i guess it's galvanized. it's a pain in the butt to ensure the paint lasts. you need to clean and etch it first, then primer, then paint. spray is easier and helps avoid brush strokes. for fine patterns you need stencils.
y*i
3 楼
if it's galvanized, why bother painting it? to make it more beautiful?
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【在 m*******p 的大作中提到】 : i guess it's galvanized. it's a pain in the butt to ensure the paint lasts. : you need to clean and etch it first, then primer, then paint. spray is : easier and helps avoid brush strokes. for fine patterns you need stencils.