耐磨砖

牌号
Brand

DT-NM70

DT-NM80

DT-NM90

产品名称
Name of product

高铝质耐磨砖
High alumina Abrasion Resistance Brick

化学成分（%）
Chemical Composition

AL2O3

≥70

≥80

≥85

SiO2

≥25

≥15

≥10

耐压强度(MPa)
Cold crushing Strength

≥60

≥80

≥100

抗折强度(MPa)
Modulus of Rupture

≥10

≥12

≥14

热震稳定性
(900℃-水冷Cold Water)(次)
Thermal shock Resistance

≥20

≥25

≥30

抗耐磨性(cc)
Abrasion resistance

≤9

≤8

≤6

导热系数(1000℃以下)
Thermal Conductivity (W/m·k)

≤1.5

≤1.5

≤1.5

最高使用温度℃
Max. Service Temperature

1400

1500

1600

应用
Application

中温强度高，高温体积稳定，耐磨损，抗熔渣侵蚀。返料器、省煤器炉墙、混合室内墙等部位
High strength in medium temperature, stable volume in high temperature, wear-proof, anti-slag corrosion, material returner, coal-saver furnace wall and mixing chamber inner wall etc.