T/QGCML 298-2022
Polyurethane material for coal mine spraying plugging (English Version)

Standard No.

T/QGCML 298-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/QGCML 298-2022

Scope

This document stipulates the terms and definitions, product models, principles of action, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of polyurethane materials used for spraying and blocking wind in coal mines. This document is applicable to the production and inspection of polyurethane materials used for spraying and blocking wind in coal mines.

T/QGCML 298-2022 history

• 2022 T/QGCML 298-2022 Polyurethane material for coal mine spraying plugging