Unburned Magnesite bricks Excellent ability of high refractoriness,anti-erosion of alkaline residue.Unfired Magnesite brick Unburned Magnesite bricks:Excellent strength of abrasion proof,anti-erosion and low porosityExcellent anti-oxidation, anti-slag, anti-erosion ability;Excellent thermal stability and spalling resistance;Refractoriness high on the alkaline resistance good gases; Easy to use, ...