Raw Inorganic Chemicals
Ground calcium carbonate (GCC)
CAS No:
471-34-1
Products No:
1016-GCC
ENICES No:
207-439-9
RTECS No:
FF9335000
W.F. / M.F.
CaCO3 /100.1
UN No:
Ref. Price:
FOB USD /MT
Synonyms:
Calcium carbonate; Limestone; Ground Calcium Carbonate; Heavy Calcium Carbonate;GCC.
More Details:
Standard HG/T 3249-2013 is seperated as: i) HG/T3249.1-2013 For papermaking industrial use; ii) HG/T3249.2-2013 for paint and coating industrial use; iii) HG/T3249.3-2013 for plastic industrial use; iv) HG/T3249.4-2013 for rubber industrial use.

Ground Calcium Carbonate (GCC)

Chemical names: Calcium carbonate, carbonic acid calcium salt
CAS No.: 471-34-1
Synonyms: Ground Calcium Carbonate; GCC; Heavy Calcium Carbonate; Calcium carbonate; Carbonic acid calcium salt (1:1) ; Limestone; Calcite; Aragonite; Chalk; Marble; Vaterite; Pearl; Oyster; Calcium monocarbonate ; Calciumcarbonat; Carbonate de calcium ; Calcium Milk;Carbonate, Calcium; Milk of Calcium.
Chemical formula CaCO3
Formula weight 100.09
Assay Not less than 98.0% after drying
Appearance: Odourless, white micro-crystalline powder
Applications: Calcium Carbonate has the widely applications as follows:
Building & Construction
Boards & Fiber Packaging
Adhesive, Caulk & Sealant
Films & Plastic Packaging
Oilfield Solutions
Coal Mine Safety
Environmental applications
Food & Beverages
Paint & Coating
Nonwovens & Fiber
Pharmaceuticals
Paper
Plastics
Rubber
Scaling in swimming pools
Description: Calcium Carbonate is white, odorless powder or colorless crystals. Practically insoluble in water.
Fine calcium carbonate is a white, odorless powder or colorless crystals. Practically insoluble in water. Occurs extensive in rocks world-wide. It is a common substance found in rocks as the minerals Limestone (CAS No.1317-65-3), such as Calcite (CAS No.13397-26-7); Marble (CAS No.1317-65-3); Aragonite (CAS No.14791-73-2).etc. And it is the main component of pearls and the shells of marine organisms, snails, and eggs.etc.

Ground calcium carbonate (GCC) (CAS: 471-34-1) results directly from the mining of limestone. It is made of natural carbonate minerals such as calcite, marble, limestone and so on after mechanical grinding mill. The extraction process keeps the carbonate very close to its original state of purity and delivers a finely ground product either in dry or slurry form.

Ground calcium carbonate (GCC)

Ground calcium carbonate (GCC) is a common inorganic filler powder, has high chemical purity, the inertia big, not easy to chemical reaction, good thermal stability, does not decompose under 400 ℃, high whiteness, low oil absorption rate, low refractive index, soft, dry and without water of crystallization, low hardness abrasion value of small, non-toxic, tasteless, odourless, good dispersion, etc.

According to the need for different particle size requirements of :
Ground Calcium Carbonate (GCC) , also named as Heavy Calcium Carbonate, (China Standard: HG/T 3249-2001, Heavy Calcium Carbonate and Actived Heavy Calcium Carbonate for industrial use.)
(China Standard: HG/T 3249-2013 Heavy Calcium Carbonate for industrial use. )

ANALYSIS ITEMS

STANDARD

Heavy Calcium Carbonate(GCC)

Activated Heavy Calcium Carbonate (AGCC)

Calcium Carbonate purity (Dry basis as CaCO3)

%,

98

96

94

98

96

pH Value

 

8.0-10.0

8.0-10.5

--

8-10

8-10

105 volatile matter content

%,

0.4

0.5

1.0

0.5

0.7

Insoluble matter in HCL

%,

0.5

0.7

1.0

0.5

0.7

Iron (Fe)

%,

0.025

0.10

 

0.10

0.10

Manganese (Mn)

%,

0.006

 

 

0.006

0.008

Copper (Cu)

%,

0.001

 

 

 

 

Sieve residue content

45µm

%,

0.5

0.5

 

0.5

 

125µm

%,

0.005

0.010

 

0.010

 

Whiteness

%,

92

90

 

90

 

Loss on ignition (LOI)

 %

43.0-44.5

42.0-44.5

41.0-44.5

 

 

Activation grade

%,

 

 

 

95

90

Oil absorption ((g/100g

%,

 

 

 

80

 

Mesh: 400-1000

 
Standard HG/T 3249-2013 is seperated as:
i) HG/T3249.1-2013 For papermaking industrial use;
ii) HG/T3249.2-2013 for paint and coating industrial use;
iii) HG/T3249.3-2013 for plastic industrial use;
iv) HG/T3249.4-2013 for rubber industrial use.
According to high fineness of particle size, we call as Ultrafine Ground Calcium Carbonate, or, Nano-calcium carbonate (NGCC); (China Standard: GB/T 19590-2004)

 

 

 


 

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