牌號
Brand

DT-NM70

DT-NM80

DT-NM90

產品名稱
Name of product

高鋁質耐磨磚
High alumina Abrasion Resistance Brick

化學成分（%）
Chemical Composition

AL2O3

≥70

≥80

≥85

SiO2

≥25

≥15

≥10

耐壓強度(MPa)
Cold crushing Strength

≥60

≥80

≥100

抗折強度(MPa)
Modulus of Rupture

≥10

≥12

≥14

熱震穩(wěn)定性
(900℃-水冷Cold Water)(次)
Thermal shock Resistance

≥20

≥25

≥30

抗耐磨性(cc)
Abrasion resistance

≤9

≤8

≤6

導熱系數(shù)(1000℃以下)
Thermal Conductivity (W/m·k)

≤1.5

≤1.5

≤1.5

最高使用溫度℃
Max. Service Temperature

1400

1500

1600

應用
Application

中溫強度高，高溫體積穩(wěn)定，耐磨損，抗熔渣侵蝕。返料器、省煤器爐墻、混合室內墻等部位
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.