Uses and functions of natural refractory raw materials

Acidic raw materials Mainly siliceous raw materials, such as: quartz, quartz scale, square quartz, chalcedony, flint, opal, quartzite, white silica sand, diatomaceous earth, these siliceous raw materials contain silicon oxide (SiO2) at least 90%, pure ... Read more

Refractory materials for steel rolling heating furnaces

The refractory castables for rolling steel heating furnace are simpler and easier to construct than masonry with refractory bricks, with low engineering cost and short construction period. Compared with bricks, it can save energy about ... Read more

Refractory materials for steel ladles

Refractory materials for steel ladles (1) Clay bricks. The Al2O3 content in clay bricks is generally between 30% and 50%, and the price is low. Mainly used for ladle permanent layer and ladle bottom. (2)High ... Read more

Refractory balls for hot air furnace

1、High-alumina refractory balls Al2O3 mass fraction greater than 45%, alumina or aluminosilicate based refractory material is called high alumina refractory material. General high alumina refractory ball refractoriness of not less than 1750-1790 ℃, the load ... Read more

The role of metals in refractory materials.

Plastic phase forming: The metal will slip in the lattice under stress and has plastic characteristics. Introducing it into the refractory, it will play plastic forming characteristics during the forming process compared to the hard ... Read more