Unlined aromatic amine cured epoxy fiberglass piping systems have been successfully used to handle oil field services requiring resistance to carbon dioxide. Fiberglass pipe made from vinyl ester and premium isophthalic polyester resins have also been proposed for use in this type of service. This paper presents test data comparing the carbon dioxide resistance of fiberglass pipe made from these three resins. Test data for fiberglass pipe exposed to carbon dioxide containing 5% hydrogen sulfide is also presented.

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