Calcined Clay

We are offering calcined clay.
calcined kaolin
origin: india
mineralogical composition: kaolinite - quartz
salient features:
excellent opacity
suspension agent
viscosity enhancer
anti caking agent
scrub resistance
enamel holdout
packaging: powder 25 kg bags
physical properties: typical
particle size distribution 45 micron) 0.05%
reflectance 91% (white in colour)
brightness (iso) 90 ± 1
paint drawdown brightness (iso) 81 – 82
refractive index 1.62
yellow index 2.5 to 2.7
ph value 5 to 7
flow point 70 – 85
bulk density (gms / ltr) 300 to 340
mohs hardness 2,0 – 2,5
moisture content 0.5%
specific surface area bet (m2/gm) 12 – 14
water absorption (ml/100gm) 75 – 90
oil absorption of powder (gm/100gm) 55 – 65
chemical analysis: typical
sio2 52 to 55%
al2o3 42 to 43%
fe2o3 0.35%
tio2 0.90%
cao 0.016%
mgo 0.065%
k2o 0.20%
na2o 0.13%
l.o.i. 0.50%
benefits: super optical properties, replace silicates, good hiding power, high gloss,
enhance paper processing efficiency, improve ink receptivity and offer more surface area.