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Title: Fluoroelastomer composition

Abstract: An elastomeric fluoropolymer having improved low temperature properties is provided. The composition contains polymerized units of 57-61 weight % vinylidene fluoride, 27-31 weight % hexafluoropropene, and 10-14 weight % tetrafluoroethylene.


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Inventors: Stewart, Jr., Clare A. (Wilmington, DE, US)

Application Number: 801567
Filing Date: 1977-05-31
Publication_date: 1978-10-31
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Primary Class(es): 526/254
Other Classes:
US Patent Ref:
2968649Jan, 1961Pailthorp et al.526/254.
3707529Dec, 1972Gladding et al.526/254.
4027086May, 1977Valvo et al.526/254.

Other Refs:
Primary Examiner: Wong, Jr., Harry
Assistant Examiner:
Attorney: