... ,High temperature resistant Alkali/Acid-proof,adopt platinum molding technology OD:4~315mm,Wall Thick:1-10mm We have our own ... glass products, such as borosilicate tube, glass rods Glass tube OD from 4mm~315mm Glass rods dia from 3~42mm Glass ... ,article of daily necessities. High borosilicate glass tube medium size OD:4-315mm