SiO2
|
AL2O3
|
Fe2O3
|
CaO
|
72.72%
|
13.01%
|
1.15%
|
1.07%
|
MgO
|
K2O
|
Na2O
|
IG
|
1.46%
|
1.92%
|
1.77%
|
4.16%
|
型号
|
R—1
|
R—2
|
R—3
|
R—4
|
用途
|
不锈钢
|
铸钢
|
铸铁
|
铸铜、铝
|