GB/T 17850.4-2017
ActivePreparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 4:Coal furnace slag
涂覆涂料前钢材表面处理 喷射清理用非金属磨料的技术要求 第4部分：煤炉渣
Application Summary AI generated
GB/T 17850.4-2017 specifies technical requirements for coal furnace slag used as a non-metallic abrasive in blast-cleaning operations to prepare steel substrates before applying paints or protective coatings. It is applied in industries such as shipbuilding, bridge construction, and heavy machinery manufacturing, where surface preparation of steel components is critical for coating adhesion and corrosion protection. The standard defines particle size distribution, hardness, and chemical composition limits to ensure consistent cleaning performance and minimize contamination risks during surface preparation.
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