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 82 SL PRECAST NC 90 SL PRECAST NC 95

Mass fraction, %

Al2O3

CaO,

Fe2O3

50
0,1
0,8

83
0,1
1,3

91
0,1
0,1

95
0,1
0,1
Compressive strength, N/mm2 80 >130 130 >110
Average density, g/cm3 2,3 2,8 2,9 3,0
Maximum application temperature, °С 1500 1750 1800 1800
Residual change in dimensions, %, after exposure 2 h. at a temperature 1,500 °С  0,3 0,3 0,0 0,0
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


0,645

1,017

1,243

1,776


0,639

0,849

0,958

1,094


0,393

0,655

0,940

1,091

Heat resistance, number of thermal cycles at a temperature of 1,300 °C - >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:
  1. 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.
  2. When ordering non-standard products (according to drawings), please attach the drawings of the requested product and indicate the dimensional tolerances.
  3. 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

Write us

Contact us with any questions or place an order using the form. To place an order for the product supply, please do the following:

1. 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. 

2. When ordering non-standard products (according to drawings), please attach the drawings of the requested product and indicate the dimensional tolerances.