Porosint 750
The 1400 °C grade, and the more capable brick on every count: lighter at 0.50–0.60 g/cc, stronger at 12–20 kg/cm², and lower in conductivity at 0.16–0.22 kcal/m/hr/°C at 800 °C hot face. Alumina runs 42–47% against the 500's 38–43%.
| NATURE OF BOND | CHEMICO – CERAMIC |
|---|---|
| Maximum Service Temperature | 1400 ºC |
| Reversible Thermal Expansion | 0.60% at 1000°C |
| Al₂O₃ content, % | 42.00 – 47.00 |
| Fe₂O₃ content, % | 0.90 – 1.10 |
| Bulk density, g / cc | 0.50 – 0.60 |
| Cold crushing strength, kg/cm² | 12 – 20 |
| PLC, % after heating at 1250 ºC / 24 hrs | + 0.3 to - 0.7 |
| Thermal Conductivity Kcal/m/hr/ºC at 800ºC HF | 0.16 – 0.22 |
Values as published by the manufacturer. Manufacturer TDS governs.
Hot-face insulation above the 1300 °C limit of the Porosint 500, and anywhere the heat loss through an insulating lining is being counted.
Manufacturer technical datasheets and safety data sheets for this line are available on request — ask for them with your enquiry and we will send them with the quotation.
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