
1) Commodity chemical 2) Polythene 3) Synthetic resin 4) Transparent material
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https://www.crosswordclues.com/clue/polyethylene

1) Polythene
Found on
https://www.crosswordclues.com/clue/polyethylene

Polyethylene or polythene (IUPAC name poly(ethene)) is a thermoplastic commodity
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http://en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms

Also called Polyethane. A large hydrocarbon molecule formed by the polymerisation of ethylene (ethane).
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http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/p.html

(from the article `industrial polymers, major`) Ethylene, commonly produced by the cracking of ethane gas, forms the basis for the largest single class of plastics, the polyethylenes. Ethylene ... ...it is extruded flat, instead of in the form of a fibre. It is still very popular but is highly sensitive to water and to changing humidity...
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http://www.britannica.com/eb/a-z/p/90

A plastic sheeting material that can be used as a vapor retarder (used, for example, to make grocery bags). It is a long chain of carbon atoms with two hydrogen atoms attached to each carbon atom.
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http://www.daviddarling.info/encyclopedia/P/AE_polyethylene.html

A registered trademark for plastic sheeting material that can be used as a vapor retarder. This plastic is used to make grocery bags. It is a long chain of carbon atoms with 2 hydrogen atoms attached to each carbon atom.
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http://www.electromn.com/glossary/p.htm

A semi-transparent plastic used in sheets as vapor barriers or for packaging and containers; made in high density (HDPE) and low density (LDPE) varieties. Low in toxicity, it produces low risk vapours when burned.
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http://www.encyclo.co.uk/local/20453

A tough, sturdy plastic film having very good, low temperature characteristics. Often used in the creation of Zebra media
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http://www.encyclo.co.uk/local/20618

An extruded, tough stretchy film having limited temperature resistance but good moisture barrier properties.
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http://www.encyclo.co.uk/local/20829

(pol″e-eth´ә-lēn) polymerized ethylene, (—CH2—CH2—)n, a synthetic plastic material, forms of which have been used in reparative surgery. polyethylene glycol a polymer of ethylene oxide and water, available in liquid form (polyethylene glycol 300 or 400) ...
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http://www.encyclo.co.uk/local/21001

Polyethylene is a thermosetting plastic polymer of ethylene mass produced since 1939. It is an inexpensive plastic widely used in the manufacture of plastic bags, beverage bottles and extruded pipe. Polythene is a proprietory name for polyethylene made by one manufacturer.
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http://www.probertencyclopaedia.com/browse/GP.HTM

A thermoplastic material composed of polymers of ethylene. It is normally a translucent, tough, waxy solid unaffected by water and a large range of chemicals.
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http://www.qorpak.com/pages/ContainersandClosuresPlasticGlossary

A thermoplastic material composed of ethylene polymers. Polyethylene has excellent electrical and mechanical properties and is used an insulating material in cable.
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http://www.youngco.com/young2.asp?ID=4&Type=3
(PE) A thermoplastic material composed by polymers of ethylene. It is normally a translucent, tough, waxy solid which is unaffected by water and by a large range of chemicals. It can be supplied in high or low density depending on application and is suitable for indoor and outdoor uses. It has good resistance to chemicals and low temperature...
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https://www.dwplastics.co.uk/glossary/

A thermoplastic material composed by polymers of ethylene. It is normally a translucent, tough, waxy solid which is unaffected by water and by a large range of chemicals.
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https://www.emcoplastics.com/plastic-glossary-of-terms/

Plastic used heavily in the packaging industry.
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https://www.encyclo.co.uk/local/20687
polythene noun a lightweight thermoplastic; used especially in packaging and insulation
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https://www.encyclo.co.uk/local/20974

Rigid, higher density foam material ideally suited for items with higher concentrations of weight.
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https://www.encyclo.co.uk/local/21080

Alternative term for polythene
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https://www.encyclo.co.uk/local/21221

A plastic that permits the passage through it of air and other gases but not of moisture.
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https://www.encyclo.co.uk/local/22488

A registered trademark for plastic sheeting material that can be used as a vapor retarder. This plastic is used to make grocery bags. It is a long chain of carbon atoms with 2 hydrogen atoms attached to each carbon atom.
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https://www.encyclo.co.uk/local/22819
(PET) used for high speed applications and to provide a ‘no label’effect on Filmic labels
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https://www.encyclo.co.uk/local/23084

A family of resins obtained by polymerizing the gas ethylene.
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https://www.encyclo.co.uk/local/23693

A type of plastic formed by the polymerization of ethylene. Different structural properties come from differences in molecular weight, branching, cross-linkage and crystallinity. The most common form used in orthopedic devices is ultra-high molecular weight polyethylene (UHMWPE).
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https://www.ioshospital.com/orthopaedics/learnMore/glossaryOfTerms.aspx
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