The standard "HG/T 3668-2009 zinc-rich primer" specifies the classification, technical requirements, test methods, inspection rules, marking, Encasement and storage requirements of zinc-rich primer. The standard applies to multi-component Coatings composed of zinc powder, inorganic or organic paint base, curing agent and solvent, mainly for rust protection of steel substrates. The standard does not apply to non-zinc-rich Coatings containing less than 60% metallic zinc, ensuring the conformity and Reliability of the Coatings in rust prevention performance.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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