2mL Amber/Clear Autosampler Vials 9-425 Pre-slit Screw Caps Blue PTFE 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.
2mL Autosampler Amber Vial Pre-slit Cap PTFE Silicone Septa Fit LC Sampler
(4) Pre-slit PTFE/Silicone Septa: 2ml Amber GC sample vials included blue ABS Screw Cap & Septa (Blue PTFE/White Silicone Liner). The preslit Septa can reduce flat pins curving and When collecting in large quantities, prevent negative pressure from forming in the sample bottle.