BS (Clear Borosilicate Glass Tubing) has an exellent chemical durability and is used for pharmaceutical
containers such as ampoules, vials, medication prefilled syringes etc. and for chemical laboratory wares like test tubes. BS is designed to meet the specifications for pharmaceutical glass containers defined as US Pharmacopeia（Type I) and European Pharmacopeia（Type I) as well as Japanese Pharmacopeia. Closed tube with a vent hole is also available.