Profile: AdValue Technology, LLC supplies ceramic products. Our products include alumina, fused quartz, and zirconia products. Alumina (Al2O3) possesses a high melting point, strong hardness & good chemical stability, making it a good material to withstand high temperature and chemical corrosion. Alumina crucibles are available in many sizes and shapes. Our clear quartz tubing features high purity (>99.99%), good physical & chemical properties, tight tolerances, and low -OH content. The tubes are used in a variety of applications. Special dimensions and tolerances are available upon request. We also offer UV-cutoff tubing, ozone free tubing, and irregular-shaped tubing.