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2415 3.3 borosilicate glass tube products are offered for sale by suppliers on Alibaba.com, of which glass accounts for 40%, other lab supplies accounts for 4%, and quartz tubes accounts for 2%. A wide variety of 3.3 borosilicate glass tube options are available to you, such as transparent, black and pink.You can also choose from borosilicate glass, borosilicate 3.3 and borosilicate 3.3 glass 3.3 borosilicate glass tube,as well as from lighting glass, decorative glass, and lab 3.3 borosilicate glass tube, and whether 3.3 borosilicate glass tube is quartz glass, toughened glass, or optical glass.