具体请参考德国标准:EN 12476 Phosphate conversion coatings of metals! K' _: A" ?$ h7 _7 d
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Designation of a zinc phosphate type coating (Znph) applied to ferrous metal (Fe) to give corrosion protection ® at a mass per unit area of 3g/m2 ± 0.9 g/m2 (3) and for which the after-treatments are sealing (T2) and painting (T1) ' b6 s9 @7 E0 b! n6 p/ t( |, dPhosphate conversion coating EN 12476-Fe/Znph/r/T2/T1& F" Z& {6 L0 h8 A6 [# x$ G
发表于 2007-6-26 09:11:39
