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What is the spray distance of PTFE anti-corrosion spraying related to?

Ptfe anti-corrosion spraying is a relatively widespread spraying method, controlling the spraying interval can not only reduce pollution, but also reduce the cost, so it is very important to improve the utilization rate of paint.

Sep 29,2024

Ptfe anti-corrosion spraying is a relatively widespread spraying method, controlling the spraying interval can not only reduce pollution, but also reduce the cost, so it is very important to improve the utilization rate of paint.

The spray flow should be straight with the spray painting surface. When the spray painting surface is flat, the nozzle and the spray painting surface should be 250 ~ 350mm apart, and the spray painting surface should be an arc surface. The distance between the nozzle and the spray surface should be about 400mm. When spraying, the movement of the nozzle should be uniform, the speed should be maintained at 10 ~ 18m/min, and the compressed air pressure used for spraying should be 0.2 ~ 0.4MPa.

How to calculate the area of anti-corrosion spraying? Each coating manufacturer is based on the volume of their own product solid fraction and proportion to calculate the theoretical cost, if the data is not true or not precise que, the theoretical cost per square meter obtained must be untrue. Some users also realized that the theoretical cost declared by the manufacturer alone could not accurately reflect the actual situation, so they came up with some methods, and the paint sample was provided by the paint manufacturer to carry out the tetrafluoron spraying test, record the paint consumption, uniform dry film thickness and coating area, and then calculate and compare.

Whether the distance between the spraying interval of the four-fluorine anti-corrosion spraying is appropriate determines the quality of the spraying effect, so the spraying master should have a higher experience, which is also the reason why the more qualified manufacturers have higher prices.

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