1. We can supply super quality silica bricks A.P. <16%, C.C.S>50Mpa.
2. High Purity: SiO2>95%
3. High RUL: T1, 1670~1700
4. Low thermal expansion: <1.25(room temp-1000)
5.Low Residue quartz 0~0.5%.
Features:
1) Silica bricks JG - 94A for coke oven (carbide chamber):
a) SiO (%): 94
b) Refractoriness (SK): 31
c) Porosity (%): 22
d) True specific gravity: 2.34
e) Cold crushing strength (MPa): 29.4
f) 0.2MPa refractoriness under load (KD) (oC): 1,650
g) Silica bricks JG - 94B for coke 450oC x 2Hrs (%): 0.2
2) Silica bricks for oven (other) :
a) SiO (%): 94
b) Refractoriness (SK): 31
c) Porosity (%): 24
d) True specific gravity: 2.34
e) Cold crushing strength (MPa): 19.6
f) 0.2MPa refractory under load (KD) (oC): 1,650
g) Reheat liner change, 1,450oC x 2Hrs (%): 0.2
3) Silica bricks RG - 94 for blast furnace stoves:
a) SiO (%): 94
b) Fe2O3 (%): 1.5
c) Al2O3 (%): 1.0
d) Refractoriness (SK): 32
e) Porosity (%): 23
f) True specific gravity: 2.34
g) Cold crushing strength (MPa): 35
h) 0.2MPa refractory under load (KD) (oC): 1,650
i) Reheat liner change, 1,450oC x 2Hrs (%): 0.5
j) Thermal expansion at 1,000oC (%): 1.25
k) 0.2MPa creep, 1,550oC x 50hrs (%): 0.8
4) Light silica bricks GGR - 1.15 (PSB) for blast furnace stoves:
a) SiO (%) : 90
b) Refractoriness (SK): 30
c) Porosity (%): 50
d) Cold crushing strength (MPa): 5
e) Reheat liner change, 1,450oC x 2Hrs (%): 0.5
f) Thermal expansion at 1,000oC (%): 1.30
5) Silica bricks BG - 96 for glass smelting furnace:
a) SiO (%): 96
b) Fe2O3 (%): 1.5
c) Al2O3 (%): 0.7
d) CaO (%): 2.2
e) K2O + Na2O (%): 0.11
f) Al2O3 + 2 (K2O + Na2O) (%): 0.5
g) Refractoriness (SK): 32
h) Porosity (%): 21
i) True specific gravity: 2.33
j) Cold crushing strength (MPa): 35
k) 0.2MPa refractory under load (KD) (oC): 1,680
