GB/T 46211-2025

Active

Plastics—Hardeners and accelerators for epoxide resins—Determination of free acid in acid anhydride

塑料 环氧树脂固化剂和促进剂 酸酐中游离酸的测定

Standard Type
GBT
ICS
83.080.10
CCS
G31
Status
Active
Issue Date
2025-08-29
Implementation
2026-03-01
Centralized Committee
中国石油和化学工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies a test method for determining the free acid content in acid anhydride hardeners used with epoxide resins. It is applied in the plastics and chemical industries, specifically for quality control of raw materials in the production of epoxy resin systems. The method ensures the purity and reactivity of hardeners for applications such as coatings, adhesives, and composite materials.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.