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Water and oil repellents
Solvent-soluble fluoropolymers
Fluoroelastomers
Thermoplastic fluoropolymers
Low melting point fluoropolymers
Adhesive fluoropolymers
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Melting type fluoropolymers
Fluoropolymer films
Amorphous fluoropolymers
Fluorinated ion-exchange membranes
Stainproof coating agents
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Glossary
Electret
Eelectret is dielectric which has a semi-permanent electrical charge on its surface (vicinity). It was given the name “electret” because it has similar properties as a magnet which has a semi-permanent magnetic force. The substance was discovered in 1919 by Mototaro Eguchi. Electrets are used in microphones and vibration power generators.
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