具体请参考德国标准:EN 12476 Phosphate conversion coatings of metals 1 y! O/ P, ?& z$ X8 R( ]6 D. n) E
' h% F5 @) v% C3 c) P" }EXAMPLE / S' i ~* u! _' Q" Y' vDesignation 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) % z& t9 [' [9 [Phosphate conversion coating EN 12476-Fe/Znph/r/T2/T1 ! W; H4 O" d5 @