Precipitated Calcium Carbonate, Activated Calcium Carbonate, Oyster Shell Powder, Precipitated Silica, China Clay Powder, Calcite Powder, Whiting Powder, Mumbai, India

Appearance

Bright White Powder

Calcium Carbonate Content

97.50 % +/- 1.0%

Grade	Bulk Density (gm/ml)	Average Particle Size (micron)	Flow Point (ml./15 gms)
F	0.36 - 0.44	5.6	27.4
H	0.45 - 0.55	8.5	20.0
L	0.56 - 0.64	10.6	13.8

Fineness Residue on Sieve by weight

0.2% Max. (300 mesh)

Alkalinity

0.22 Max.

Moisture

0.8 % Max.

Specific Gravity

2.65

Solution in Hydrochloric Acid 5 N

Clear

Soluble Alkali (as Na₂ O)

Less than 0.15%

9.5 +/- 0.5

Loss on drying at 105 °C + 5 °C

0.5 - 0.8 %

Iron as Fe

Less than 0.01 %

Manganese as Mn

Less than 0.003%

Copper as Cu

Negligible

Arsenic as As

Nil

Chloride as CI

Traces

Fluoride as F

0.05 % Max

Phosphate as P04

0.05 % Max.

Sulphate as S04

0.02 % Max.

Silica as Si02

Less than 0.05 %

Aluminium, Iron, Phosphates and
matter insoluble in Hydrochloric Acid

Less than 0.5 %

Magnesia as Mg0

Less than 0.5 %

Analysis Report Of Precipitated Calcium Carbonate Nircal

Appearance	White
Caco3 Content	97 % +/- 1.0%
Bulk Density	0.38-0.45
Average Particle Size (Micron)	9-13
Flow Point ml/15gm	22-26
Fineness residue on Sieve by weight	0.1% (250 Mesh)
Soluble Alkali (As Na2O)	upto 0.22% max.
Specific Gravity	2.60 to 2.80
Solution in Hydrochloric Acid 5 N	Clear
pH	9.5 +/- 0.5 %
Loss on Drying at 105°C + 5°c	0.60% max.
Iron as Fe	0.02 % max.
Manganese as Mn	0.005 % max.
Copper as Cu	50 PPM, max.
Arsenic as As	Nil
Chloride as CL	Traces
Fluoride as F	Traces
Phosphate as PO4	Traces
Sulphate as SO4	Traces
Silica as SiO2	0.1% max.
Aluminium, Iron, Phosphates and Matter insoluble in Hydrochloric Acid	0.50% max.
Magnesia as MgO	0.50% max.