Technological method for performing static fluorocarbon spraying on surface of stainless steel
A process method, stainless steel technology, applied to the device for coating liquid on the surface, special surface, pretreated surface, etc., can solve the problems of poor adhesion between the coating film and stainless steel, unable to meet the actual use requirements, and limiting the application scope of stainless steel. , to achieve the effect of high work efficiency, easy control of surface quality and time saving
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[0018] Example 1
[0019] Take a stainless steel revolving door frame material as a sample, and perform conventional electrostatic fluorocarbon spraying on it. The specific steps are:
[0020] (1) Grind the sample with sandpaper to remove rust and scars on the surface;
[0021] (2) Rinse the polished sample with clean water, and then dry it for dehydration;
[0022] (3) Use a manual spray gun to perform conventional electrostatic fluorocarbon spraying on the samples that have undergone the above pretreatment, and use the DURANAR series PVDF paint produced by PPG company, the color is orange, the spraying pressure is 0.4MPa, the electrostatic voltage is 45KV, and the total dry film thickness is 60μm;
[0023] (4) Carry out high-temperature curing of the sample of step (3) at a curing temperature of 232°C and a curing time of 15 minutes to obtain a sample with an orange coating film on the surface.
[0024] Using the national standard GB / T9286-1998 cross-cut test method, the adhesion of th...
Example Embodiment
[0025] Example 2
[0026] Take the same stainless steel revolving door frame material as a sample, and spray it with the process method of the present invention. The specific steps are:
[0027] (1) Put the sample frame into the ALUETCH degreasing solution produced by Henkel Corporation and soak for 5 minutes to remove oil stains;
[0028] (2) Rinse the sample from which the oil has been removed with clean water, and then dry it for dehydration;
[0029] (3) Spray N7111-1 beco metal nano treatment agent with a manual spray gun on the surface of the sample after the above treatment, the spraying pressure is 0.4MPa, and the spraying thickness is 4 microns;
[0030] (4) Choose the DURANAR series PVDF paint produced by PPG company, orange color, adopt wet-on-wet coating operation, and perform conventional electrostatic fluorocarbon spraying on the surface of the sample sprayed with metal nano-treatment agent, that is, spray the primer first, then spray the top paint ,Finally, spray overcoa...
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