China Clay

China Clay

Preface:

The parent company of DB Group, Deedwaniya & Sons is the pioneer of China Clay in Rajasthan during the early 1960s. DB group is a synonym for quality, & quantity. DB Group owns multiple mines of China Clay in various regions of Rajasthan and other parts of India.


China Clay is mostly white in colour, earthy in form and smooth in feel. In India, china clay is used in processed and unprocessed forms. The processed china clay is used in large number of Industries such as rubber, textile, pharmaceutical, cosmetic, etc. However it is a principal raw material of ceramic industry. The unprocessed china clay is used in cement, insecticide and refractory industries.


DB group owns multiple mines of China Clay in various regions of Rajasthan with wide range of product to fulfil the demand of the industries.

Physical Composition
Contents China Clay
Natural Appearance White
Fineness Crude
Whiteness 80 ± 1
Fired Shrinkage@1220 2.0 ± 0.5
Water Absorption (%) N.A.
Water Plasticity (%) 22 ± 1
Dry MOR (Kg/cm2) 6.30
Fired MOR (Kg/cm2) 165.15
Moisture at 105 degree C Natural
Oil Absorption N.A.
PH Value N.A.
Moh’s Hardness N.A.
Specific Gravity N.A.
Tapped Bulk Density (gms/ml) N.A.
Matter Sol. In water N.A.
Color Spectrometry
“L” Value 90 ± 1
“a” Value Below 0.5
“b” Value 10 ± 2
Chemical Composition
SiO2 82
MgO 0.93
Al2O3 10 ± 2
CaO 0.13
Fe2O3 0.20
TiO2 0.79
Na2O 0.26
K2O 3.09
LOI 2.38
Physical Composition
Contents China Clay
Natural Appearance Grey
Fineness Crude
Whiteness 69.7 ± 1
Fired Shrinkage@1220 8.69
Water Absorption (%) 0.88
Water Plasticity (%) 22 ± 1
Dry MOR (Kg/cm2) 3.80
Fired MOR (Kg/cm2) 387.4
Moisture at 105 degree C Natural
Oil Absorption N.A.
PH Value N.A.
Moh’s Hardness N.A.
Specific Gravity N.A.
Tapped Bulk Density (gms/ml) N.A.
Matter Sol. In water N.A.
Color Spectrometry
“L” Value 88.7 ± 1
“a” Value 0.02
“b” Value 9.52
Chemical Composition
SiO2 75.62
MgO 1.12
Al2O3 15.20
CaO 0.55
Fe2O3 0.23
TiO2 0.60
Na2O 0.17
K2O 3.20
LOI 3.19
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