Lubricants,industrial oils and related products(class L)—Classification—Part 12:Family Q(Heat transfer fluids)
NEQ ISO 6743-12:1989
全国石油产品和润滑剂标准化技术委员会石油燃料润滑剂分技术委员会(SAC/TC 280/SC 1)
GB/T 7631的本部分规定了Q组(有机热载体)的详细分类。列入本分类的所有产品均属L类(润滑剂、工业用油和有关产品)。
本部分宜与GB/T 7631.1联系起来理解。
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