These Kimble Chase disposable screw thread culture tubes are suitable for tissue culture work and general bacteriological use. They have no marking spot. They have round bottoms. They are supplied without caps, in modular trays that are shrink-wrapped in plastic film.
These tubes are made from 51 expansion borosilicate glass. They meet requirements for the American Society for Testing and Materials (ASTM) E438, Type I, Class B, Standard Specification for Glass in Laboratory Apparatus, and the glass conforms to USP Type I requirements.
Kimble Chase Life Science and Research Products manufactures scientific laboratory glassware under the Kimble Chase KIMAX brand. The company has its origins in Kimble Glass and Kontes Glass and is now a division of The Gerresheimer Group.