|
Type
|
Salt Spray Testing
|
PCT Testing
|
Thickness
|
|
Blue white zinc trivalent chromium Blue ZN3+
|
24~48hours
|
|
5~8um
|
|
Color zinc trivalent chromium
Color ZN 3+ |
72hours
|
|
5~8um
|
|
Color zinc trivalent chromium
Color ZN 6+ |
96hours
|
|
5~8um
|
|
White zinc
|
1~2hours
|
|
5~8um
|
|
Normal roll coating
(Ni,NiCuNi,Black Ni,Cr,Au,Sliver) |
24~48hours
|
24~48hours
|
12~20um
|
|
Increase roll coating
(Ni,NiCuNi,Black Ni,Cr,Au,Sliver) |
72~96hours
|
72~96hours
|
15~25um
|
|
Normal hang coating
(Ni,NiCuNi,Black Ni,Cr,Au,Sliver) |
12~18hours
|
24~36hours
|
20~30um
|
|
Increase hang coating
(Ni,NiCuNi,Black Ni,Cr,Au,Sliver) |
24~36hours
|
48~72hours
|
25~40um
|
|
Roll coating(Ni+Sn)
|
48~72hours
|
48~72hours
|
15~25um
|
|
Hang coating(Ni+Sn)
|
24~48hours
|
24~48hours
|
23~33um
|
|
EPOXY
|
72~120hours
|
|
10~20um
|
|
NI+EPOXY
|
96~150hours
|
72~120hours
|
20~40um
|
|
ZN+EPOXY
|
96~150hours
|
|
15~25um
|
|
|
|
|
|
|
|
|
Black Ni Coaitng
|
|
Phosphating Coating
|
|
Au Coating
|
|
Black Epoxy Coating
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Blue and White Zn Coating
|
|
Cr Coating
|
|
Silver Coating
|
|
Colour Zn Coating
|
