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FKM/ETFE Dynamic Vulcanizates (TPVs)
Modest raw materials cost (~$12-15/lb)
Good chemical resistance
Feasible to customize properties for specific applications at lower cost compared to T-530/T-550 technology
Preliminary work in internal batch mixers
Scale-up can be to twin-screw or Rethink proprietary method
30-35% ETFE, 65-70% FKM
Compatibilizers are critical (T-550 works)
Millable!