Home About Products Infrastructure People Vision CSR Gallery Connect
 
 
Test Results
 
Physical Analysis Natural White Siliceous Kaolin "Sandy Clay" Natural Snow
White Clay
Levigated Process
Clay P-400
Visual Appearance White Lumps White Lumps White Lumps
Slaking Nature Poor Slaking Medium Fast
Water of Plassticity Non Plastic 30% 38%
Casting Property[S.S.: STPP] Good / Ratio 1:1 [S.S. : STPP] Good / Ratio 1.1 [S.S : STPP] Good / Ratio 1:1
A] Viscosity Ford CupØ4 =22 Sec Ford Cup Ø4 = 19 Sec Ford Cup Ø4 = 20 Sec
B] Density 1.45 gm/cc 1.498 gm/cc 1.55 gm/cc
C] Workable electrolyte 0.10% 0.109% 0.10%
PH [20% Aqu.Sol.n] 7.77 7.63 7.76
TDS [20%Aqu.Sol.n] 140 ppm 130 ppm 160 ppm
a] Green MOR 3.65 Kg/cm 2 4.89 Kg/cm2 FORMING NOT POSSIBLE
b] Dry MOR 2.36 Kg/cm 2 2.46 Kg/cm2 N.A.
c] Fired MOR C Kg/Cm2 C Kg/Cm2 ºC Kg/Cm m
  1100 ºC 16.32 1100 ºC 12.31 1100 ºC N.A. 8
  1200 ºC 24.53 1200 ºC 29.93 1200 ºC N.A. 10
  1250 ºC 97.49 1250 ºC 58.62 1250 ºC N.A. 15
 
 
Chemical Analysis
 
  Sandy Clay Snow White Clay P-400 Clay (Alkali Powder) Natural Silica Washed Silica Alumina Clay Red Ocher
High Alumina
Red Ocher Yellow Ocher
L.O.I. 5.083 5.391 9.687 6.675 99.5 0.59 13.53 22.00 12 6.80
SiO 76.647 74.337 47.505 74.4042 0.15 95.68 45.44 12.0 12 73.94
Al2O3 13.614 16.616 38.118 15.344 0.031 2.96 36.12 50.00 35 11.21
TiO2 0.099 0.398 0.108 0.485 0.041 Trace 1.80 1.00 Trace 0.28
Fe2O3 0.327 0.323 0.495 0.459   0.07 1.34 3.00 40 5.74
CaO 1.160 0.577 0.094 1.190   0.11 0.78 0.50 0.5 0.19
MgO 0.219 0.360 0.277 0.209   0.08 Trace 0.20 Trace 0.07
NA2O 0.139 1.418 0.635 0.006   0.07 0.52 1.00   0.43
K2O 2.712 0.580 3.08 1.190   0.41 0.38 1.00   0.94
Na2O+K2O 2.851 1.998 3.716 1.196            
 
 
Colour Test
 
Sandy Clay
Temp.”C L a* b
1100”C 93.98 1.15 1.67
1200”C 91.76 1.09 3.30
1250”C 92.39 0.63 3.91
1300”C - - -
Snow white Clay
°C L a* b
1100 92.32 1.54 3.70
1200 92.32 1.04 3.38
1250 92.11 0.93 5.89
1300 - - -
Levigated clay P-400
°C L a* b
1100”c 89.38 3.07 5.14
1200”C 87.40 2.98 5.53
1250”C 82.27 1.18 7.28
1300”C - - -
White Gold alkali powder
°C L a* b
1100 - - -
1200 85.83 1.47 6.98
1250 - - -
1300 - - -
 
Test Method used: Chemical - ED - XRF Method, Colour Test - Colour Spectrometer (Cm2500d Minolta), Shirinkage, Water Absorption
Thermal Expansion Bahavior, Rational Analysis, Analysis of Particle size Distribution - All Fraction are available on request