Products:--------Refractory for tundish con-casting The KaiFeng GaoDa New Type Refractory Material Factory are ISO9002 Certified.

Physical & chemical indexes for tundish gate valve:
Quality
High Alumina
Name
GD-D253
GD-D262
GD-D270
Chemical analysis(%) Al2O3
53
62
70
SiO2
41
33
27
CaO
1.3
0.5
0.8
Liner change(%)1500¡ã C¡Á3h
+0.8
+0.72
+0.48
Bulk Density(g/cm3) 110¡ã C¡Á24h
2.45
2.38
2.64
1500¡ã C¡Á3h
2.35
2.28
2.60
Crushing strength(MPa) 110¡ã C¡Á24h
8.0
4.4
6.4
1500¡ã C¡Á3h
15.4
10.3
17.7
Modulus of rupture at elevated temp(MPa)1400¡ã C
2.5
3.4
4.9
Features
Building Block
use
Gate valve

 

Physical & chemical indexes of tundish castable for feteling:
Quality
High Alumina
Name
GD-A53
GD-A62
GD-A70
Chemical analysis(%) Al2O3
53
62
70
SiO2
41
33
27
Liner change(%)( )¡ã C¡Á3h
(1500)+0.20
(1500)+0.59
+0.30
Bulk Density(g/cm3) 110¡ã C¡Á24h
2.50
2.70
2.70
( )¡ã C¡Á3h
(1500)2.40
(1500)2.67
(1500)2.65
Bending strength(MPa) 110¡ã C¡Á24h
8.8
7.4
5.0
1500¡ã C¡Á3h
(1500)19.6
(1500)17.7
(1500)15.6
Modulus of rupture at elevated temp(MPa)1400¡ã C
2.5
3.4
4.9
Features
casting
use
Castable for ladle lid

Physical & chemical indexes for tundish coasting:
Quality Magnesia
Name GD-2T84 GD-2T85 GD-2T87 GD-2T80 GD-2T87B GD-2T93
Chemical analysis(%) Al2O3 1 1 2 10 - -
SiO2 2 5 5 6 5 2
MgO 84 85 87 80 87 93
Grain size mm(%) +0.5mm 41 40 30 31 10 40
-0.074 40 22 35 50 50 2
Bulk Density(g/cm3) 110¡ã C¡Á24h 1.97 1.72 1.80 1.32 1.80 1.90
1500¡ã C¡Á3h 2.02 1.79 2.00 1.40 1.90 2.00
Bending strength(MPa) 110¡ã C¡Á24h 1.97 1.72 1.80 1.32 1.80 1.90
1500¡ã C¡Á3h 2.02 1.79 2.00 1.40 1.90 2.00
Modulus of rupture at elevated temp(MPa) 110¡ã C¡Á24h 1.97 1.72 1.80 1.32 1.80 1.90
1500¡ã C¡Á3h 2.02 1.79 2.00 1.40 1.90 2.00
Features Atmospheric temperature¡«250¡ã C Atmospheric temperature¡«150¡ã C Atmospheric temperature¡«150¡ã C Atmospheric temperature¡«100¡ã C - -
use Dry gunning Wet gunning Smear with hands Not dry


Products: Castable For Big-sized Blast Furnace Refractory For Converter
  Refractory For Electric-arc Furnace
 Refractory For Steel Ladle
  Refractory For Tundish Con-Casting Refractory for secondary steel making
  Refractory Castable For Heating Furnace And Soaking Furnace
  Refractory For Cement Rotary Kiln Refractory material for burning furnace
  Refractory Castable For PetroChemical Industry Refractory Castable For Carbon Black Furnace
  Refractory For Con-casting Ceramic Kiln Tool
  Taphole Mrx for Blast Furnace  
Company£ºKaiFeng GaoDa New Type Refractory Material Factory
Address:West of XiaoWangTun ZhenBian Road KaiFeng City, HeNan Province,China
Postalcode:475003
URL: http://www.gdxxnh.com
E-mail:kfgd@gdxxnh.com
Fax:(86)-378-3922186 Tel:(86)-378-3922687 Mobile:13703786552

 
Greenwood Impex Inc.
18125 Camino Bello,#3 Rowland Heights,CA 91748
Fax:(1)-530-734-2238 Tel:(1)-626-810-3656
E-mail:USA@gdxxnh.com