In order to enhance the adhesive power between color coated steel sheets organic paintings and substrate, and improve the corrosion resistance of coating products. The surface process before coating the substrates have 2 crafts. They are ungrease treatment and chemical conversion film treatment. By the experiences of production process, CAMELSTEEL will introduce the ungrease treatment briefly.
1. Chemistry cleaning. People use organic solvent, surface active agent solution and alkali solution to soak and spout metals’ surface to purify greasy.
2. Polish-brush cleaning. The passivated film produced in the passivation treatment, together with the local rust and attaching dunghills should be handled by polish-brush before smearing the organic painting. The polish-brush cleaning makes the substrate surface to be active.
3. Electrolysis cleaning. Electrolysis cleaning could solve the substrate surface treatment problems about machincal and chemical cleaning. And it help the substrate to produce a microcosmic even rough surface to improve its adhesive force.
CAMELSTEEL consistently carry out the policy of “Customer first, employees of the second, third shareholders” and the tenet of “Treat people with sincerity, start business with trustiness”. We insist brand building of main line, market demand oriented, not afraid to innovate, keep providing the first-class service and quality products for customers indeed.