The introduction of the surface treatment technology in the United States belongs to the category of environmental protection, but it is different from the traditional dacroa.
The characteristics and advantages are:
ØLow temperature 200℃, zero effect to performance of parts
ØNo acid bath process, zero effect to spring steel parts
Ø Long anti-corrosion life,could be made up to 2000 hours salt apray testing.
ØSelf-repair after hurting
ØThinner coating layer, no reduction to thread precision