PTFE thin sleeves
These PTFE thin sleeves are a replacement for Silicone grease to seal ground glass joints avoiding contamination of precious samples.
They are very popular with our customers and are available in a huge range of sizes to suit all needs.
Self release seal to prevent sticking
Operatures at medium to low vacuum
Use up to 280oC (540oF)
Elimates the need for grease
UK / Europe / Global Delivery
Developed in collaboration with our clients / Bespoke design service
Committed to developing sustainable & practical improvements for scientists worldwide
Asynt’s unique range of innovative and sustainable products/services are developed by chemists for chemists - to make your lab life easier. 
Martyn Fordham, MD