Description
Refractory, refractories, insulation, fireclay, firebrick, fire bricks, raw material, fused, mullite, mullite stone, fused mullite, sintered mullite, refractory, refractories, refractory material, refractory brick, refractory products, fire proof material, mullite brick, high quality mullite, mullite factory, mullite exporter, kaolin, clay, ball clay, China clay, bleaching earth, mineral, earth,
Fire brick, refractory brick, insulation fire brick, fire bricks, refractory etc.
1)Choosing good quality fire clay and processed by raymond mill
2)Good quality and reasonable price
| Properties | NN-30 | NN-38 | NN-42 | NN-45 | NN-45P |
| Al2O3 % ≥ | 30 | 38 | 42 | 45 | 45 |
| RefractorinessºC ≥ | 1620 | 1680 | 1700 | 1720 | 1720 |
| Bending adhesive strength MPa | after 110ºC drying ≥ | 1.0 | 1.0 | 1.0 | 1.0 | 2.0 |
| | 1200ºC*3h firing ≥ | 3.0 | 3.0 | 3.0 | 3.0 | 6.0 |
| RUL,T0.2 ºC ≥ | ----- | 1200 |
| PLC(1200ºC*3H) % | -5¯1 |
| bonding time, min | 1¯3 |
| particle ,% | <1.0mm | 100 |
| | >0.5mm ≤ | 2 |
| | <0.075mm ≥ | 50 |
Complaint
