 |
|
| Refractory Material--------High Alumina Cement |  |
|
Products quality |
| Rotary kilns are used for production.There are three strength grads"525,625 and 725"specified in the national standard GB 201-81.The quality indexes of "A500,A700"made for export are slightly altered based on GB 201-81 to meet requirements of foreign customers. |
|
Code
Item |
525
|
625
|
725
|
A500
|
A700
|
|
|
Chemical
analysis
（%） |
SiO2
|
≤10
|
≤10
|
≤10
|
≤10
|
≤10
|
|
Al2O3
|
≥50
|
≥50
|
≥50
|
≥50
|
≥50
|
|
|
CaO
|
≥33
|
≥33
|
≥33
|
≥33
|
≥33
|
|
|
Fe2O3
|
≥3.0
|
≥3.0
|
≥3.0
|
≥3.0
|
≥3.0
|
|
|
sieve
analysis
|
0.08mm
mesh residue(%)
|
≤10
|
≤10
|
≤10
|
≤10
|
≤10
|
|
setting
time
|
initial
|
>40
|
>40
|
>40
|
>40
|
>40
|
|
final
|
<600
|
<600
|
<600
|
<600
|
<600
|
|
|
Flexural
strength(MPa)
|
1
d.
|
5.0
|
6.0
|
7.0
|
5.0
|
7.0
|
|
3
d.
|
5.5
|
6.5
|
7.5
|
5.5
|
7.5
|
|
|
Compressive
strength(MPa)
|
1
d.
|
46
|
56
|
66
|
46
|
66
|
|
3
d.
|
52
|
62
|
72
|
52
|
72
|
|
| Test Method:in accordance with GB 201-81 .The comparative testing can be carried out using parts of ISO 679:1989(E) and EN 196 according to the demand of a customer. |
| Packing:Composite paper sacks.25 kg or 50 kg per sack.Tons sack according to the demand of a customer. |
| Company：KaiFeng 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 |
