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Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content (2011) / Chapter Skim
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Appendix F - Proposed Draft Standard for Recycled Content Containing HDPE Resin Formulations for Corrugated Pipe Made to AASHTO Standard M252-Recycled
Pages 77-84

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From page 77...
... F-1 A P P E N D I X F Proposed Draft Standard for Recycled Content Containing HDPE Resin Formulations for Corrugated Pipe Made to AASHTO Standard M252-Recycled
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From page 78...
... of Plastics by Displacement D1238, Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer D1505, Test Method for Density of Plastics by the Density-Gradient Technique D3895, Standard Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning Calorimetry D4218, Test Method for Determination of Carbon Black Content in Polyethylene Compounds By the Muffle-Furnace Technique D4703, Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets D5630, Test Method for Ash Content in Plastics F2136, Standard Test Method for Notched, Constant Ligament-Stress (NCLS) Test to Determine Slow-Crack-Growth Resistance of HDPE Resins or HDPE Corrugated Pipe
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From page 79...
... REQUIRED PROPERTIES 4.1 The required properties for corrugated pipe resins containing recycled HDPE are given in Table 1. Specific details of the tests are found in Section 7.
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From page 80...
... f Assume 2.0" gage length. gA common additive package that meets this requirement is 1000 ppm Irganox 1010 plus 500 ppm Irgaphos 168, or an equivalent.
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From page 81...
... ______________________________________________________________________ 7. TEST METHODS 7.1 Test Conditions – Unless otherwise specified in the test methods or in this specification, conduct tests at the standard laboratory temperature of 23 2°C (73.4 3.6°F)
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From page 82...
... DSC curve of HDPE containing PP expanded. 7.6.3 Integrate the curve from a flat point before the PP melting to a point where the PP curve returns to baseline.
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From page 83...
... 7.7.3 Report five results, average, and standard deviation. 7.8 NCLS Stress- Crack Test – Test 1.9-mm plaque for slow crack growth with ASTM F2136 with a notch depth of 20% of the test specimen thickness and under an applied load of 4100 kPa (600 psi)
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From page 84...
... ______________________________________________________________________ 9. CERTIFICATION 9.1 Upon request of the purchaser in the contract or order, a manufacturer's certification that the material was manufactured and tested in accordance with this specification, together with a report of the test results, shall be furnished at the time of shipment.
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Key Terms

  • recycled hdpe
  • corrugated pipe
  • lot sample
  • carbon black
  • containing recycled

  • hdpe containing
  • standard test
  • test five
  • method astm
  • required properties

  • dsc curve
  • standard laboratory
  • differential scanning
  • scanning calorimetry
  • melt index

  • resins containing
  • melting curve
  • manufacturing quality
  • hdpe resin
  • slow crack

  • separate determinations
  • sample preparation
  • tensile properties
  • hdpe corrugated
  • methods astm

  • primarily bottles
  • index astm
  • pipe resins
  • separate portions
  • flow rates


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