We offer our clients calcined china clays and calcined china clay, which are available in micronised powder form. These calcined china clays are used in various industries including paint, paper, rubber and PVC cable.

The specifications of calcined china clay are as follows:

PRODUCT NAME	CALCINED CHINA CLAY
Material In Form	Micronised Powder
Grade name	Calcined Clay
Application	Paint, Paper And Rubber, PVC Cables
Physical Parameter: -
Powder Brightness (%) ISO	92 ± 1
Water Panel Color Shade On Glass Plate	Pure White
Bulk Density (Kg/ Lit)	0.300 – 0.350
Ph (of 10 % solution)	5 – 7
Retention on 400 # calibrated sieve	0.1% Max.
Yellow Index	2 – 3
Oil Absorption (ml / 100gm)	55 – 65
Water Demand (ml / 100gm)	NA
Flow Point (ml/ 100gm)	80 – 100
Viscosity concentration on brookfield (at 100 RPM / spindal no. 3)	N.A.
Specific Gravity	2.5 – 2.7
Moisture Content (105°C / 1Hrs)	0.5 % Max.
Paper / Paint Drawn Down Appearance	Best
Dispersion Ability	Very Good
Hand Filling Smoothness	Smooth
% of TiO2 Replacement	15 % Min.
Hiding / Covering Ability	Very Good
Particle Size Distribution (On Sedigraph - 5100): -
Average particles d(50)µ	0.8 - 1.2 µ
% Above 10 µ	8 Max.
% Below 2 µ	67 Min.
% Below 1 µ	50 Min.
Chemical Composition: -
%SiO2	50 – 52
% Al2O3	42 – 44
% Fe2O3	0.5
% TiO2	0.5
% CaO	0.4
% MgO	0.3
% Na2O	0.2
% K2O	0.2
% L.O.I	0.5