The Pyrex® Gum Stability Glass Bombs from Corning are used for determination of gum stability of gasoline. The cover can prevent condensed vapors in bomb stem from contaminating the sample, but does not interfere with free flow of oxygen. Made in accordance with ASTM D-525.
Specification
Material: borosilicate glass code 7740 Sterility: non-sterile O.D. × H: 50 mm × 105 mm