We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.
PTFE - a high performance, low friction, engineering plastic with exceptional resistance to a wide variety of chemicals. It is used in some of the most demanding industrial applications. PTFE (polytetrafluoroethylene) is a material with several unique properties. It is manufactured using very specialised plant and process controls. Smiths extruded PTFE rod is produced to BS EN ISO13000 and is ground to a plus tolerance, but with the option of tighter tolerances if required. Smiths’ standard stock range is made from virgin PTFE (not reprocessed), but several other application-specific grades are available to order.
PTFE is a soft material, but it can be machined into precise components. As with all fluoropolymer materials, care must be taken to avoid PTFE coming into contact with smoking materials. Full machining instructions are available on request.
Un-filled PTFE is inert to almost all chemicals. Attack is only evident from molten or dissolved alkali metals, and some fluorine compounds at higher temperatures. Some fluorinated refrigerants cause reversible swelling.
Commercial applications for this engineering material include:
Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.
A technical datasheet for PTFE is available in PDF file format. To view and download, please click here.
We offer in-house processing options - for more information, please refer to our processing services.
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