2021/5/12 · chromatography clear shell vials Aijiren. ˜ Clear glass vials are made from USP Type I, Class A, 33 Borosilicate Expansion glass. ˜ Amber glass vials are made from USP Type 1 Class B, 51 Borosilicate Glass. Features Part No Description Pcs/Pack SV09CNAG 2ml Clear vial, Screw Top 9-425, Aijiren Style 100 SV09CWAG 2ml Clear vial, Screw Top 9