Plastic Container Properties by Recycle Codes PETE HDPE V LDPE PP PS Transparency Clear Translucent Translucent Translucent Translucent Clear Max Useable Temp 140 F 248 F 158 F 176 F 275 F 158 F Brittleness Temp 14 F -148 F -22 F -148 F 32 F 71.6 F Moisture Barrier Good Excellent Fair Good Excellent Fair Sunlight Barrier Good Fair Fair Fair Fair Fair Oxygen Barrier Good Poor Good Poor Poor Fair Tensile Strength, PSI 8000 4000 5000 2000 5000 6000 Flexibility Semi Semi Rigid Flexible Rigid Rigid Resistance to Impact Excellent Excellent Good Excellent Good Fair Invented by J. R. Whinfield and J. T. Dickson, 1940. by Robert L. Banks and J. Paul Hogan, 1951. by Waldo Semon, 1926. by Eric Fawcett and Reginald Gibson, 1935. by Robert L. Banks and J. Paul Hogan, 1951. by Eduard Simon, 1839.
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