粒度/mm

≤1.25

≤1.00

≤0.50

≤0.35

≤0.088

≤0.044

烧后线变化/MPa

1500℃

+0.96

+1.12

+1.28

+1.34

+1.50

+1.53

耐压强度/MPa

1500℃

95

102

105

118

136

140

抗渣指数/%

侵蚀

渗透

80

38

77

35

75

35

75

30

65

25

62

20