Product Description

Silica Brick for Hot-blast Stove Our factory produce various kinds of refractory products. The products can be made according with the customers' requirement. We can provide qualified goods, competitive price and excellent price. 1). ISO certified 2). Silicon oxide is above *5%. 3). Good acid erosion resistance. 4). High softening point with temperature. 5). No shrink in burn repeatedly. 6). Temperature of refractoriness under load is above ***0. The index of Silica Brick for Hot-blast Stove: Item RG**5 SiO2 ≥*5 Al2O3 ≤1.0 Fe2O3 ≤1.3 Apparent porosity % ≤*2(*4) Cold crushing strength MPa ≥*5(*5) Remaining quarts % ≤1.0 Refractoriness under load °c ≥***0 Creep(0.2Mpa×***0°c×*0h) % ≤0.8 Thermal expansion coefficient (***0°c) % ≤1.*5 Apparent density g/cm³ ≤2.*2