具体请参考德国标准:EN 12476 Phosphate conversion coatings of metals - L) f7 y* Y. V% H% k; { ]! V" N; w: }0 {6 Z' b& |) i
" e# \4 G/ p: K4 YEXAMPLE 8 a+ v0 k- x* t8 [3 V8 N0 k2 `0 rDesignation 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) 4 M a% k d: G, b: ?& Y; kPhosphate conversion coating EN 12476-Fe/Znph/r/T2/T11 [; a( L% l5 f
发表于 2007-6-26 09:11:39
