Firebrick

الوصف

Main Technical Factors for clay brick Item N*1 N*2a N*2b N*3a N*3b N*4 N*5 N*6 Refractoriness °C ***0 ***0 ***0 ***0 ***0 ***0 ***0 ***0 0.2Mpa load soften temperature °C ***0 ***0 ***0 ***0 Reheating linear change % *0.**0.4 *0.**0.5 *0.**0.5 *0.**0.5 *0.**0.5 *0.**0.5 *0.**0.5 *0.**0.5 Apparent porosity % *2 *4 *6 *4 *6 *4 *6 *8 CCS **0 **0 **0 **0 **0 **0 **0 **0 Main Technical Factor for Low Porosity Brick Item DN**0 DN**2 DN**3 DN**5 Al2O3 % ≥*0 ≥*5 ≥*5 ≥*1 FE2O3 % ≤1 ≤1.2 ≤1.5 ≤1.5 Refractory Temp. ℃ ≥***0 ≥***0 ≥***0 ≥***0 0.2Mpa load soften Temp. ℃ ***0 ***0 ***0 ***0 Heavy imitation line variation % *0.2 *0.2 *0.2 *0.2 Gas hole rate % ≤*1 ≤*2 ≤*3 ≤*5 Homoithermy intensity Mpa *0 *5 *0 *0 Volum density 2.*5 2.*2 2.4 2.3 Usage Middle or top of preheat room middle of preheat checked oven preheat wall checked oven preheat wall strip brick Main Technical Factor for High Aluminium Brick Item LZ**0 LZ**5 LZ**5 LZ**8 Al2O3 % ≥*0 ≥*5 ≥*5 ≥*8 CCS TGF / CM2 ≥*0 ≥*4 ≥*9 ≥*0 Apparent porosity % ≤*2 ≤*3 ≤*3 ≤*2 Refractoriness under load ℃ ≥***0 ≥***0 ≥***0 ≥***0 Reheating linear change % *0.2 *0.4 *0.1 *0.4 *0.1 *0.4 *0.1 *0.4 Refractoriness ℃ >***0 >***0 >***0 >***0