GB/T 5137.4-2020
Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic

Standard No.

GB/T 5137.4-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 5137.4-2020

Replace

GB/T 5137.4-2001

Scope

This part of GB/T5137 specifies the solar ultraviolet transmittance, solar direct transmittance, solar direct reflectance, solar direct absorption ratio, solar infrared direct transmittance, solar infrared direct reflectance, solar The test method of solar energy characteristics of light infrared direct absorption ratio, total solar energy transmittance, solar infrared thermal energy total transmittance. This section applies to the test of solar energy characteristics of automotive safety glass.

GB/T 5137.4-2020 Referenced Document

• EN 673 Glass in building - Determination of thermal transmittance (U value) - Calculation method
• GB/T 2680 Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors*， 2021-03-09 Update
• GB/T 2680-1994 Determination of light transmittance,solar direct transmittance,total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors
• ISO 9050:1990 Glass in building; determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance, and related glazing factors
• QC/T 1119 
• QC/T 1119-2019 

GB/T 5137.4-2020 history

• 2020 GB/T 5137.4-2020 Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic
• 2001 GB/T 5137.4-2001 Road vehicles--Safety glazing materials--Method for the determination of solar transmittance

GB/T 5137.4-2020 -All Parts