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씀|
SiO2
|
Al2O3
|
Fe2O3
|
MgO
|
CaO
|
NaO
|
PHƽ¾ùÖµ
|
75¡«98%
|
1.0¡À0.2%
|
0.9¡À0.3%
|
0.7¡À0.1%
|
0.3¡À0.1%
|
1.3¡À0.2%
|
ÖÐÐÔ
|