牌號
Brand

DT-HD

DT-HL

DT-LL

DT-LLG

DT-JL

DT-HN

DT-LN

DT-VN

產(chǎn)品名稱
Name of product

低蠕變高鋁磚
Low creep high alumina brick

復合莫來石磚
Combined mullite brick

堇青石磚
Cordierite brick

低蠕變粘土磚
Low creep clay brick

致密粘土磚
High dense clay brick

化學成分(%)
Chemical Composition

Al2O3

80±5

75±5

65±5

65±5

55±5

42±5

40±5

42±5

MgO

≤2.0

Fe2O3

≤1.5

≤1.5

≤1.5

≤1.0

≤1.5

≤1.5

≤2.0

≤1.5

顯氣孔率(%)
Apparent Porosity

≤21

≤20

≤21

≤20

≤25

≤22

≤24

≤16

體積密度(g/cm3)
Bulk Density

≥2.7

≥2.7

≥2.6

≥2.6

≥2.3

≥2.2

≥2.1

≥2.3

常溫耐壓強度(MPa)
Cold crushing Strength

≥55

≥60

≥55

≥70

≥40

≥40

≥30

≥45

耐火度(℃)
Refractoriness

≥1850

≥1790

≥1790

≥1790

≥1750

≥1730

≥1750

荷重軟化溫度T2(℃)
Refractoriness Under Load

1600

1600

1600

1600

1400

1400

1350

1400

蠕變率0.2MPa(50h)(%)
Creep

1500℃ ≤0.8

1400℃ ≤0.6

1300℃ ≤0.8

1200℃ ≤1.0

1100℃ ≤1.0

熱震穩(wěn)定性(次)
1100℃-水冷Cold Water
Thermal shock Resistance

≥6

≥6

≥20

≥25

≥25

≥20

≥20

≥20

重燒線變化率(%)
Permanent linear change

1500℃ ±0.1

1500℃ ±0.1

1450℃ ±0.2

1450℃0-0.4

1450℃0-0.3

1450℃0-0.4