... you any sizes of tube with lowest price and best quality. Material Quartz glassPurity :More than 99.99%Characteristic :1.high quality competitive ... :0.6-10mm length:5-3.000mmFurther-processing: Ends closing, sand blasting, polishing, bending, cutting, pinching, burning mouth and so on ... (ppm)ALLiKNaCaFeTiMgCuBSiO2180.522.31.81.84.60.40.30.5>99.98%Our packing: