Product

Vermiculite fire brick

Density

400,450,500,600,700,800,900kg/m3

Specification

2400×1220mm,2100×900mm,1000× 610mm, irregular vermiculite products.

Customized size are available

Thickness

20-50mm

Packing

Strong wooden pallet, coated with film

Si

(%)

Al

(%)

Fe2O3

(%)

TiO2

(%)

MgO

(%)

GaO

(%)

K2O

(%)

Na2O

(%)

Loss on ignition @1000°C

41.20

12.68

4.06

1.33

24.22

0.96

5.97

1.60

6.0~7.5

Maximum service temperature (°C)

1100

Continuous working temp (°C)

1000

Compressive strength (Mpa)

0.8-3

Total porosity (%)

60-74

Liner reheat shrinkage (24H @ 900°C %)

<3

Thermal conductivity (W/mk)

@200°C

@400°C

@600°C

0.1-.04

0.12-0.16

0.14-0.18