This Document describes a test method for determining the residual combustion length and flue gas temperature of building materials using a vertical combustion furnace. This Document applies to the determination of the flammability performance of building materials used in industrial and civil buildings; it may also be used as a reference for determining the flammability performance of materials used in other settings.
Basic Data
Standard ID
GB/T 8625-2026 (GB/T8625-2026)
Description (Translated English)
Test method of difficult-flammability for building material
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
C80
Classification of International Standard
13.220.40
Word Count Estimation
10,186
Date of Issue
2026-03-31
Date of Implementation
2026-10-01
Older Standard (superseded by this standard)
GB/T 8625-2005
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
