Development characteristics of the global refractory industry

The development of the global refractory industry has the following characteristics: Through mergers and acquisitions, reorganization, and elimination of backwardness, the concentration of refractory industrial production has been increased. Merges, mergers, reorganizations, and natural elimination in the operation of the market economy since the 1990s in developed countries have increased the concentration of production, such…

Test of waste magnesia carbon brick becomes hot repair material for converter

Magnesia-carbon brick test Raw material The main raw materials used in the test are waste magnesia-carbon brick particles (5~3, 3 ~1, and≤1mm), MS95 sintered magnesia fine powder (≤0.074mm), and modified asphalt (≤0.15mm, softening point 112.5 ℃, Coking value 58.2%) is the binder , Ⅰanthracene oil (density 1.04 ~ 1.15g · cm-3, coking value 0.56%) is…