GB/T 12009.4-2016

Active

Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 4: Determination of isocyanate content

塑料 聚氨酯生产用芳香族异氰酸酯 第4部分:异氰酸根含量的测定

Standard Type
GBT
ICS
83.040
CCS
G31
Status
Active
Issue Date
2016-02-24
Implementation
2016-09-01
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、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a titration method for determining the isocyanate (NCO) content in aromatic isocyanates used as raw materials for polyurethane production. It is applied in quality control laboratories within the chemical and plastics industries to verify the reactivity and purity of isocyanate components before their use in manufacturing polyurethane foams, coatings, adhesives, or elastomers. The test is critical for ensuring consistent product performance and proper formulation in polyurethane processing.

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.