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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" w. r7 O- E! K+ |
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EXAMPLE; {& o: e' E6 K) ~& x9 K. d
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)$ [& i! _( X+ L9 [
Phosphate conversion coating EN 12476-Fe/Znph/r/T2/T1
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