Has good thermal insulation effect, no pollution, no carbon dust on the molten steel quality, small, does not pollute the environment, has good spreadability, can evenly cover the ladle surface, no incrustation.

 

项　目	指　标
SiO2 ， %	12～25
CaO　， %	20～40
Al2O3 ， %	≤15
Fe2O3 ，%	≤4.5
C    ，%	≤10
R	≥1
堆积密度 ，g/cm3	≤1.0
熔点  ， ℃	1200～1350
粒度	0.2～10mm占≥80%
水分　，%	≤1.0