High Strength Refractory Castable

We are offering high strength refractory castable.
High strength refractory castable
1.description
it has features of low heating linar change,high temperature for use,low thermal conductivity.can be as a good save-energy materials in aluminum,steel&iron,or ceramic industries.
2.package:by woven bags or barrel on a non-fumigated pallet.
The customized package is available.
3.parameter
item data
chemical parameter sio2 45-55 %
al2o3 37-47%
fe2o3 1-3%
density ≥2.0gcm3
heating linar change
816℃ -0.1~-0.4%
900℃ -0.1~-0.5%
modulus of rupture 816℃ 1.0-2.5mpa
compressive strength 816℃ 8-16mpa
thermal conductivity 204℃ ≤0.54wm.k
429℃ ≤0.58wm.k
649℃ ≤0.64wm.k
871℃ ≤0.70wm.k
highest temperature to resist 1500℃