Kiln Furniture Selection Criteria

Kiln & Heating

Kiln Furniture Selection Criteria

CerCo --
Material Type  

Fused Silica

 

Clay Bonded Fused Silica

 

Cordierite Thermal Shock Resistant

 

Cordierite Sag Resistant

 

Cordierite High Strength

Compositional Designations  

CerCoSil

 

C703,
C708

 

C080, C154, C455, C451, L138, L140, L183, L127, L155, C851, C864

 

C080, C154, C451, L140, L155, C851

 

C080, C851, C154, L116, L150

 
Parameter Units          
Bulk Density g/cc  

1.89

 

1.78-1.83

 

1.9-2.15

 

1.97-2.15

 

1.99-2.15

  lbs./ft.3  

118

 

111-114

 

119-134

 

123-134

 

124-134

Water Absorption %  

9.2

 

13.5-16.5

 

8.4-13.7

 

8.40-13.00

 

8.40-13.00

Open Porosity %  

15.6

 

25-31

 

18.5-26.1

 

18.50-24.25

 

18.50-22.10

Specific Gravity g/cc  

2.24

 

2.36-2.61

 

2.47-2.80

 

2.47-2.80

 

2.55-2.80

  lbs./ft.3  

140

 

147-163

 

154-175

 

154-175

 

159-175

Flexural Strength MPa  

13.8

 

7.90-8.30

 

5.17-15.86

 

9.31-16.03

 

15.51-25.51

  psi  

2000

 

1150-1200

 

750-2300

 

1350-2325

 

22.50-3700

Thermal Expansion ppm/C  

1.3

 

1.55-2.5

 

1.68-3.25

 

2.05-3.25

 

3.02-3.85

  ppm/F  

0.7

 

0.86-1.39

 

0.93-1.81

 

1.14-1.81

 

1.68-2.14

Max. Use Temp. C  

1650

 

1450

 

1300

 

1300

 

1300

  F  

3000

 

2650

 

2375

 

2375

 

2375

 

Material Type  

Alumina 80

 

Alumina 90

 

Alumina Zirconia Toughened

 

Zirconia

 

Silicon Carbide Oxide Bonded

 

Silicon Carbide Recrystallized

Compositional Designations  

A203

 

A101, AL142

 

A205, AL145

 

IQ-396-Z

 

K1328, K1346

 

RX21

 
Parameter Units          
Bulk Density g/cc  

2.9

 

2.88-2.98

 

2.72-2.96

 

5

 

2.45-2.66

 

2.65

  lbs./ft.3  

181

 

180-186

 

170-185

 

312

 

153-166

 

165

Water Absorption %  

5.8

 

3.75-5.00

 

7.80-8.25

 

2.2

 

1.40-7.00

 

3.1

Open Porosity %  

16.7

 

11.20-14.00

 

21.30-24.00

 

11

 

16.00-22.00

 

18

Specific Gravity g/cc  

3.5

 

3.36-3.38

 

3.46-3.91

 

5.7

 

2.70-3.05

 

3.22

  lbs./ft.3  

218

 

210-211

 

216-244

 

356

 

168-190

 

201

Flexural Strength MPa  

15.45

 

12.90-20.41

 

12.41-18.96

 

55.2

 

18.96-24.13

 

110.3

  psi  

2240

 

1870-2960

 

1800-2750

 

8000

 

2750-3500

 

16000

Thermal Expansion ppm/C  

6.23

 

5.96-6.10

 

6.00-7.00

 

6.05

 

4.66-4.88

 

4.5

  ppm/F  

3.46

 

3.31-3.39

 

3.33-3.89

 

3.36

 

2.59-2.71

 

2.5

Max. Use Temp. C  

1550

 

1650

 

1650

 

1650

 

1200

 

1650

  F  

2825

 

3000

 

3000

 

3000

 

2200

 

3000

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