Mertel powder

Mertel - shamotny clay mix alyumosilikatny GOST 6137 - 80. Mertel, powder chamotte ground - kaolinites, have high plasticity and small content of iron. Mertel represents powder of gray color. Advantage of a mertel in comparison with other binding materials - maintains high temperatures. Mertel - refractory clay with extremely high melting point, goes for production of a fire - resistant brick and other heat resisting products. Mertel environmentally friendly material.
Chemical properties of Mertel Msh 32:

Mass fraction of AL2O3, not less than 32,35% actually (33,2% ), contents - Fe2O3 - 4,21% , PPP of 2,8%
Physical properties of Mertel:

Moisture content, no more - 5% , fire resistance of a mertel of 1690 degrees Celsius, humidity of 6,5% , water absorption of 7,8% , grain structure: 3,2 mm - 99,5% , 2,0 mm - 95,7% , 1,0 mm - 80,7% , 0,5 mm - 65,5% , 0,09 mm - 45,6% , the average size of grain 1,9mm.
Mertel's application:

Mertel is applied to binding and a plastering of products in a laying of fireplaces, furnaces, coppers. The mertel has special value in production of shamotny ogneupor, bricks and mixes.
Solution preparation:

For solution preparation a mertel humidify with water to a smetanoobrazny consistence. The portlandtsement additive in number of 15% over 100% of the mass of dry components is desirable. Expense of a mertel of 100 kg on 1 cubic meter of a laying.
Mertel's storage:

It is carried out in the covered warehouses, bunkers or containers in the conditions excluding moistening and a contamination materials of other structure.