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Plastic Packaging Recycling Codes and Typical Plastic Properties

 

 
Polyethylene Terephthalate
(PET)
High Density Polyethylene
(HDPE)
Polyvinyl Chloride
(PVC)
Low Density Polyethylene
(LDPE)
Polypropylene
(PP)
Polystyrene
(PS)
Other Plastics
Properties
Clarity Clear Translucent Clear Translucent Translucent Clear Plastic ID Code "7" is for other plastics
Moisture Barrier Fair to Good Good to Excellent Fair Good Good to Excellent Poor to Fair
Oxygen Barrier Good Poor Good Poor Poor Fair
Max. Temperature 120F 145F 140F 120F 165F 150F
Rigidity Moderate to High Moderate Moderate to High Low Moderate to High Moderate to High
Resistance to Impact Good to Excellent Good to Excellent Fair to Good Excellent Poor to Good Poor to Good
Resistance to Heat Poor to fair Good Poor to Fair Fair Good Fair
Resistance to Cold Good Excellent Fair Excellent Poor to Fair Poor
Resistance to Sunlight Good Fair Poor to Good Fair Fair Poor to Fair


For additional usage information on plastic packaging resins visit the American Plastics Council web site.
 

PET (polyethylene terephthalate) � commonly used in soft drink bottles.

HDPE (high-density polyethylene) � used in milk and water jugs, detergent bottles and the base cups of soft drink containers.

PVC (polyvinyl chloride) � commonly used in durable construction products such as pipes and siding.

LPDE (low-density polyethylene) � used in plastic film items such as grocery bags.

PP (polypropylene) � common in durable items, fibers and diaper liners.

PS (polystyrene) � familiar in foamed form ("Styrofoam" is a particular brand name) as fast-food packaging, hot cups and meat trays; also used in rigid and semi-rigid containers.

Multi-layer or laminates � combine various plastics with different properties in layers with different properties. These are common in food products such as cheese wrap.

Thermoset-material (resin) � capable of becoming permanently rigid when cured.

Thermoplastic-material (resin) � capable of softening or fusing when heated and hardening again when cooled.

Requirements for a successful recycling operation:

  • Acquire a continuous source of high grade materials.
  • Establish cost-effective collection and transportation.
  • Create recycling processing technology and equipment to handle material efficiently and economically.
  • Develop the ability to market both quality and a continuous quantity of materials.
  • Develop markets for end-products.

Definition of the word Recycle
Merriam-Webster Dictionary

Cycle

Main Entry: 1cy�cle
Pronunciation: 'sI-k&l
Function: noun
Etymology: Middle English cicle, from Late Latin cyclus, from Greek kyklos circle, wheel, cycle -- more at WHEEL
Date: 14th century
1 : an interval of time during which a sequence of a recurring succession of events or phenomena is completed
2 a : a course or series of events or operations that recur regularly and usually lead back to the starting point b : one complete performance of a vibration, electric oscillation, current alternation, or other periodic process c : a permutation of a set of ordered elements in which each element takes the place of the next and the last becomes first
3 : a circular or spiral arrangement: as a : an imaginary circle or orbit in the heavens b : WHORL c : RING

Recycle

Main Entry: 1re�cy�cle
Pronunciation: (")rE-'sI-k&l
Date: 1926
transitive senses
1 : to pass again through a series of changes or treatments: as a : to process (as liquid body waste, glass, or cans) in order to regain material for human use b : RECOVER

Recover

Main Entry: re�cov�er 
Pronunciation: ri-'k&-v&r
Function: verb
Inflected Form(s): re�cov�ered; re�cov�er�ing /-'k&-v&-ri[ng], -'k&v-ri[ng]/
Etymology: Middle English, from Middle French recoverer, from Latin recuperare, from re- + (assumed) Latin caperare, from Latin capere to take -- more at HEAVE
Date: 14th century
transitive senses
1 : to get back : REGAIN
2 a : to bring back to normal position or condition <stumbled, then recovered himself> b archaic : RESCUE

 

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