butyl rubber
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Related to butyl rubber: Polyisobutylene
butyl rubber
n.
A synthetic rubber produced by copolymerization of a butylene with isoprene, nearly impermeable to air and used in tires, inner tubes, and insulation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
butyl rubber
n
(Chemical Engineering) a copolymer of isobutene and isoprene, used in tyres and as a waterproofing material
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| Noun | 1. | butyl rubber - synthetic rubber made by polymerizing isobutylene synthetic rubber, rubber - any of various synthetic elastic materials whose properties resemble natural rubber |
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