2、Coating Sandards:
Coating:Zinc
High temperature ageing: 250'C, no blister , no discoloring.
Sum-10um
Thickness : Sum -10um
Salt spraytest: 35C, 5%NaCl, 48hours
Adhesive force between the coating layer and magnet:
drop test:18m. S0times. coating can't peel off.
Flux loss: 100C "2hours , the rate af fu osss8%