Main Data
See also
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 |