Definition of polybutylene in English:

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Pronunciation: /ˌpälēˈbyo͞odlˌēn/


A thermoplastic polymer used in water pipes.
Example sentences
  • The home I'm buying has polybutylene for the water supply plumbing.
  • Prior to this change, most double pane windows had been sealed with polybutylene.
  • He explained to Dr. Farrington that he worked with various chemicals including ethyl acetate, adecote, atin, bynel resin, and polybutylene.
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