Abref Private Ltd.
An ISO 9002 Company 
Manufacturers of Cordierite Kiln Furniture 
  1. Deck Slabs
  2. Perforated Slabs
  3. Props
  4. Profile Setters
  5. Cranks
  6. Special Shapes
  7. Cordierite Properties
  8. Tolerance
  9. Silicon Carbide Properties
  10. Mullite Properties
  11. Insulation Bricks Properties

Deck Slabs

Various sizes available

270x220x20     330x300x25     450x340x30     650x420x38
300x300x20     350x330x25     480x400x30     650x590x38
330x240x20     400x400x25     470x370x30     615x600x38
360x370x20     500x450x25     495x475x30     690x660x38
400x400x20     500x500x25     495x495x30
445x368x18     535x480x25     600x400x30
450x300x20     535x485x25     618x610x30
450x450x20     600x400x25     500x500x35
618x610x25     673x660x35
650x490x35

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Perforated Slabs

Various sizes available


495x380x20(88 holes)
485x415x30(44 holes)
500x495x35(81 holes)
485x485x38(32 holes)

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Props

serial no. length resting surface
1 2" or 3" or 4" or 6" 40mm x 40mm
2 6" or 7" or 8" or 9" 75mm x 75mm
3 10" or 12" or 14" or 15" or 16" or 18" or 26" 125mm x 100mm
Round tube 64mm OD x 32mm ID x 505mm length
  78mm OD x 26mm ID x 380mm length
Tubular pillar+2 caps 64mm OD x 32mm ID
  length 50 to 505mm
Cap dimensions 120mm dia x 25 mm thick
  105mm dia x 25 mm thick
  125mm dia x 32 mm thick

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Profile Setters

5½" setter
6½" setter
8½" setter
10" setter
12" setter

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Cranks

Tea plate
Saucer plate
Soup plate
Dinner plate
Oval plate

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Special Shapes

Box deck setters for roofing tiles glazing
Vanity basin setters for sanitarywares
10" meal plate saggar
368mm x 300mm x 75mm saggar
325mm x 280mm x 75mm saggar
325mm x 325mm x 75mm saggar
260mm x 190mm x 90mm saggar
260mm x 190mm x 75mm saggar
380mm length x 78mm dia Round tube
505mm length x 64mm dia Round tube
360mm triangular plate of 18mm thickness
Triangular pins
Mug setters

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Properties

Cordierite kiln furniture properties

Maximum service temp( oC ) 1300
Bulk Density(gms/cc) 1.8 - 2.4
Apparent Porosity(%) 14 - 28
Hot modulus of rupture at 1200 oC(kg/cm2) 100 min
Thermal shock resistance VERY GOOD
Chemical Components(%)
Al2O3 35 - 48
SiO2 45 - 58
MgO 4 - 7
Major phases present Cordierite
Mullite

The above data are based on test results of standard bars and cubes and should not be taken as specification but for general guidance only.We have 4 different grades of Cordierite Kiln Furniture and we recommend the grade according to the service conditions of the user industry . In general,the properties fall within the data mentioned above.

 

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Tolerance


Length & Width +/- 3 mm
Thickness +/- 1 mm
Warpage(bend) diagonal length 0.5% max
Possible sizes within our manufacturing range(TILES)  
Length 750 mm
Breadth 660 mm
*Thickness 40 mm max & 15 mm min

(*Thickness selection based on length & width)

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Silicon Carbide Properties

TYPE SiC-90 SiC-85 SiC-65 SiC-35
CHEMICAL        
SiC(min) 82.0 80.0 60.0 32.0
Al2O3 ----- ----- 15/17 30/35
SiO2 ----- ----- 20/22 28/33
Fe2O3 0.5/1.0 0.5/1.0 0.75/1.25 1.0/1.5
PHYSICAL        
Max hot face temp(oC) 1550 1500 1550 1550
B.D.(gms/cc)(min) 2.45 2.40 2.40 2.20
CCS(kg/sq.cm)(min) 600 500 500 400
AP(%)(max) 15 20 20 25
MOR(kg/sq.cm)        
At RT (min) 150 150 100 75
At 1250 oC(min) 250 100 100 50
TC(w/m*k)at 1000 oC 14 13 11 7
The above data are based on test results of standard bars and cubes and should not be taken as a specification but for general guidance only.

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Mullite Properties

TYPE W E M
CHEMICAL      
AL203 75.0 75.0 50.0
FE203 0.5 1.0 1.5
PHYSICAL      
Max service temp(oC) 1750 1650 1500
Bulk density(gms/cc)(min) 2.5 2.5 2.0
Apparent porosity(%)(max) 20 20 25
CCS(kg/sq.cm)(min) 500 500 400
Modulus of Rupture(kg/sq.cm)      
At RT(min) 100 100 75
At 1350 oC(min) 50 75 50
Thermal Shock Resistance Good V.Good Good
The above data are based on test results of standard bars and cubes and should not be taken as a specification but for general guidance only.


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Insulation Bricks Properties

TYPE HI-28 HI-32
CHEMICAL ANALYSIS    
Al2O3 60(+/-)3 73(+/-)2
SiO2 37(+/-)2 23(+/-)1.5
Fe2O3(max) 1.0 0.5
PHYSICAL PROPERTIES    
Max hot face temp(oC) 1500 1750
Bulk Density(gm/cc) 1.0 to 1.2 1.3(+/-)0.5
Cold crushing strength 30-50 30-50
Reheat Change@1450 oC ,24hrs sealing(%) -0.5 -0.5
Thermal conductivity @1000 oC 0.50 0.65

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