GB/T 1633-2025

Upcoming

Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST)

塑料 热塑性塑料维卡软化温度(VST)的测定

Standard Type
GBT
ICS
83.080.01
CCS
G31
Status
Upcoming
Issue Date
2025-12-02
Implementation
2026-07-01
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 method for determining the Vicat softening temperature (VST) of thermoplastic materials, which measures the temperature at which a specified needle penetrates a specimen under a defined load and heating rate. It is applied in quality control and material characterization within the plastics industry, particularly for evaluating the heat resistance of thermoplastics used in products like pipes, automotive components, and consumer goods. The test is critical for ensuring materials meet thermal performance requirements during manufacturing and end-use applications.

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.