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Calcium carbonate
Calcium carbonate
Product Name：Calcium carbonate
Chemical Formula：CaCO3
Relative Atomic Mass：100.09
C A S NO.: 471-34-1
EINECS NO.: 207-439-9
H.S.Code::2836500000
Main specifications: 400mesh--5000mesh
Product introduction：White powder
Introduction：No heavy crystals, Reduce specific gravity and increase powder loading rate; Increase coverage, replace barium sulfate, reduce cost. It has the advantages of good dispersion, high whiteness and good optical properties
Rubber industry: Calcium carbonate is used in rubber products. the higher the absorption oil value, the better the wetting and reinforcing properties of rubber.
The plastics industry: Calcium carbonate is used in plastic products, reduce cost, improve stability, hardness and steeliness, improve the processing performance of plastics. Improve its heat resistance, It has obvious effects on improving heat resistance, astigmatism, abrasion resistance, smoothness, toughening of notch impact strength and viscosity flow in mixing process.
Coating industry: Calcium acid added to the coating, can be used as a whitening of high quality filler, improve the coating, paint glossiness, at the same time play a strengthening role.
Printing ink industry: Calcium carbonate is used in ink products, showing excellent dispersion, excellent gloss and hiding power, as well as excellent ink absorption and drying.
Application：Widely used in wire and cable, molding products, hard pipe, special-shaped pressure, floor tile, film, powder coating, synthetic resin, oil paint, emulsion paint, primer paint, shoes, tires, sponge, rubber paste, rubber lining, belt hose, toothpaste, cosmetics, acid neutralizer and other industries.
Technical indicators:
|
Testing Items |
YL-3000 |
YL-2800 |
YL-2500 |
YL-1250 |
|
|
Specifc Surface Area |
CM2/G |
23000士500 |
18500士500 |
14500士500 |
12000士500 |
|
Average Parcicle Size |
MICRON |
0.8士0.1 |
1.3士0.1 |
1.5士0.1 |
2.7士0.1 |
|
True Specific Gravity |
TON/M3 |
2.7 |
2.7 |
2.7 |
2.7 |
|
Bulk Density Tapped |
C.C./G |
0.55 |
0.63 |
0.7 |
0.83 |
|
Moisture |
% |
0.25Max |
0.25Max |
0.25Max |
0.25Max |
|
Oil Absorption Value |
C.C./100G |
42 |
38 |
35 |
32.5 |
|
Water volume |
C.C./G |
64 |
61 |
57 |
54 |
|
DOP absorb |
C.C./100G |
62 |
60 |
57 |
55 |
|
Residue On 325 Mesh |
% |
0 |
0 |
0 |
0 |
|
PH值 |
9士0.5 |
9士0.5 |
9士0.5 |
9士0.5 |
9士0.5 |
|
Sediment Volume |
30min(c.c.) |
82 |
77 |
71 |
66 |
|
Sediment Volume |
60min(c.c.) |
77 |
72 |
67 |
45.5 |
|
Whiteness |
° |
97士1 |
97士1 |
97士1 |
97士1 |
Calcium carbonate Component analysis table:
|
loss on ignition |
43.50% |
MgO |
0.16% |
|
CaO |
55.00% |
Al2O3 |
0.20% |
|
Fe2O3 |
0.02% |
H₂O |
0.20% |
|
SiO₂ |
0.20% |
HCl |
0.20% |