莫来石

70

68~72

≤1.5

≤0.4

≤0.4

≥2.80

≤0.8

70高纯

68~75

≤1

≤0.4

≤0.4

≥2.90

≤0.8

60

58~62

≤1.5

≤0.4

≤0.4

≥2.65

≤0.8

60高纯

58~62

≤1

≤0.4

≤0.4

≥2.70

≤0.8