Thermal coal 4000 to 6000 kcal sulfur 0.45- 0.6 moisture 17-22
Fused silica is a glass consisting of pure silica (SiO2) in amorphous form. Fused quartz has high working and melting temperatures, making it less desirable for most common applications. Fused silica is a glass consisting of pure silica in amorphous form. Applications â?? Electrode flux coating Optical components