calcined kaolin clay, kaolin powder, white kaolin

calcined uses of kaolin in refractory material                           

Chemical properties:

Al2O3: 44-48%

SiO2: 50%-53%

Fe2O3: 0.8% max

TiO2: 1.4% max

CaO+MgO: 0.5% max

K2O+Na2O: 0.4% max

Moisture: 0.3% max

L.O.I: 0.25% max

Size: 

Sand: 0-1mm, 1-3mm, 3-5mm, 5-8mm, 16-30 mesh, 30-60 mesh,60-80mesh

Flour: 200mesh, 270 mesh, 325 mesh.

(Special sizes can be produced based on request)

Features:

1) High refractoriness.

2) Physicochemical stability.

3) Volume density high .

4) Low porosity.

5) Low water absorption.

6) Fully calcined

7) Low impurity content.

8) Pure white.

Applications:

Calcined kaolin is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.