MKRKG-400, MKRKL-450, MKRKLKh-450 cardboard

Refractory thermal insulation fibre glass cardboard is intended for thermal insulation of heating and thermal furnaces, steel-teeming ladles, for lining other thermal generating units at a maximum application temperature of 1,150 °C, as a compensation layer in high-temperature thermal generating units with a maximum application temperature of 1,300 °C.
MKRKG-400, MKRKL-450, MKRKLKh-450 cardboard

Physical and chemical parameters

Parameter name

MKRKG-400

MKRKL-450

MKRKLKh-450 

Mass fraction, %
Al2O3, NLT
Cr2O3, within      
     

45

-

     

45

-

   

45

1-4

Apparent density, kg/m3, NMT

400

450

450

Relative change in mass on ignition, %, NMT   

2

2

2

Tensile strength, kPa, NLT

20

-

-

Flexibility of cardboard when bending on a shaft with a diameter of 106 mm

no cracks or breaks

-

-

Maximum application temperature, °С

1150

1150

1300

Thermal conductivity coefficientat at average temperature, W/(m·K), NMT:
200 °С

400 °С

600 °С

800 °С

     

-

-

-

-

     

0,080

0,120

0,170

0,220

   

-

-

-

-

Dimensions, mm
Length
Width
Thickness
     

1500÷15000±500

600±20

7±2

     

1400±5

800±5

11±1

     

1400±5

800±5

11±1



It is allowed to manufacture cardboard according to customer drawings (special orders), which dimensions shall be agreed upon between the manufacturer and the consumer.


Regulatory documentation: STO 05802307-1-013-2023

Contact us

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.