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Guanya is the drafting unit for T/GBMA002-2020 Heavy Calcium Carbonate Standard for Plastic Industry

The main differences between the T/GBMA002-2020 standard for heavy calcium carbonate used in the plastic industry and HG/T3249.3-2013 are as follows:——Added rel···

Guanya is the drafting unit for T/GBMA002-2020 Heavy Calcium Carbonate Standard for Plastic Industry

The main differences between the T/GBMA002-2020 standard for heavy calcium carbonate used in the plastic industry and HG/T3249.3-2013 are as follows:——Added rel···

Guanya T/GBMA 004-2019 Nano Calcium Carbonate Standard Drafting Unit

1. Revised the definition of nano calcium carbonate.2. Modified the composition indicators of nano calcium carbonate.3. Modified the specific surface area index···

Guanya T/GBMA 004-2019 Nano Calcium Carbonate Standard Drafting Unit

1. Revised the definition of nano calcium carbonate.2. Modified the composition indicators of nano calcium carbonate.3. Modified the specific surface area index···

Guanya is an important drafting unit for the T/GBMA003-2020 Heavy Calcium Carbonate Standard for Coatings Industry

Guanya is an important drafter of the T/GBMA003-2020 standard for heavy calcium carbonate used in the coating industryThe main differences between T/GBMA003-202···

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