Brand Name

- Alumina ( Al

2

O

3

)

- Maximum Service Temp. ( °C )

- Bulk Density ( g/cm

3

)

- Cold Crushing Strength ( kg/cm

2

)

Thermal Conductivity ( W/m.k )

- at 400°C

- at 700°C

- at 1000°C

ACR Ins. 30

30 - 35

1300

0.7 - 0.9 1.0 - 1.1

40 - 60 40 - 50

0.27 0.30

0.29 0.31

0.35 0.38

ACR Ins. 40

38 - 40

1350

0.7 - 0.9 1.0 - 1.2

40 - 60 40 - 50

0.36 0.36

0.40 0.42

0.48 0.50

ACR Ins. 50

50 - 52

1400

0.9 - 1.0 1.1 - 1.2

40 - 60 45 - 60

0.40 0.42

0.42 0.45

0.50 0.52

ACR Ins. 60

60 - 62

1450

0.9 - 1.0 1.1 - 1.2

50 - 70 40 - 60

0.43 0.45

0.46 0.49

0.53 0.55

ACR Ins. 70

70 - 72

1500

0.9 - 1.1

50 - 70

0.48

0.52

0.58