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    Home > Coatings News > Paints and Coatings Market > Coating knowledge: powder coating formula: crack powder coating

    Coating knowledge: powder coating formula: crack powder coating

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: crack powder coating has many advantages of thermosetting powder coating After coating, beautiful crack pattern will be formed, and can be adjusted according to the shape of workpiece and the size of crack shape Crack powder coating is widely used in toys, crafts and other fields Crack powder coating uses the changes of melting viscosity, surface tension and curing speed of powder coating during baking and curing to cause the shrinkage of coating surface and form crack effect The common way to form cracks: by adding texture additives (such as flocculent, wrinkle agent, etc.), the amount of such additives is very small, and they need to be mixed evenly to get uniform and stable wrinkles Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: crack powder paint has many advantages of thermosetting powder paint After coating, beautiful crack patterns will be formed, and can be adjusted according to the shape of the workpiece and the size of the crack shape Crack powder coating is widely used in toys, crafts and other fields Crack powder coating uses the changes of melting viscosity, surface tension and curing speed of powder coating during baking and curing to cause the shrinkage of coating surface and form crack effect The common way to form cracks: by adding texture additives (such as flocculent, wrinkle agent, etc.), the amount of such additives is very small, and they need to be mixed evenly to get uniform and stable wrinkles The reference formula is as follows: polyester p5086:35, epoxy e-12:35, precipitated barium sulfate: 29.2, cab551-0.0:20.1, carbon black dl-430:0.6, adding 0.6% silver powder and 0.1% floating agent K30 in the bottom powder High speed mixer is required Extrusion temperature: 110-120 baking temperature: 200 * 30 precautions: ① in the process of powder coating spraying, the thickness of the coating is uniform and appropriate, too thick will cause blurred crack boundary; too thin will easily cause problems such as bottom exposure and shrinkage; ② it is recommended that the spraying sequence be from high to low First spray the secondary surface, then spray the main surface It is better to finish the spraying at one time Some dead corners need to be partially repainted, which will make the original part of cracks disappear; ③ to achieve the best spraying effect, before construction, the material shall be screened with a slightly larger screen, and various process parameters such as the air pressure of powder discharge, atomization pressure, distance between nozzle and workpiece, removal speed of spray gun shall be adjusted, which is the best effect ④ Crack powder coating is not resistant to wiping and easy to fade [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. "Paint group: 92525666] coatings house is focused on coatings, diatom mud, paint and coatings, coating technology, fire retardant coatings news information and coatings, diatom mud, paint and coating, coating technology, fire retardant coatings decoration knowledge and decoration effect map.
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