion topcoat for machinery, equipment and machine tools in general environment.
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