Precipitated Calcium Carbonate

Precipitated Calcium Carbonate: precipitated calcium carbonate (PCC) is an innovative product derived from lime, which has many industrial applications.  PCC is made by hydrating high-calcium quicklime and then reacting the resulting slurry, or “milk-of-lime”, with carbon dioxide.  The resulting product is extremely white and typically has a uniform narrow particle size distribution.  PCC is available in numerous crystal morphologies and sizes, which can be tailored to optimize performance in a specific application.

PRECIPITATED CALCIUM CARBONATE

CERTIFICATE OF ANALYSIS

GRADE	MICAL 11+	MICAL 11	MICAL 22+	MICAL 22
Appearance	Fine, white & bright powder. Free from impurities	Fine, white & bright powder. Free from impurities	Fine, white & bright powder. Free from impurities	Fine, white & bright powder. Free from impurities
Bulk Density (gm/ml)	0.44-0.46	0.50	0.62-0.64	0.76
% Assay (purity)	98.5 %	98.5%	99%	94%
% Whiteness+/- 0.5 (Aimil ref. Meter)	96%	96%	96.5%	96.5%
Water absorption (gm/100gm)	88	84-86	72-75	68-70
Structure	Calcitic	Calcitic	Calcitic	Calcitic
Total heavy metals	Below 20 ppm	Below 20 ppm	Below 12 ppm	Below 20 ppm
% Sieve retention on 325 mesh BSS	Nil	Nil	Nil	0.08
% Acid insoluble matter	0.2	0.2	0.2	0.3
% Loss on drying	0.35	0.35	0.30	0.30
Arsenic	< 1 ppm	< 1 ppm	< 1 ppm
Mercury	< 1 ppm	< 1 ppm	< 1 ppm
Antimony	< 1 ppm	< 1 ppm	< 1 ppm
pH	9.5 (+/-0.3)	9.5 (+/-0.3)	9.5 (+/-0.3)	9.5 (+/-0.3)
% Soluble alkali	0.10	0.10	0.10	0.20

 

MANUFACTURERS OF PCC & ACC

Works: N.H.8, Ajmer Beawar Highway, Vill. Mangaliyawas, Distt. Ajmer (Raj) INDIA