Closure is pierceable with suitable autosampler probe
Alternative to Cetac ASX110/112 part number SP5511 (closure for 0.5 mL PP vial) when used with Savillex 500 uL PFA Microcentrifuge Vial, 8 mm Snap-On Opening (200-905-50)
Service temperature range of PFA is -328°F to 500°F (-200°C to 260°C)