[PPA] PTFE packing
It corresponds to the solvent affecting the rubber packing.
PTFE is hard dirt, easy to fall dirt, cleaning is easy.
Solvent for dissolving or attack the fluororesin is not present,
Fluorine resin for most of the chemicals such as acid and alkali is not affected.
Because only be set over the edge of the container, removable and cleaning can be easily performed.
Material ... PTFE (fluorine resin)
※ is CTH / CTB sealed container dedicated packing.
※ Since the resin packing tightness compared to the rubber packing is inferior.
※ other material will correspond by the A-type packing (type [PQA]).