Castable refractory cement-free products
Castable refractory cement-free products are used for heavy-duty applications where increased mechanical strength and abrasive resistance are required under high-temperature conditions, as well as in case of repairs/lining works in extremely limited time periods.
Physical and chemical parameters
| Parameter name | Indicator value for grades | |||||||
| SL PRECAST NC 50 |
SL PRECAST NC 55 |
SL PRECAST NC 65 |
SL PRECAST NC 75 |
SL PRECAST NC 78 |
SL PRECAST NC 82 | SL PRECAST NC 90 | SL PRECAST NC 95 | |
|
Mass fraction, % Al2O3, CaO, Fe2O3 |
70 0,1 0,8 |
55 0,1 0,8 |
65 0,1 1 |
78 0,1 1 |
78 0,1 0,1 |
82 0,4 1,3 |
93 0,3 0,04 |
94 0,2 0,04 |
| Average density, g/cm3 | 2,4 |
2,4±10% |
2,7±10% |
2,7±10% |
2,65±10% |
2,8 | 3,0 | 3,1 |
| Compressive strength, N/mm2 | 51 |
30 |
30 |
30 |
35 |
70 | 60 | 45 |
| Residual change in dimensions, %, after exposure 2 h. at a temperature, °С | 0,2 at 1000 |
0,4 at 1500 |
1 at 1500 |
0,8 at 1500 |
0,2 at 1500 |
0,0 at 1000 | 0,0 at 1000 | 0,1 at 1000 |
| Maximum application temperature, °С | 1500 |
1650 |
1650 |
1650 |
1700 |
1750 | 1800 | 1800 |
|
Thermal conductivity coefficient, W/(m·K), at average temperature: 200 °C 400 °C 600 °C 800 °C |
0,959 0,928 0,883 0,955 |
0,685 0,937 1,124 1,310 |
0,651 |
0,523 0,728 0,906 1,083 |
0,798 1,156 1,398 1,640 |
0,645 1,017 1,243 1,776 |
0,639 0,849 0,958 1,094 |
0,393 0,655 0,940 1,091 |
| Deformation temperature under load, °C |
- |
1550 |
1550 |
- |
>1600 |
- |
- |
- |
| Heat resistance, number of thermal cycles at a temperature of 1,300 °C | - |
>100 |
>100 |
>100 |
>100 |
>10 | >30 | >50 |
| Open porosity, % | - |
- |
- |
- |
- |
20 | 16 | - |
The shape and dimensions of products Nos. 60-75, 79-97, 98-109 according to GOST 8691, the shape and dimensions of products according to the customer drawings shall be agreed upon between the manufacturer and the consumer.
Regulatory documentation: STO 05802307-3-001-2024
The above data 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