E-Zinc plated double wall tube

Product Category:Zinc plated double wall tube series

Zinc can be plated on the surface of single wall and double wall tubes. Thickness of Zn layer is 6、12、25 um in order to improve corrosive resistance.

 

White rust and Red rust generation time

Unit：（hour）

 

Coating Code	White rust	Red rust	Experimental method
Fe/Z6/A	72	192	Perform the neutral salt spray test according to standard GB/T 10125
Fe/Z6/C	72	192
Fe/Z6/D	96	216
Fe/Z13/B	24	192
Fe/Z25/B	24	480
Fe/Z13/E	96	216

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