ASTM A123/A123M Requirements
· ●Coating Thickness / Weight
· -dependent upon material category and steel thickness
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· ●Finish
· -continuous, smooth, uniform
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· ●Appearance
· - free from uncoated areas, blisters, flux deposits and gross dross inclusions as well as having no heavy zinc deposits that interfere with intended use
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· ●Adherence
· - the entire coating should have a strong adherence throughout the service life of galvanized steel