S. NO.

Properties

Unit

Typical Values

Guaranteed Mean

Test Method

1

Bulk Density

g/cc

1.58

≥1.55

YB/T119

3

Ash Content

%

4.5

≤6

GB/T 1429

4

Apparent Porosity

%

15.8

≤18

YB/T 908

5

Cold Crushing Strength

Mpa

32

≥30

GB/T 1431

6

Thermal Conductivity at

200℃

400℃

600℃

w/mk

11.3

13.5

14.7

≥10

YB/T 5291

7

Alkali Resistance

L. C.

YB/T 5213

Modulus of Rupture

Mpa

7.8

Main Application: Lower Hearth Bottom