Home / Standards / GB/T 46021-2025 GB/T 46021-2025 Active Test and evaluation methods for solar and thermal comfort of automotive safety glazing 汽车玻璃光热舒适性测试评价方法 Standard Type GBT ICS 43.040.60 CCS T26 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 工业和信息化部 Drafting Unit N/A