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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.



              



                                                     


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Product specification

                  


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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