GB/T 4293-1984
abolished_transferred
T/GXAS 225-2021
Active
Group standards
T/GXAS 225-2021 Production Technical Regulations for Calcium Carbonate in the Paint Industry
T/GXAS 225-2021 Production Technical Regulations for Calcium Carbonate in the Paint Industry
Price:
$ 20.00
Basic Information
Standard Code:
T/GXAS 225-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Food
ICS Name:
Salt
Publish Date:
2021-09-10
Implement Date:
2021-09-17
Scope
Scope: This document establishes the production process of heavy calcium carbonate for the coatings industry, and stipulates the requirements for safe production, facilities and equipment, raw materials and auxiliary materials, as well as the operating instructions for each stage of the process, including cleaning and removing impurities, coarse crushing, fine crushing, screening, powder grinding and grading, material collection, surface treatment, and packaging. This document is applicable to the process of producing heavy calcium carbonate for the coatings industry using calcite, marble, and limestone as raw materials through dry grinding. Main technical content: This document establishes the production process of heavy calcium carbonate for the coatings industry, and stipulates the requirements for safe production, facilities and equipment, raw materials and auxiliary materials, as well as the operating instructions for each stage of the process, including cleaning and removing impurities, coarse crushing, fine crushing, screening, powder grinding and grading, material collection, surface treatment, and packaging. This document is applicable to the process of producing heavy calcium carbonate for the coatings industry using calcite, marble, and limestone as raw materials through dry grinding.
Development Information
Related Standards
GB/T 6275-1986
Abolished
GB/T 6275-1986 Ammonium hydrogen carbonate for industrial use
GB/T 6276.1-1986
Replaced
GB/T 6276.1-1986 Ammonium hydrogen carbonate for industrial use—Determination of total alkalinity—Volumetric method
GB/T 6276.2-1986
Replaced
GB/T 6276.2-1986 Ammonium hydrogen carbonate for industrial use—Determination of chloride content—Potentiometric method
GB/T 6276.3-1986
Replaced
GB/T 6276.3-1986 Ammonium hydrogen carbonate for industrial use—Determination sulphide content—Visible turbidimetric method
GB/T 6276.4-1986
Replaced