Light Calcium Carbonate, also named precipitated calcium carbonate, is a kind of active calcium carbonate. The manufactured process of light calcium carbonate is achieved by chemical synthesis. Because its settlement volume (2.4-2.8mL/g) is larger than that of the heavy calcium carbonate produced by mechanical method (1.1-1.9mL/g), it is called light calcium carbonate.
Light Calcium Carbonate Characteristics
* The particle size is smaller than that of heavy calcium carbonate; Better fineness.
* Better whiteness.
* Less impurities; high purity.
* The appearance is mainly spindle or spherical shape.
* Good dispersion
Light Calcium Carbonate Main Applications
Light calcium carbonate has a wide range of functions and can be used in the following industries:
1)The rubber industry: calcium carbonate is one of the earliest largest filling agents used in the rubber industry.
2)Plastics industry: calcium carbonate play a great role in the stability of plastic products, improve the hardness of the products, and improve the surface gloss and surface smoothness of the products.
3)Paint industry
4)Water-based coatings industry
Light Calcium Carbonate Technical data
Index
|
specification
|
CaCO3, % ≥
|
98
|
PH Value
|
9.0-10.0
|
105℃ volatile content,% ≤
|
0.4
|
insoluble matter content of hydrochloric acid,% ≤
|
0.1
|
sedimentation, ml/g ≥
|
2.8
|
Residue:
|
|
125um, % ≤
|
0.005
|
45um, % ≤
|
0.3
|
Fe content,% ≤
|
0.08
|
Mn content,% ≤
|
0.006
|
Whiteness≥
|
90
|
Light Calcium Carbonate Packing:
By 25kgs PP. Bags.