GB/T 39798-2021

Active

Test methods for optical properties of glass used on multiple units

动车组玻璃光学性能试验方法

Standard Type
GBT
ICS
81.040.01
CCS
Q34
Status
Active
Issue Date
2021-03-09
Implementation
2021-10-01
Centralized Committee
中国建筑材料联合会
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 the test methods for evaluating the optical properties of glass installed on high-speed multiple units (EMUs), including transmittance, reflectance, and haze. It is applied in the manufacturing and quality inspection of train windows and windshields to ensure compliance with safety and visibility requirements for railway operators. The standard is critical for both glass producers and rail vehicle manufacturers during product development and certification testing.

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.