Chemically resistant diaphragm

Details Chemically resistant diaphragm Chemically resistant diaphragm

1992-02-19

1993-06-08

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

92103F, 92103SD, 428167, 428252, 428253, 428421, 428422, B32B 700

Patent

active

052177971

ABSTRACT:
A composite diaphragm containing a flexible composite of a flexible polymer and an expanded polytetrafluoroethylene fabric on which is adhered to one surface a solid polytetrafluoroethylene layer. Additionally a composite diaphragm is disclosed which has a concentrically arranged ribbed elastomeric layer attached to a solid polytetrafluoroethylene layer.

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patent: 5160773 (1992-11-01), Sassa

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