耐磨砖

FYZNG-1

FYZNG-2

FYZNG-3

FYZNG-4

AL2O3  %

≥85

≥75

≥65

≥80

SiO2

≤15

≤25

≤35

--

Fe2O3

≤1.0

≤1.2

≤1.5

≤1.5

重烧线变化 %

≤0.05

≤0.1

≤0.1

≤0.05

体积密度 g/cm3

≥2.9

≥2.6

≥2.5

≥2.6

耐压

强度MPa

110℃×24h

≥100

≥85

≥70

≥100

1000℃×3h

抗折

强度MPa

110℃×3h

≥15

≥12

≥12

≥15

1000℃×3h

显气孔率 %

≤18

≤20

≤21

≤18

耐磨性CC

≤6

≤7

≤8

≤5

导热系数W/m.k

≤1.8

≤1.8

≤1.5

≤1.0

耐火度  ℃

≥1790

≥1790

≥1790

≥1790