REFRACTORY AND HIGH-REFRACTORY PRODUCTS FOR LAYING OF HOT BLAST STOVES AND MAINS OF BLAST FURNACES ACCORDING TO SPECIFICATION OF UKRAINE 23.2-00190503-432:2018

MKV-72

MKV-72

Mullite-corundum product are used within the temperature range 1100-1450°С: at 1100-1200°С and load not more than 0.6 MPa in nozzle laying; at 1450°С and load not more than 0.3 MPa in wall, cone, combustion chamber and hot blast channel laying.

The products are laid on wooden pallet, laid with cardboard sheets, protected with cardboard angles along the perimeter, wrapped with stretch-film and wrapped with polypropylene or polyester strip.
Parameter descriptionValue
Typealuminosilicate
Groupmullite-corundum (Al2O3 72-95%)
Refractoriness valuefire resistance (1580 to 1770°С)
Porosity degreeaverage dense (Ptot 20-30%)
Heat treatment methodburnt
Molding processsemidry forming
Binding type 1with inorganic binders
Binding type 2ceramic
Intended purposerepair/construction
scope of applicationproducts for laying of hot blast mains, orifices and blast furnace tuyere connections
Reference document for product propertiesRefractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018
Reference documents for product dimensionsRefractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018
Parameter descriptionValue
Additional linear shrinkage, %, not more than, at temperature, °С0,8 (1600°C)
Al2O3, %≥ 72
Compression ultimate strength, N/mm2, not less than
Fe2O3, %≤ 1,2
Interconnected porosity, %, not more than
Temperature of deformation under load, °С1550
FormArticle No.Additional informationPhoto
edge double-sided feather-edged brickNo.100mark-35-conf-254-small.jpg
No.101
No.102
No.103
No.104
No.105
No.106
No.85
No.86
No.87
No.88
No.89
No.90
No.91
No.92
No.93
No.94
No.95
No.96
No.97
No.98
No.99
hexagon-shaped checker brickNo.80mark-35-conf-259-small.jpg
straight brickNo.81MKV-72 straight brickmark-35-conf-261-small.jpg
No.82
No.83
No.84
tapered, symmetrical wall brickNo.10MKV-72 tapered, symmetrical wall brickmark-35-conf-267-small.jpg
No.11
No.13
No.14
No.15
No.7
No.8
No.9
straight wall brickNo.1MKV-72 straight wall brickmark-35-conf-268-small.jpg
No.2
No.3
straight checker brickNo.75mark-35-conf-378-small.jpg
No.76
No.77
No.78
FormArticle No.Dimension, mmDrawing
edge double-sided feather-edged brickNo.100UNDEF
No.101UNDEF
No.102UNDEF
No.103UNDEF
No.104UNDEF
No.105UNDEF
No.106UNDEF
No.85UNDEF
No.86UNDEF
No.87UNDEF
No.88UNDEF
No.89UNDEF
No.90UNDEF
No.91UNDEF
No.92UNDEF
No.93UNDEF
No.94UNDEF
No.95UNDEF
No.96UNDEF
No.97UNDEF
No.98UNDEF
No.99UNDEF
hexagon-shaped checker brickNo.80hexagon-shaped checker brick
straight brickNo.81UNDEFstraight brick
No.82UNDEF
No.83UNDEF
No.84UNDEF
tapered, symmetrical wall brickNo.10UNDEFtapered, symmetrical wall brick
No.11UNDEF
No.13UNDEF
No.14UNDEF
No.15UNDEF
No.7UNDEF
No.8UNDEF
No.9UNDEF
straight wall brickNo.1UNDEF
No.2UNDEF
No.3UNDEF
straight checker brickNo.75UNDEFstraight checker brick
No.76UNDEF
No.77UNDEF
No.78UNDEF