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Standard

FABRICATION OF CARBON FIBER/POLYSULFONE RESIN COMPOSITE STRUCTURES

1994-12-01
HISTORICAL
ARP1643A
This document describes the materials, equipment, and processing techniques used in fabricating high-strength or high-modulus carbon-fiber-reinforced polysulfone laminates for structural applications for service up to 120°C (250°F).
Standard

METHOD FOR DETERMINING RELATIVE SPECIFIC GRAVITY POLYTETRAFLUOROETHYLENE TUBING

1970-02-01
HISTORICAL
ARP1153
This specification describes a method for determining the specific gravity of tubing, fabricated from polytetrafluoroethylene, after a controlled heating and cooling cycle. The specific gravity obtained by this method is a measure of relative molecular weight of the resin. The measure, termed Relative Specific Gravity (RSG), increases with decreasing molecular weight (see 2.3).
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