Home / Standards / GB/T 28859-2025 GB/T 28859-2025 Active Epoxy powder encapsulation material for electronic packaging 电子封装用环氧粉末包封料 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A