具体请参考德国标准:EN 12476 Phosphate conversion coatings of metals . ] \9 v( s" \6 O" I; a) H- m 4 y. Y( S/ j8 h% A+ Z" B ) e7 \" w/ ]7 I/ M
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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) & U+ {6 b% e) o9 bPhosphate conversion coating EN 12476-Fe/Znph/r/T2/T1 7 o, G4 v( b |( c
发表于 2007-6-26 09:11:39
