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Acrylic polyurethane paint is an excellent choice for outdoor anti-corrosion products

Author:    Date:2017-8-4 17:47:50

Ordinary anti-corrosion products after a long period of use, paint the appearance of the appearance, such as bleak, rough surface, serious fade phenomenon will appear. In order to use it for a long time, it is necessary to use the paint to have excellent weather resistance. The so-called weather resistance is light resistance, UV resistance, weather and snow frost and other climatic conditions. If the paint used in outdoor can not meet these properties, Sexual factors will cause damage to the paint coating corrosion, not to mention the film of the light, color performance, many anti-corrosion products, weathering performance is superb, bright, strong color retention, the wider application is Acrylic resin composed of acrylic paint, and fluorocarbon resin composed of fluorocarbon paint, both belong to the top coat varieties, with the corresponding matching primer, can be excellent Of the anti-corrosion effect. Outdoor paint based on the length of corrosion, given a reasonable anti-corrosion package:

(1) 7-8 years of use period, 3-5 years will not have significant fading, loss of light, 7-8 years lost light, the range of fading within the allowable range, and no powder phenomenon, you can use acrylic polyurethane paint.

(2) 10-15 years of use period, 7-8 years will not have significant fading, loss of light, 10 years or so fade, loss of light within the allowable range, and no powder phenomenon, you can use fluorocarbon finish The

(1) steel structure substrate, need to support epoxy zinc-rich primer (substrate sandblasting or grinding treatment), epoxy iron red primer, special material special primer Zinc, stainless steel),

(2) external wall coating, need to support epoxy closed primer + light gray epoxy primer + epoxy paint. Acrylic polyurethane coating has good adhesion, toughness, abrasion resistance, elasticity and acid resistance, alkali resistance and chemical resistance of atmospheric, weather resistance, color protection, high gloss and decorative, and better Temperature resistance (resistant to 160 ℃). Drying speed, at 0 ℃ when the normal curing, a film thickness, less construction, the use of general construction methods can be. Fluorocarbon paint and ordinary paint how to distinguish:

1, solvent resistance can not be used, with alkyd thinner, can be soft to the alkyd paint, but almost no effect on the fluorocarbon paint. (After both are cured for 7 days);

2, self-cleaning, dust, oil and other fluorocarbon paint surface adhesion is poor, easy to clean. This is also the difference between the fluorocarbon paint and the vast majority of paint. In general, there is no complete fade, without losing the light of the paint, from the objective point of view, weatherability, light, color retention of the product, in the face of a variety of outdoor corrosive factors, the film There is loss of light, fade slower, and more uniform, it will not appear powder phenomenon, if there is powder phenomenon, most likely caused by human factors.

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