MKRI-350 (500) products

Refractory thermal insulation materials made of glass fibre mullite silica materials are intended for thermal insulation of arches and walls of various types of furnaces, filling temperature and expansion joints of furnaces, gas burners and kiln cars, thermal insulation of heating furnaces, covers of steel-teeming ladles, covers of heating wells and other objects with an application temperature not exceeding 1,150 °C.

Physical and chemical parameters

Parameter name

Indicator value for grades

MKRI-350

MKRI-500

Mass fraction of Al2O3
on ignited basis, %, NLT

50

45

Mass fraction of Al2O3+SiO2  
on ignited basis, %, NLT

97

90

Change in mass on ignition, %, NMT

10,0

10,0

Apparent density, kg/m3, NMT

350

500


Regulatory documentation: GOST 23619

Dimensions and maximum dimensional products to be agreed upon between the manufacturer and the consumer.

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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.