Introduction: <!--[if !supportLists]-->        <!--[endif]-->In the semiconductor industry, the tube can be used as diffusion, diffusion source dish. In other industrial areas, can be used to heat lamp and purified using the reactor and piping. <!--[if !supportLists]-->        <!--[endif]-->Note: We can provide other specification products according to customer’s requirements.   product specification： Technical Parameter: Impurity Mean Value Al Fe Ca Mg Ti Cu Mn K Na Li Co Ni B 21.32 0.94 1.88 0.29 0.54 0.05 0.05 0.4 2.06 1.66 ＜0.07 ＜0.07 0.16 Product Size: OD Tolerance Wall Thickness Tolerance 19≤Ф＜35 ±0.4 ≥1.5 ±10% 35≤Ф＜50 ±0.7 50≤Ф＜60 ±1 2-10 60≤Ф＜100 ±1.2 100≤Ф＜140 ±1.5 140≤Ф＜160 ±1.8 160≤Ф＜220 ±2 220≤Ф＜280 ±4 2.5-4 <!--[if !supportMisalignedColumns]-->                             <!--[endif]-->   Product features: <!--[if !supportLists]-->l  <!--[endif]-->Optical communication industry <!--[if !supportLists]-->l  <!--[endif]-->Semiconductor industry <!--[if !supportLists]-->l  <!--[endif]-->Laser light industry <!--[if !supportLists]-->l  <!--[endif]-->Radiation light industry <!--[if !supportLists]-->l  <!--[endif]-->Chemical industry <!--[if !supportLists]-->l  <!--[endif]-->Medical environmental protection industry