1000p 2mL Autosampler Amber Screw HPLC Vials Pre-slit Caps Write Area Graduation
(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.