High-alumina and corundum refractory products
Physical and chemical parameters
|
Parameter name |
GOST 24704 |
|||||||
|
MKRS-45 |
MKRU-45 |
MLS-62 |
MKS-72 |
MKU-90 |
MKS-90 |
KU-95 |
KS-95 |
|
|
Mass fraction,%: Al2O3, over Fe2O3,NMT |
45 1,8 |
45 1,8 |
62 1,5 |
72 1,5 |
90 0,8 |
90 0,8 |
95 0,6 |
95 0,6 |
| Open porosity, %, NMT | 24 | 18 | 24 | 24 | 19 | 24 | 19 | 24 |
| Compressive strength, N/mm², NLT |
20 |
40 |
25 |
30 |
60 |
50 |
50 |
40 |
| Deformation temperature under load, °C, NLT |
1400 |
1450 |
1450 |
1500 |
1670 |
1660 |
1680 |
1680 |
|
Residual change in dimensions upon heating,%, NMT at a temperature °C |
+0,5 1600 |
+0,4 1400 |
+0,4 1500 |
+0,1 1600 |
- - |
- - |
- - |
- - |
|
Parameter name |
STO 05802307-0-005-2020 |
||
|
SL MAREF 80 |
SL MAREF 95 |
SL MAREF 98 |
|
|
Mass fraction,%: Al2O3 Fe2O3 |
over 80 NMT 1,0 |
95 0,2 |
98 0,15 |
| Apparent density, g/cm3 |
- |
3 |
3,15 |
| Open porosity, % |
NMT 17 |
15 |
16 |
| Compressive strength, N/mm² |
NLT 60 |
>100 |
85 |
| Deformation temperature under load, °C |
NLT 1,550 |
>1,700 |
1,700 |
|
Residual change in dimensions upon heating,%, at a temperature 1,500 °C 1,600 °C |
NMT 0,4 - |
- 0,1 |
0,2 - |
|
Thermal conductivity coefficient, W/(m·K), at average temperature 105 °C 815 °C 1,100 °C |
- - - |
2,7 2,8 2,85 |
3,94 3,61 3,34 |
Product shape and dimensions are in accordance with GOST 8691 and the customer drawings.
Regulatory documentation: GOST 24704, SТО 05802307-0-005-2020
The above data for SL MAREF grades products are
based on control of production samples, they are average values and cannot be
used in design specifications. The information provided herein is subject to
change without notice.
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How to order
To place an order for the product supply, please do the following:
- On your company's letterhead, fill out an application, which shall include:
- name of the requested product (or technical specifications thereof),
- required amount,
- estimated delivery time,
- contact details.
- When ordering non-standard products (according to drawings), please attach the drawings of the requested product and indicate the dimensional tolerances.
- The completed application and drawings can be sent:
- by email: tdom@slsoz.ru
- by fax: (34373) 64 3 42; 64 4 63
- or use the feedback form on the right