特种防渗干式捣打料工业窑炉耐火材料

性能properey

牌号brand

fggd-6

fggd-5

fggd-3

fggd-2

fggd-1

化学成分（%）

chemical composition

sio2≥

90

91

91

92

92

al2o3≤

0.5

0.5

0.5

0.5

0.55

sic≥

7

6

5

5

4

冷态耐压强度（mpa)

cold crushing strength

1250℃×3h

after firing at

15

15

12

12

10

烧后显气孔率（％）

apparent porosity after burnt

1250℃×3h

after firing at

23

24

24

24

24

烧后线变化率（％）

linear changing after burnt

1250℃×3h

after firing at

-0.5～+0.7

-0.3～+0.9

体积密度（g/cm3）

bulk density

1250℃×3h

after firing at

2.3

2.25

2.25

2.2

2.2

耐火度(℃)refractoriness≥

1790

1790

1790

1800

1800

Zui大集料粒度(mm)

max. grain size of aggregate

5

4.5

4.5

4.2

4.2

施工用量(kg/m3)amount for construction

2450

2450

2450

2450

2400

施工方式method of construction

振动或捣打jolt or ramming

应用 application

有色金属熔炼炉melting furnace for nonferrous metals

适用于150kw以上感应电炉

be the same with 150kw hereinbefore inductance furnace

特点characteristic

价廉保温节电不沾渣快速干燥化学结合耐侵蚀

抗渗透

cost down heat preservationeconomy electricity nostickslag

fast drying chemical bonded corrosion resistance

interfusion resistance