Type Refractory & Insulation

Insulation Firebricks

Lightweight Insulation bricks

Firebicks refractories

Mortar/cement

 

 

Insulation Firebrick Grade-30 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

 

Classification temperature                                1550oC

Recommended interface temperature           1550oC

Recommended hot face temperature             1250 ­ 1450oC

 

 

 

ASTM

SPECIFICATION

AVERAGE

Bulk Density      

g/cm3

Group 26

 

1.0

Thermal Conductivity

W/mKkcal/moC)

at 350oC JIS R2616

 

0.38

Cold Crushing Strength

MPa

C93

1.5 mi n

2.8

Modulus of Rupture

MPa

C93

1.5 mi n

1.6

Reheat shrinkage

(oC x 8 hrs)

%

C210 JIS R26 13

0.5 max

0.38 (1550oC)

Thermal Expansion at 1000 oC

%

JIS R26 17

 

0.48

Chemical analysis

Al2O3

%

JIS R2216

 

70

Fe2O3    

%

JIS R2216

1.0max

0.7

Mortar

Mortar 1500

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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