This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.This specification covers phenol/formaldehyde-resin-impregnated, cotton fabric laminates in the form of sheet. This sheet has been used typically for parts requiring good mechanical properties but where electrical properties are of secondary importance and no post-forming is required, but usage is not limited to such applications. Often used for fairleads and tubing supports.