塑料 聚乙烯醇材料(PVAL) 第7部分:氢氧化钠含量测定
Plastics-Poly(vinyl alcohol)(PVAL)materials-Part 7:Determination for sodium hydroxide contents
Plastics-Poly(vinyl alcohol)(PVAL)materials-Part 7:Determination for sodium hydroxide contents
Plastic-Poly(vinyl alcohol)(PVAL)materials Part 6 :Determination for particle size
Plastic-Poly(vinyl alcohol)(PVAL)materials-Part 4:Determination for pH value
Plastics-Aromatie isocyanates for use in the production of polyurethane Part 4:Determination of isocyanate content
Plastics-Aromatic isocyanates for use in the production of polyurethane Part 2 : Determination of hydrolysable chlorine
Plastic-Poly(vinyl alcohol)(PVAL)materials Part 2:Determination of properties
Plastics-Polymethylene polyphenyl isocyanate-Part3 :Determination of viscosity
Plastic-Poly(vinyl alcohol)(PVAL)materialsnPart 3 :Specification
Plastics-Polyether polyols Part 7:Determination of viscosity
Plastics-Polyether polyolsnPart 5:Determination of acidity as acid number