Type Refractory & Insulation

Insulation Firebricks

Lightweight Insulation bricks

Firebicks refractories

Mortar/cement

 

 

Insulation Firebrick Grade-23 Lightweight (Mullite)

 

Karakterisitik:

a.          Kandungan iron oxide yang rendah

b.          Thermal conductivity yang rendah

 

Pemakaian:

a.          Hot face lining

b.          Back up insulation

c.          Reducing atmosphere furnace

 

Temperatur: 1260o C (2300o F)

 

 

ASTM

SPECIFICATION

AVERAGE

Bulk Density      

g/cm3

 Group 23

0.77 max

0.55

Thermal Conductivity

W/mKkcal/moC)

at 350oC JIS R2616

0.17

(0.15)

W/mKkcal/moC)

at 400oC ISO 8894

0.23

(0.20)

W/mKkcal/moC)

at 600oC ISO 8894

0.28

(0.24)

W/mKkcal/moC)

at 800oC ISO 8894

0.33

(0.28)

Cold Crushing Strength

MPa

C93

-

1.8

Modulus of Rupture

MPa

C93

-

1.2

Reheat Shrinkage

(oC x 24 hrs)

%

C210 JIS R26 13

2.0max

0.00 (1230oC)

(oC x 8 hrs)

%

C210 JIS R26 13

2.0max

0.20 (1300oC)

Thermal Expansion at 1000 oC

%

JIS R26 17

-

0.46

Chemical analysis

Al2O3

%

JIS R2216

-

40

Fe2O3    

%

JIS R2216

-

1.2

Mortar

Mortar 1300

Standard Packing

10 pcs / pack for standard size

 

 

Lightweight Brick Grade-23 (1230 C)

Lightweight Brick Grade-25 (1300 C)

Lightweight Brick Grade-26 (1400 C)

Lightweight Brick Grade-28 (1500 C)

Lightweight Brick Grade-30 (1550 C)

Lightweight Brick Grade-32 (1600 C)

 

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