Wheaton Pre-Scored Clear Borosilicate Glass Ampules have a gold band on the stem of the ampule which indicates that the ampule is pre-scored. This facilitates snapping off the top of the ampule eliminating the need to file the ampule. Made from low extractable borosilicate glass that conforms to USP Type I and ASTM Type I, Class A requirements. Stems can be pull or tip sealed.
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