This standard specifies the classification, classification, requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of heavy calcium carbonate used in the plastics industry. This standard applies to heavy calcium carbonate for the plastics industry made by grinding calcite, marble or limestone as raw materials and active heavy calcium carbonate for the plastics industry made by surface treatment. This product is used as a filler in the plastics industry.
HG/T 3249.3-2013 Referenced Document
GB/T 191-2008 Packaging.Pictorial marking for handling of goods
GB/T 19281 Analytic method for calcium carbonate*, 2014-07-08 Update
GB/T 19587 Determination of the specific surface area of solids by gas adsorption using the BET method*, 2017-09-29 Update
GB/T 23774-2009 Inorganic chemicas for industrial use.General method for the determination of whiteness
GB/T 23947.2-2009 Inorganic chemicals for industrial use.General method for determination of arsenic content.Part 2:Gutzeit method
GB/T 6678 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
HG/T 3696.1 Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis.Part 1:Preparations of standard volumetric solutions
HG/T 3696.2 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 2: Preparations of standard solutions for impurity
HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions
HG/T 3249.3-2013 history
2013HG/T 3249.1-2013 Heavy calcium carbonate for paper industrial use
2008HG/T 3249.1-2008 Heavy calcium carbonate for paper industrial use
2002HG/T 3249-2001 Heavy calcium carbonate for industrial use