Main Category:
☆ QB—1 and QB—2
■ Material and Technique: made from high quality magnesia and high purity magnesia-dolomite clinker in appropriate granularity ratio
■ Properties: Having good sticking ability, low rebounding rate and high abrasion-resistance
■ Used for converter gunning repairs
☆ QB—5 and QB—6
■ Material and Technique: made from burned magnesia with addition of silicate
■ Properties: having good high-temperature performance and strong corrosion resistance
■ Used in EAF and refining furnace