Shijiazhuang Chenxing Industry Co., Ltd.
Main products:Quartz,Vermiculite Board,Mica,Perlite,Vermiculite
Products
Contact Us
  • Contact Person : Mr. Newman Thomas
  • Company Name : Shijiazhuang Chenxing Industry Co., Ltd.
  • Tel : 0086-311-67660216
  • Fax : 0086-311-67660316
  • Address : Hebei,Shijiazhuang,Liugou Indzone,Ciyu,Lingshou,Shijiazhuang,Hebei,China
  • Country/Region : China
  • Zip : 050502

TECHNICAL DOC---Typical Data Comparison of vermiculite brick with other refractories

TECHNICAL DOC---Typical Data Comparison of vermiculite brick with other refractories
Product Detailed
vermiculite board:high temperature resistant,energy-saving and cost effective slabs for fireproof insulation purpose

Typical Data Comparison of Refractory Lining Materials Used in Steel Ladle (Permanent layer and Insulation Layer)

Chemical (%)

Magnesium brick

Alumina brick

Fireclay brick

Insulation fireclay brick

VERMICULITE BOARD

Ceramic Fiberboard

SiO2

2-3

13

60

60

37

52

Al2O3

<0.5

81

35

35

7.0

48

TiO2

3-4

<2.0

0.6

Fe2O3

2-3

1-2

<3.0

1.7

5.6

CaO

<0.3

0.3

<0.5

0.5

1.2

MgO

88-91

0.3

<0.5

26

Na2O

0.1

<1.0

<0.7

0.2

K2O

<0.5

0.4

<1.5

<1.5

1.2

P2O5

11

Loss of ignition

7.5

X ray

Periclase,

Mg-Chrysolite etc

Corundum,

Mullite etc

Mullite,

quartz

Mullite

quartz

Vermiculite

phlogopite

Glass phrase

Density g/cm3

2.9

2.8

2.0-2.2

0.8

1.4

0.24

Open porosity %

17-19

22

15-19

45

Cold crushing strength Mpa

80

60

50

1-3

6

<1

Thermal conductivity W/m.K

300°C

8.4

2.2

1.2

0.28

0.24

0.07

600°C

6.3

2.3

1.3

0.35

0.31

0.12

1000°C

4.0

2.4

1.4

0.45

0.22

TECHNICAL DOC---Typical Data Comparison of vermiculite brick with other refractories



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.