Coating process for special modified solvent-free epoxy coating for glass reinforced plastic
An epoxy coating and coating process technology, which is applied to the device, coating, special surface and other directions of coating liquid on the surface, which can solve the problem that the coating structure is not dense, the surface finish is poor, and cannot meet the requirements of long-term heavy-duty anti-corrosion. Coating performance and other issues, to achieve the effect of adapting to a wide range of environments, good thick coating, and satisfying the performance of long-term heavy-duty anti-corrosion coatings
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[0021] The coating process of the special modified solvent-free epoxy paint for FRP of the present invention will be further described below.
[0022] The coating process of the specially made modified solvent-free epoxy coating for FRP for FRP of the present invention comprises the following steps successively:
[0023] 1) Substrate surface treatment: Before starting surface treatment, it is necessary to check whether there are welding slag, burrs, loose scale, corrosion products, old coatings, oil, grease and other deposits on the surface. Treatment, surface pre-treatment can be done by solvent cleaning, hand or power tools or other cleaning methods. After cleaning, the surface should be inspected again to ensure that any harmful residue can be easily removed in the next blast cleaning operation. ;
[0024] According to the spraying (throwing) derusting method and abrasive requirements stipulated in ST / T0407, the surface of the steel pipe is sprayed (throwing) sanded for de...
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