Silica Refractory Bricks

Silica bricks used in bottom and wall of coke ovenSio2: 94% min0. 2mpa refractoriness under load: 1650cminReheating linear change: (1450c*2h) : + 0. 2% Apparent porosity: 22 (23) % maxCompress strength: 30 mpa minAbsolute density: 2. 34 g / cm3 maxThermal expansion rate, 1000c: 1. 28% max
Silica Refractory Bricks