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