GB/T 46231.1-2025
ActivePlastics—General test method for polyurethane raw materials—Part 1:Determination of hydroxyl number of polyols by NIR spectroscopy
塑料 聚氨酯原材料通用测试方法 第1部分：近红外光谱法测定多元醇羟值
Application Summary AI generated
This standard specifies a test method for determining the hydroxyl number of polyols used in polyurethane production using near-infrared (NIR) spectroscopy. It is applied in the quality control and raw material testing of polyurethane foams, elastomers, and coatings within the plastics and chemical manufacturing industries. The method serves as a rapid, non-destructive alternative to traditional wet chemistry techniques for production and laboratory environments.
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