Insulating Castables 2800 degree 50lb

Insulating material that combines good insulating properties and mechanical strength. This material can be used as an exposed lining and resists up to 2800 ° F.

Baking: It is important to bake the refractories slowly to prevent them from cracking or bursting. After curing for 24 hours (drying of the fresh concrete), the refractory can be baked gradually at a rate of 25°C/h, stopping at 150°C, 315°C and 540°C for stages of a few hours (1h / inch of material).

K factor: 3.3 to 3.6 BTU / ft2 / Hr / ° F / in

Density: 94 lbs / ft3.

Sold in bag of 50 lbs

Mix with about 5.3L of water per bag