Profile: ProScience Inc. manufactures scientific & pharmaceutical glassware. We offer products that include culture tubes, test tubes, pasteur pipettes, screw thread vials & tubes, serum vials and shell vials. Our Pyran® star fire-rated glazing material is made from a transparent glass- ceramic with a thickness of 3/16 inch, and it is intended for use in non-impact, safety rated locations such as transoms & windows with fire rating requirements up to 90 minutes.