性能Properey

牌號Brand

AFC—1

AFC—2

AFC—9

ASC

化學成分（%）

Chemical composition

Al₂O₃≥

60

70

85

70

SiO₂≥

25

15

5

---

SiC≥

5

8

8

8

冷態耐壓強度（MPa）

Cold crushing strength

1250℃×3h

After firing at

8

10

12

10

顯氣孔率（%）

Apparent porosity

1250℃×3h

After firing at

25

25

24

24

燒後線變化率（%）

Linear changing after burnt

1250℃×3h

After firing at

-0.3～+0.8

-0.5～+0.6

體積密度（g./cm³）

Bulk density

1250℃×3h

After firing at

2.7

2.8

2.85

2.85

耐火度（℃）Refractoriness≥

1700

1750

1790

1790

施工用量（kg/m³）Amount for construction

2850

2950

3000

3000

施工方式  Method of construction

振動或搗打Jolt or ramming

應用

 Application

含鎳.鉻.鋁合金有色、黑色金屬熔煉爐

Melting furnace for nonferrous metals

特點

Characteristic

壽命長耐沖刷 耐侵蝕熱震穩定性好耐剝落

體積穩定礦化劑優質原料防污染

Timeproof Erode resistance Corrosion resistance

 Thermal shock resistance

Spalling resistance Volume stability Mineralizer

added  Perfect material  Antipouution