Powders

Powders are refractory grain materials used for manufacture of refractory items, mixes, mortars, repair of heat plants, heat insulation and other applications.

Technical characteristics

 Rate for grades
  Powder Chamotte Powder Fire-clay
PShAM PShBM PGA PGB
Spec. 1522-009-00190495-99 rev.1

Mass fraction of backed substance, %:

Al2O3, minimum

35 30 35 30
Refractoriness, °C, minimum 1730 1670 1730 1670

Granularity, %:

passage through mesh, minimum:

№3,2

№2

№05

 

 

100

90

40

 

 

100

90

40

 

 

100

98

40

 

 

100

98

40

Water content when delivered, %, maximum 4 4 12 12