Glass tubes are made of borosilicate glass that withstands thermal shock and chemical attack, reduces pH changes and contaminants leached from soda lime glass tubes. They can be used for mixing heating and/or holding small quantities of chemicals for assays, as well as tissue culture, blood banks, and other laboratory experiments.
-Uniform bottoms
-Fire-polished rims
-Consistent lengths
-Convenient packaged in shrink-wrapped shelf inner box.