<正>YB/T4319-2012 1 Scope This standard specifies the definition,classification,technical requirements,test methods,quality appraisal procedure,packing,marking,
Cr2O3 can be sintered well at 1 500 ℃ in carbon-embedded condition or H2 atmosphere. But the high chrome bearing refractories can not reach densification when
<正>Nanshu Town is a famous graphite town of Laixi City.Nanshu Town has 46 graphite enterprises with scattered distribution,incomplete industry chain,low output
The effects of corundum, magnesia and spinel additions on rheological properties of matrix of bauxite-based castables were studied using bauxite, fused white co
The characteristics of hercynite including crystal structure,chemical compositions and physical properties, R & D background of hercynite,synthesis problems of