Users can provide a variety of internal coating (including no internal coating, iron-based phosphating coating) samples from the steel drum manufacturer to conduct a compatibility immersion test for more than 6 months and similar storage and transportation conditions to analyze whether the coating has changed or not. Whether the pigment contained in it is dissolved out is determined by the user to select the appropriate type of inner coating. There is a protective layer of mineral oil on the surface of the non-inner-coated board. Please pay attention to the impact on your product.
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