China Clay By Vishnu Mineral Industries

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By
incorporating rich industry experience, we are involved in offering
China Clay. This is a natural mineral found in partly
decomposed granite, which is an igneous feldsparic rock. Most
abundantly available clay in the Earth's crust, this is a earthy,
soft, usually white to off white and sometimes reddish in color. This
China Clay is carefully produced by our professionals by the
chemical weathering of aluminum silicate minerals like feldspar. This
clay is widely used in following industries:
Paint
industryPaper
industryElectrical
industryCosmetic
industry



Other Details:It is a hydrated aluminium silicate containing Al2O3.2SiO2.2H2O.
A) Physical Properties :

Form : Lump/Noodles/PowderAppearance : a) Before Firing : White/Off-White b) After Firing (SK-9) : White/Whitish
Moisture Content (Dried at 110 Deg C) : 10% max
Fluidity (Viscosity/100ml.) At 50% consistency using maximum 0.2% defloculant
(Sodium Silicate), the flow through 0.42 orifice)
a) Time (Sec.) : 7 max b) Casting Rate : 5-8 mm/30 min
Plasticity : Good
Bending Strength (Specimen to be prepared by Extrusion Method)
a) Green (Dried at 100 Deg C) : 15kg/cm2 min b) Fired at SK-9 (1280 Deg C) : 200 kg/cm2 min
Shrinkage (Liner) after
a) Green (Drying at 110 Deg C) : 4-6% b) Fired Shrinkage (at SK-9) : 8-10% c) Total Shrinkage : 12 -15%
Refractoriness : SK-35/36 (1770 - 1790 Deg C)
Porosity (SK-9) : 12% max
B) Chemical Properties :
Loss of Ignition : 13.5% maxSiO : 50% maxAl2O3 : 34% minFe2O3 + TiO2 : 1.5% maxCaO : 0.8% maxMgO : 0.5% maxKNaO : 1.5% max



Industrial Applications :
China Clay is the heart of several industries like potteries, tiles, ceramics, glass and others.





1. Paints


:


China Clay is used in wide varieties of paints like distemper, cement primer, wood primer, emulsion paint, texture coating, spray plaster, putties, fillers and undercoats.




2. Paper


:


It is used in varieties of papers, cardboards, hard boards and others.




3. Plastic


:


It is used as a filler in combination with others to impart strength and smoothness.




4. Electrical Industry


:


It is used for electrical insulation, high voltage insulation compounds electrical wires, EPDN rubberand others.




5. Cosmetic & Soap


:


China Clay is used in toothpaste, cosmetic and soap industry.







H.S.CODE NO.




Chinaclay whether or not calcined 2507Chinaclay wheather or not calcined 2507 00 Crude 2507 00 10Pharmaceutical grade 2507 00 21Ceramic grade 2507 00 22Others 2507 00 29