super grade clacined Flint Clay

Calcined flint clay is a main raw material for manufacturing high grade refractory brick, various ceramics, precision casting sand, ceramic fiber, refractory furnace burden, crucible, kiln furniture, saggar, monolithic refractory materials, etc.Al2O3 content is from 40% to 50%.

Features and advantages of our flint clay:

1)  High refractoriness.  

2)  Good thermal stability under high temperature.

3)  Volume density high . 

4)  Low porosity. 

5)  Low water absorption. 

6)  Fully calcined  

7)  Low impurity content. 

Specifications of our calcined flint clay:

Particles: 0-1MM,1-3MM,3-5MM,5-8MM,8-MM

Powder: 200MESH,270MESH,325MESH

Physical and chemical indicators: