How to calculate the price cost of factory plastic spraying?

According to powder 18 yuan per kg, 1 kg spray 7-9 squares. Spraying is 2-3 yuan per square meter, plus the phosphating cost is about 0.3 yuan, and the labor cost, electricity fee and other expenses are estimated to be about 3-4 yuan. The main material is powder, which has a great difference in quality and will cause price changes.

Plastic spraying is a surface treatment method of spraying plastic powder on parts. Plastic spraying, that is, electrostatic powder spraying, is a commonly used international metal surface treatment and decoration technology since the 1980s.