HYBRID vs. IFB and Fiber Modules: Thickness, Weight and Heat Loss Compared

Independent lining comparisons across several furnace types show the HYBRID SYSTEM consistently outperforming both Insulating Fire Brick (IFB) and fibre module linings.

Primary Reformer, 1150°C (sidewalls & roof). IFB: 305 mm thick, 171 kg/m², 601 W/m² heat loss. Fibre modules: 305 mm, 66 kg/m², 561 W/m². HYBRID: 215 mm, 53 kg/m², 529 W/m².

Roof of a tunnel/roller kiln, 1250°C. IFB: 335 mm, 291 kg/m², 884 W/m². Fibre modules: 285 mm, 79 kg/m², 752 W/m². HYBRID: 208 mm, 49 kg/m², 601 W/m².

Forge furnace, 1280°C. IFB: 285 mm, 79 kg/m², 795 W/m². HYBRID: 245 mm, 54 kg/m², 556 W/m².

Across all three examples, HYBRID is thinner and lighter while losing less heat — translating directly into lower energy consumption during heating, operation and cooling.

Steady-state calculation comparison (ASTM C680, 27 May 2025). Independent ASTM C680 steady-state heat-transfer calculations (emissivity 0.45, no wind) run for HYBRID, Module and IFB lining systems at matching hot-face temperatures and a 70°C cold-face target confirm the same pattern at every point:

1100°C hot face. IFB: 200 mm, 78.69 kg/m². Module: 350 mm, 64 kg/m². HYBRID: 169 mm, 49.83 kg/m².

1150°C hot face. IFB: 273 mm, 158.5 kg/m². Module: 400 mm, 73.6 kg/m². HYBRID: 186 mm, 52.77 kg/m².

1200°C hot face. IFB: 278 mm, 159.9 kg/m². Module: 430 mm, 79.36 kg/m². HYBRID: 200 mm, 55.32 kg/m².

The same calculations repeated for an 80°C cold-face target show HYBRID holding its advantage at higher hot-face temperatures too: at 1300°C hot face, IFB reaches 303 mm and 167.9 kg/m², Module reaches 410 mm and 75.52 kg/m², while HYBRID needs just 213 mm and 55.46 kg/m².

These figures are calculated values, not certified test results; heat bridges are not considered. See also: the specific products used in each HYBRID SYSTEM layer.