GB/T 35074-2018 Impregnating coal pitch

GB/T 1999-1980 Sampling method for light oils of coking products GB/T 1999-2008 Sampling of coking oil products GB/T 2000-2000 Coking solid products—Sampling GB/T 2288-1980 Method for the determination of water content of coal —Carbonization products GB/T 2288-2008 Coking products—Determination of moisture content GB/T 2291-2016 Method for preparation of coal tar pitch specimens GB/T 2292-1997 Coking products—Determination of toluene insoluble content GB/T 2292-2018 Determination of toluene insoluble content for coking products GB/T 2293-1997 Solid products of coal carbonization—Determination of quinoline-insoluble GB/T 2293-2008 Pitch products of coal carbonization—Determination of quinoline-insoluble GB/T 2293-2019 The method of quinoline-insolube for pitch products of coal carbonization GB/T 2294-1997 Solid products of coal carbonization—Determination of softening point GB/T 2294-2019 Determination of softening point in solid products of coal carbonization GB/T 2295-2008 Determination of the ash content of coking solid products GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8727-1988 Method for determination of coking value of coal pitch GB/T 8727-2008 Method for determination of coking value of coal pitch products GB/T 10454-2000 Flexible freight container GB/T 10454-2025 Packaging—Flexible intermediate bulk containers(FIBCs) for non-dangerous goods