T/QGCML 169-2021
Polyurethane material for coal mine water plugging (English Version)

Standard No.

T/QGCML 169-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/QGCML 169-2021

Scope

This document specifies 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 water blocking in coal mines. This document applies to the production and inspection of polyurethane materials used for water blocking in coal mines.

T/QGCML 169-2021 history

• 2021 T/QGCML 169-2021 Polyurethane material for coal mine water plugging