Refractory Clay insulating brick

 Item

NG-1.3

NG-1.2

NG-1.1

NG-1.0-

NG-0.8

NG-0.6

NG-0.4

Bulk density  /        (g/cm³⁾

1.3

1.2

1.1

1.0

0.8

0.6

0.4

Cold crushing strength /    Mpa

5.0

4.5

4.0

3.5

3.0

2.0

1.0

Permanent linear change temp. less than 2%,.C

1350

1350

1350

1350

1250

1200

1150

Thermal conductivity /

W/m.k 350.C+25

0.22

0.5

0.45

0.44

0.35

0.25

0.2