GB/T 46021-2025 Active National standards

GB/T 46021-2025 Test and evaluation methods for solar and thermal comfort of automotive safety glazing

GB/T 46021-2025 Test and evaluation methods for solar and thermal comfort of automotive safety glazing

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46021-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: The vehicle body (cab) and its accessories

ICS Name: The car body and its accessories

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Pages: 24 pages

Scope

This document specifies the assignment of values to evaluation items, test methods, evaluation methods, and reporting requirements for the thermal comfort of automotive glass.
This document is applicable to the thermal comfort testing and evaluation of automotive safety glass.

Development Information

Word Count: 28 Thousand words Pages: 24 pages

Referenced Standards

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 GB/T 2680-2021 Glass in building—Determination of light transmittance,solar direct transmittance,total solar energy transmittance,ultraviolet transmittance and related glazing factors GB/T 5137.2-2020 Test methods of safety glazing materials used on road vehicles—Part 2:Optical properties tests GB/T 5137.4-2020 Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic GB/T 11976-2002 Graduation and test method of daylighting properties for windows GB/T 11976-2015 Graduation and test method of daylighting properties for external windows GB/T 15488-1995 Color filter glass GB/T 15488-2010 Colour filter glass GB/T 42788-2023 Terms of smart glass JJF 1615-2017 Calibration Specification for Solar Simulators QC/T 1119-2019 QC/T 1119-2019 Automotive Safety Glass Terminology ISO 9050:2003

Related Standards

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