Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM F1057-87(2005)

Standard Practice for Estimating the Quality of Extruded Poly (Vinyl Chloride) (PVC) Pipe by the Heat Reversion Technique

Standard Practice for Estimating the Quality of Extruded Poly (Vinyl Chloride) (PVC) Pipe by the Heat Reversion Technique F1057-87R05 ASTM|F1057-87R05|en-US Standard Practice for Estimating the Quality of Extruded Poly (Vinyl Chloride) (PVC) Pipe by the Heat Reversion Technique Standard new BOS Vol. 08.04 Committee F17
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Significance and Use

This practice is applicable to distinguish between properly and improperly extruded PVC plastic pipe. It can be used to:

2.1.1 Reveal incomplete exsiccation of compound before or during extrusion (Note 1),

2.1.2 Determine the presence of stress in the pipe wall produced by the extrusion process (Note 2),

2.1.3 Determine whether infused areas are present, and

2.1.4 Reveal contamination.

Note 1—Residual moisture in the compound vaporizes at extrusion temperatures and is normally evacuated as it forms vapor. Pockets of moisture trapped in the pipe wall result from incomplete exsiccation of the compound, and may reduce the physical properties of the pipe.

Note 2—Minor residual stress in the pipe will not impair field performance and handleability. High-residual stress has no proven effect on performance, but may impair handleability during installation.

Scope

1.1 This practice covers a procedure for estimating the quality of extruded poly (vinyl chloride) (PVC) plastic pipes by observing the reaction of pipe specimens after exposure to heat.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 08.04
Developed by Subcommittee: F17.40
Pages: 7
DOI: 10.1520/F1057-87R05
ICS Code: 23.040.20