This company announced it is adding several grades of its Kynar® polyvinylidene fluoride (PVDF) and Kynar Flex® PVDF to the National Sanitation Foundation (NSF) 61 listing for potable water applications. The materials can be formed into pipe, tubing, valves, pumps, instrumentation, nozzles, dump tower packing, and tanks. Filtration products, which are commonly made out of Kynar PVDF, include flat sheet and hollow fiber membranes, woven filtration cloth, and nonwoven filtration support substrates. 

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