GB/T 32469-2016 Plastics—Polyurethane raw materials—Toluene diisocyanates

GB/T 325.3-2010 Packaging container—Steel drums—Part 3:Non-removable head(tight head)drums with a minimum total capacity of 212 L,216.5 L and 230 L GB/T 6678-2003 General principles for sampling chemical products GB 190-1990 Labels for packages of dangerous goods GB 190-2009 Packing symbol of dangerous goods GB/T 605-1988 Chemical reagent—General method for the measurement of colour(in Hazen units) GB/T 605-2006 Chemical reagent—General method for the measurement of colour GB/T 6680-2003 General rules for sampling liquid chemical 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 12009.2-1989 Isocyanates—Determination of hydrolyzable chlorine content GB/T 12009.2-2016 Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 2:Determination of hydrolysable chlorine GB/T 12009.4-1989 Polymethylene polyphenyl isocyanate—Determination of isocyanate content GB/T 12009.4-2016 Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 4:Determination of isocyanate content GB/T 12009.5-1992 Isocyanates—Determination of acidity GB/T 12009.5-2016 Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 5:Determination of acidity GB 12463-1990 General specifications for transport packages of dangerous goods GB 12463-2009 General specifications for transport packages of dangerous goods GB/T 32471-2016 Plastics—Determination of the isomer ratio in toluene diisocyanates for use in the production of polyurethanes GB/T 32477-2016 Plastics—Determination of total chlorine content in toluene diisocyanates for use in the production of polyurethanes