10000ps 2ml Sample Clear Vials Screw Caps 9-425 HPLC GC PTFE 9mm Autosampler LAB
(1) Low Expansion Coefficient: 9mm Screw Thread Autosampler Vials are made of clear Type 1, Class A Borosilicate Glass with very low expansion coefficient. It shows excellent chemical resistance to acidic and neutral solutions, due to its relatively low alkaline content even to alkaline solutions.