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Insulating Firebrick

Ningbo Forda Pipe Sealing Technology Co.,Ltd
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    Buy cheap Insulating Firebrick from wholesalers
    • Buy cheap Insulating Firebrick from wholesalers

    Insulating Firebrick

    Ask Lasest Price
    Brand Name : Seabol
    Certification : ISO,API
    Model Number : SLB-4208
    Price : 1~100USD/KG
    Delivery Time : 15-20days
    Payment Terms : TT,LC,DP
    Supply Ability : 500PCS/Month
    • Product Details
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    Insulating Firebrick

    Descrition:

    Insulating Firebrick / Mullite Brick/ High alumina brick with light weight has high mini-porosity arranged in average, keep furnace wall low radiation.They can be used for hot face lining directly exposed to the heat or as a backup insulation layer.Light weight means the lowest thermal storage, it's quicker to heat and cool, and permit rapid cycle work.They are used for 800C~1500C

    #Property

    Light weight and low thermal conductivity reduce the thickness of the insulating layer
    Maintain stable structural strength throughout ambient to maximum service temperature
    Low heat storage results in rapid cooling and heating operation
    Low iron and impurities to enhance reducing atmosphere;
    High thermal shock resistance in preventing spalling;
    Customize any size and shape
    High spalling resistance
    High hot compressive strength
    Accurate dimensions
    Roller kiln

    Application

    Rock wool products have the following application:

    Lining of high-temperature kilns of industrial ceramics, industrial furnaces
    Annealing furnaces
    Galvanizing furnaces
    Heat-treating furnaces
    Air-heating furnaces
    Naphtha cracking furnaces
    Ceramic shuttle kilns;Roller Kiln
    Metal heat treatment furnaces;
    Steel billet reheating furnaces;
    Oil refinery heaters;
    Laboratory furnaces;
    Reducing atmosphere furnace
    Gas producers

    Specification


    Product Grade(insulating firebrick)

    Grade

    SL4208-23

    SL4208-26

    SL4208-28

    SL4208-30

    SL4208-32

    Classification Temperature

    ° C

    1260

    1425

    1538

    1550

    1600

    Max Working Temperature

    ° C

    1100

    1300

    1400

    1450

    1500



    Chemical Composition

    Grade

    SL4208-23

    SL4208-26

    SL4208-28

    SL4208-30

    SL4208-32

    A l 2 O 3

    %

    40

    54

    62

    74

    80

    S iO 2

    %

    58

    44

    36

    24

    18

    Fe2 O 3

    %

    1

    0.8

    0.7

    0.6

    0.5

    CaO

    %

    0.5

    0.4

    0.3

    0.2

    0.1


    Physical Properties

    Grade

    SL4208-23

    SL4208-26

    SL4208-28

    SL4208-30

    SL4208-32

    Density

    k g / m 3

    800

    800

    900

    1000

    1100

    Thermal Conductivity
    W/(m. K)

    400

    ° C

    0.20

    0.26

    0.29

    0.31

    0.34

    600

    ° C

    0.24

    0.29

    0.32

    0.34

    0.39

    800

    ° C

    0.28

    0.32

    0.35

    0.38

    0.42

    Cold Crushing Strength

    Mpa

    1.1

    1.6

    2.0

    2.1

    2.2

    Modules Of Rupture

    Mpa

    1.0

    1.2

    1.5

    1.8

    2.0

    Thermal Expansion at 1000 ° C

    %

    0.46

    0.47

    0.48

    0.48

    0.48

    Reheat Shrinkage ° Cx8H

    %

    1300 ° C-0.2

    1400 ° C-0.4

    1500 ° C-0.4

    1550 ° C-0.38

    1600 ° C-0.38


    Available Size

    TK23

    SL4208-23

    SL4208-26

    SL4208-28

    SL4208-30

    230X114X65 or 230x114x75

    The size and shapes can be customized according requirement.

    Competitive Advantage:


    Competitive price, good quality


    Quality Insulating Firebrick for sale
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