Multi-Layer, Flexible Tubular Article for Fuel Line Applications
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United States of America Patent
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Jun 11, 2020
app pub date -
Aug 22, 2018
filing date -
Aug 25, 2017
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Abstract
The invention provides a multi-layer, flexible tubular article useful in fuel line applications comprising a thermoplastic polyurethane layer (10,14,18), an ethylene vinyl alcohol layer (16), and, optionally, a polyamide polymer layer (12,20) to provide an effective barrier against fuel permeation and to reduce washout of chemicals from the tube into the fuel.
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