Products:--------Refractory for steel ladle The KaiFeng GaoDa New Type Refractory Material Factory are ISO9002 Certified.

Physical-chemical characteristics of steel ladle:

Quality Alumina-spinel Alumina-magnesia Alumina
Name GD-AM93 GD-AM89 GD-AM88 GD-AM92 GD-AM68 GD-A84 GD-A81
Chemical analysis(%) Al2O3 93 89 88 92 68 84 81
MgO 3 7.5 10 5 19 - -
ZrO2 - - - - - - -
SiO2 - - 1 - 9 8 9
Bulk Density(g/cm3) 110¡ã C¡Á24h 2.96 2.92 3.10 3.05 2.72 2.70 2.43
1500¡ã C¡Á3h 2.89 2.80 2.88 2.83 2.52 3.00 2.59
Apparent poposity(%) 110¡ã C¡Á24h 17.6 17.2 17.2 16.0 22.9 23.4 28.1
1500¡ã C¡Á3h 22.5 23.1 22.7 24.3 27.0 18.6 29.9
Crushing strength(MPa) 110¡ã C¡Á24h 42.0 22.0 28 40 10.1 18.8 11.9
1500¡ã C¡Á3h 104.0 49.0 90 85 30.5 79.6 24.0
after-expansion after burnt(%)1500¡ã C¡Á3h +0.2 +0.11 +2.28 +1.78 +2.00 -2.0 -2.5
Application area Normal place on side face Side face Dumped side Side face Side face Permanent Permanent

 

Physical-chemical characteristics of steel ladle gunning:
Quality High Alumina Magnesia-Alumina Magnesia-calciam Magnesia
Name GD-GP77A GD-GP73M GD-GP70M GD-GP80M GD-GP92M
Chemical analysis(%) Al2O3 77 15 20 1 -
SiO2 15 9 6 3 4
ZrO2 - - - (CaO)13 -
MgO - 73 70 80 92
Bulk Density(g/cm3) 110¡ã C¡Á24h 2.75 2.35 2.25 2.07 2.40
1500¡ã C¡Á3h 2.72 2.29 2.43 2.22 2.32
Apparent poposity(%) 110¡ã C¡Á24h 20.8 24.0 28.6 28.4 26.5
1500¡ã C¡Á3h 22.2 27.5 29.0 31.3 30.2
Crushing strength(MPa) 110¡ã C¡Á24h 3.4 8.3 8.3 1.4 2.3
1500¡ã C¡Á3h 46.6 15.2 35.8 15.5 13.0
Liner change(%)1500¡ã C¡Á3h +0.12 +0.25 ¡¡

-0.80

¡¡

-0.93 -0.1
use Use for cold Use for Hot Use for Hot

Physical & chemical indexes of Refractory Mortars:
Quality
Magnesia
High Alumina
Name
MAGSET
ALVSET
BM-90
HMO
Refractoriness ¡ã C(SK)
38
>37
Chemical analysis(%)
Al2O3
-
93
SiO2
-
6
ZrO2
-
-
MgO
89
-
Grain size(%)
+0.5mm
<2
0.5
-0.075mm
>65
55
Cold rupture bonding strength(MPa)
110¡ã C¡Á24h
1.5
1.9
1400¡ã C¡Á3h
-
20.0
1500¡ã C¡Á3h
17.7
-
main use
Special parpose for busicity
Special parpose for high alumina


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