Refractory fiber insulating products

      With low thermal conductivity and good flexibility, refractory fiber products are supplied for manual smearing, casting, ramming or spraying for installation and repairing of insulating linings.



              



                                                     


产品规格

                  


Fiber felt for electric muffle furnace              Ceramic fiber module
Properties specification of Refractory fiber insulating products

 Type

SR-XW-1

SR-XW-2

SR-XW-3

Chemical analysis (%) ≥ 

Al2O3

45

60

70

Bulk density(g/cm3)

110℃×24h

1.0±0.1

0.8±0.1

0.6±0.1

Permanent change(%)

1000℃×3h

-1.0~0

(800℃)

-0.8~0

-2.0~0 (1200℃)

 

Compressive strength Mpa

 ≥

110℃×24h

0.50

0.70

0.40

1000℃×3h

0.50 (800℃)

0.70

0.40

1200℃×3h

0.50

 Thermal conductivity

W/ (m·K) ≤

700℃

0.25

1000℃

0.20

0.18

Service temperature (℃)

800℃

1000℃

1250℃

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