Polytetraflouroethylene (TFE) and Kynar both are on allocation.
PTFE - Polytetrafluoroethylene products, PTFE (TFE) and PVDF manufacturing requires a mineral called Fluorspar which is mined in Mongolia and China. The worldwide requirement for this mineral has increased significantly, as well as the supply has tightened. PTFE materials have high temperature resistance, excellent chemical resistance and really low co-efficient of friction (slick) and is used throughout a great deal of applications from non-stick fry griddles to ptfe tape for home use. This particular mineral is actually a critical raw materials inside the production of fluoropolymers, fluorolubricants and a lot of refrigerants.This rise in demand linked with shortage of raw materials is mainly responsible for a dramatic price increase (almost double during the last year), shortages, and we expect both these factors to continue in the near future.
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