Profile: Just plastics Ltd. is a supplier of plastic alternatives for laboratory glassware and manufacturing. We can advise on the suitability of plastics in manufacturing processes and provide bespoke manufacturing service of plastic components. PTFE screw-locking is our compression valve. This valve make possible the assembly of a wide range of pipeline systems. They are chemically inert and operate over a wide temperature range. Its wetted parts are pure PTFE, lock nuts are polypropylene and compression seals are Viton. Screw propeller, anchor stirrer, compression connectors and centrifugal stirrer are some of our products.