RCF KAOLIN CLAY A.K.A CHINA CLAY

Aluminium Silicate (2H2O.AI2O3.2SiO2)

General Description

RCF Kaolin clays are hydrous aluminium silicates and for clay to be called kaolin it should be beneficiated to a white nearly white colour and should fire white or nearly white. it ordinarily occurs as very granular, very slightly plastic white clay but rarely crystallises in minute rhombi or six-sided monocline scales or plates.

Typical Chemical Analysis

AI2O3 …………………37.98%

ALI ………………………16.57%

FeO3 ……………………..1.14%

Na2O …………………….0.48%

MgO ………………………0.40%

SiO2 ……………………45.65%

K2O ………………………0.35%

CaO ………………………0.24%

MnO ………………………0.02%

PHYSICAL PROPERTIES

Grading: Max 1% on 270 mesh BSS

Colour: off white (pink)

S.G: 4g/cm (minimum)

Hardness: 1 to 2.5

Specific Gravity: 2.6 to 2.63

Oil Absorption: 39g/100g

Packaging: 50kg polypropylene bags

Index of refraction: 1.561

Melting point: 18500C

 

USES

RCF kaolin is highly recommended in ceramics, high grade tiles, porcelain, pottery, picture moulding, glazing etc. It is used as fillers in rubber, paints, plastics, paper, animal feeds and as a carrier in insecticides manufacture.

 

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Disclaimer

This technical information is submitted on the basis of our own research and the research of others, and we believe it is accurate. However, no guarantee of its accuracy is made neither can we cover every possible application of our products nor can we anticipate every variation encountered in manufacturing equipment and methods. For this reason our products are sold without warranty, express or implied, and also on the condition those purchasers conduct their own tests to determine the suitability of such products for their particular purposes. Statements concerning the possible use of our products are not intended as recommendations to use our products in the infringement of any patent.