Description
Light weight fireclay brick, also known as fireclay insulating brick, is a type of lightweight refractory material made from refractory clay with an alumina content of 30% to 46%. The characteristics of these bricks include low density, low thermal conductivity, high refractoriness and good thermal insulation performance, making them primarily used in the areas that need heat insulation in various kilns.
Specification
| Item | Grade | ||||||
| NG140-1.5 | NG135-1.3 | NG135-1.2 | NG130-1.0 | NG125-0.8 | NG120-0.6 | NG115-0.5 | |
| Bulk Density/(g/cm³) | ≤1.5 | ≤1.3 | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.6 | ≤0.5 |
| CCS / MPa | ≥6.0 | ≥5.0 | ≥4.5 | ≥3.5 | ≥2.5 | ≥1.3 | ≥1.0 |
| 5.5 | 4.5 | 4.0 | 3.0 | 2.0 | 1.0 | 0.8 | |
| HPLC / % | 1400 ℃× 12 h | 1350 ℃×12 h | 1300 ℃× 12 h | 1250 ℃× 12 h | 1200 ℃× 12 h | 1150 ℃× 12 h | |
| Xmin~Xmax: -2 ~ 1 | |||||||
| λ [W/m·k](350±25℃) | ≤0.65 | ≤0.55 | ≤0.50 | ≤0.40 | ≤0.35 | ≤0.25 | ≤0.23 |
Product Size: We offer refractory brick sizes that comply with ISO, EN, ASTM, JIS, etc, and customized sizes.
Applications
Mainly used for heat insulation inside various industrial furnaces, such as blast furnaces, hot blast stoves, carbon roasting furnaces, carbon calcining furnaces, coke ovens, boilers, lime kilns, cement kilns and glass furnaces,etc.
Our services: refractory technicians, refractory installation drawings, refractory bricks and castables, refractory masonry services, refractory mixes and precast cell, special shaped bricks, insulation materials, installation supervision, accident investigation and resolution, other customized services.
