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发表于 2007-6-26 18:19:17
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来自： 中国江苏苏州
具体请参考德国标准:EN 12476 Phosphate conversion coatings of metals
$ a+ M+ c0 y9 j ~5 p q3 M# c: j. v% b/ u; V4 }# U, l- {
, g8 O2 ?$ V$ C5 i4 I: t$ DEXAMPLE
5 z0 E! k# ^ G, u; H1 U" h. CDesignation 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); n7 Y( Y$ T2 `9 X( O" a* w
Phosphate conversion coating EN 12476-Fe/Znph/r/T2/T14 [ f6 V+ h: y% Q8 ^
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