High strength lightweight insulating refractory castable

Item

TD-0.8

TD-1.0

TD-1.2

TD-1.4

Bulk density g/cm³110×24h

≤0.9

≤1.1

≤1.3

≤1.5

Cold crushing strength,

Mpa

110×24h, ≥

3

5

10

12

815×3h, ≥

2

3

7

9

Modulus of rupture, Mpa

110×24h, ≥

1.5

1.5

2.5

3.0

815×3h, ≥

1.0

1.0

1.5

2.0

Thermal conductivity 350 W/m.k

0.21

0.25

0.30

0.35

Permanent linear change %, 815×3h

0.30

0.30

0.30

0.30

Working temperature

800

800

800

800

Way of usage

Daubing or casting

Daubing or casting

Daubing or casting

Daubing or casting