Pre-slit Crimp-top Cap with butyl/PTFE silicone gc vial Septa for sale
Pre-slit Crimp-top Cap with butyl/PTFE silicone GC vial septa are commonly used in gas chromatography applications to provide a reliable and inert seal for sample vials.
These septa are typically composed of three layers: a butyl rubber backing, a PTFE (polytetrafluoroethylene) middle layer, and a silicone top layer.
When purchasing septa, it’s important to ensure that they are compatible with your specific GC vials and instruments.
1.The PTFE layer in the septa provides excellent chemical resistance, making them compatible with a wide range of sample types and analytical solvents.
2. Butyl/PTFE silicone septa are known for their low bleed characteristics.
3. The butyl rubber backing in these septa provides good re-sealing properties, ensuring a reliable seal.
4.Butyl/PTFE silicone septa can withstand a wide temperature range typically encountered in gas chromatography analyses.
Marerial of septa:PTFE silicone, butyl
Marerial of cap:polypropylene
Size of pad:11mmx1mm