GB/T 2007.1-1987
Active
T/QGCML 169-2021
Active
Group standards
T/QGCML 169-2021 Polyurethane material for coal mine water blocking
T/QGCML 169-2021 Polyurethane material for coal mine water blocking
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 169-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mining complex
ICS Name:
Mining and mineral products comprehensive
Publish Date:
2021-10-26
Implement Date:
2021-11-09
Scope
Main technical content: This document specifies the terms and definitions, product models, working principles, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polyurethane materials used for water blocking in coal mines. This document is applicable to the production and inspection of polyurethane materials used for water blocking in coal mines.
Development Information
Related Standards
GB/T 2007.2-1987
Active
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
GB/T 2007.3-1987
Active
GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation
GB/T 2007.4-1987
Replaced
GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
GB/T 2007.5-1987
Replaced
GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling
GB/T 2007.6-1987
Active