This standard specifies the toluene-2,6-diwaxylate, didecylmethane-4,4-diisocyanate, methyl-2,4-diisocyanate, Determination method of Cai-1,5-diisofluorate, decyl isocyanate, hexamethylene diisocyanate, cyclohexyl isocyanate and the total amount of the above 7 kinds of isocyanates. This standard is applicable to toluene-2,6-diisofluorate, diphenylmethane-4,4-diisocyanate, methyl tea-2, all diisocyanate, Cai-1,5-diisocyanate in polyurethane plastics and their products Detection of isocyanate, capricyl wax cyanate, hexamethylene diisocyanate, cyclohexyl isoflurate and the total amount of the above 7 kinds of isocyanates. 2 principles
GB 31604.45-2016 history
2016GB 31604.45-2016 National food safety standard Determination of isocyanates in food contact materials and products
2009GB/T 23296.22-2009 Food contact materials.Determination of isocyanates in plastics.High performance liquid chromatography