操人视频91_被两个男人吃奶添下面视频_伦理天堂电影_日本欧洲一区二区

M系列莫來石

品種

Al2O3（%）

Fe2O3（%）

K2O+Na2O

體密g/Cm3

氣孔率

莫來石相

耐火度℃

M47

45-49

<=1

<=0.3

>=2.6

<=3

55-65

1780

M60

58-62

<=1.3

<=0.3

>=2.7

<=3

70-80

1800

M70

68-72

<=1.5

<=0.3

>=2.8

<=2

85-90

1800

DM（低鐵）系列莫來石

DM45

43-47

<=0.4

<=0.3

>=2.6

<=3

50-60

1780

DM60

58-62

<=0.5

<=0.3

>=2.66

<=3

70-80

1800

DM70

68-72

<=0.6

<=0.3

>=2.7

<=3

85-90

1800

按客戶要求生產不同系列人工合成耐火原料