GB/T 46231.1-2025

Plastics—General test method for polyurethane raw materials—Part 1:Determination of hydroxyl number of polyols by NIR spectroscopy

STANDARD published on 29.8.2025

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The information about the standard:

Designation standards: GB/T 46231.1-2025
Note: Execute Date: march 2026
Publication date standards: 29.8.2025
Country: Chinese technical standard
Category: Technical standards GB