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High-density polyethylene

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High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a polyethylene thermoplastic made from petroleum. [1]

61 relations: Autoclave, Bisphenol A, Blow molding, Bottle cap, Branching (polymer chemistry), Catalysis, Chemical compound, Chemical reaction, Chemical resistance, Coaxial cable, Corrosion, Cross-linked polyethylene, Extrusion, Fireworks, Folding chair, Food storage container, Fuel tank, Geomembrane, Geothermal heating, Groundwater, Intermolecular force, Landfill, Landfill liner, Last, Lens (optics), Linear low-density polyethylene, Low-density polyethylene, Medium-density polyethylene, Mortar (weapon), Municipal solid waste, Natural gas, Petroleum, Phillips disaster of 1989, Plastic bag, Plastic bottle, Plastic lumber, Plastic recycling, Plastic surgery, Plumbing, Pollution, Polyethylene, Polypropylene, Polyvinyl chloride, Pyrotechnics, Resin identification code, Root barrier, Shed, Snowboard, Soil, Solvent, ..., Specific strength, Stone paper, Stretch wrap, Temperature, Thermoplastic, Tyvek, Ultimate tensile strength, Ultra-high-molecular-weight polyethylene, Wood-plastic composite, Ziegler–Natta catalyst, 3D printing. Expand index (11 more) »

Autoclave

An autoclave is a pressure chamber used to carry out industrial processes requiring elevated temperature and pressure different from ambient air pressure.

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Bisphenol A

Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups.

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Blow molding

Blow molding (BrE moulding) is a specific manufacturing process by which hollow plastic parts are formed and can be joined together: It is also used for forming glass bottles or other hollow shapes.

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Bottle cap

A bottle cap seals the top opening of a bottle.

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Branching (polymer chemistry)

In polymer chemistry, branching occurs by the replacement of a substituent, e.g., a hydrogen atom, on a monomer subunit, by another covalently bonded chain of that polymer; or, in the case of a graft copolymer, by a chain of another type.

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Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.

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Chemical reaction

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

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Chemical resistance

The chemical resistance of a material or surface can be determined in compliance with ISO 2812 Paints and varnishes – Determination of resistance to liquids – Part 1: Immersion in liquids other than water (ISO 2812-1:2007); German Version EN ISO 2812-1:2007 or Part 4: Spotting methods (ISO 2812-4:2007); German Version EN ISO 2812-4:2007.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Coaxial cable

Cross-sectional view of a coaxial cable Coaxial cable, or coax (pronounced), is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield.

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Corrosion

Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.

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Cross-linked polyethylene

Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.

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Extrusion

Extrusion is a process used to create objects of a fixed cross-sectional profile.

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Fireworks

Fireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes.

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Folding chair

A folding chair is a light, portable chair that folds flat, and can be stored in a stack, in a row, or on a cart.

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Food storage container

Food storage containers are widespread in use throughout the world and have probably been in use since the first human civilizations.

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Fuel tank

A fuel tank (or petrol tank) is a safe container for flammable fluids.

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Geomembrane

A geomembrane is very low permeability synthetic membrane liner or barrier used with any geotechnical engineering related material so as to control fluid (or gas) migration in a human-made project, structure, or system.

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Geothermal heating

Geothermal heating is the direct use of geothermal energy for heating some applications.

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Groundwater

Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.

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Intermolecular force

Intermolecular forces (IMF) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions.

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Landfill

A landfill site (also known as a tip, dump, rubbish dump, garbage dump or dumping ground and historically as a midden) is a site for the disposal of waste materials by burial.

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Landfill liner

A landfill liner, or composite liner, is intended to be a low permeable barrier, which is laid down under engineered landfill sites.

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Last

A last is a mechanical form that has a shape similar to that of a human foot.

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Lens (optics)

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.

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Linear low-density polyethylene

Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins.

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Low-density polyethylene

Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.

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Medium-density polyethylene

Medium-density polyethylene (MDPE) is a type of polyethylene defined by a density range of 0.926–0.940 g/cm3.

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Mortar (weapon)

A mortar is usually a simple, lightweight, man portable, muzzle-loaded weapon, consisting of a smooth-bore metal tube fixed to a base plate (to absorb recoil) with a lightweight bipod mount.

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Municipal solid waste

Municipal solid waste (MSW), commonly known as trash or garbage in the United States and rubbish in Britain, is a waste type consisting of everyday items that are discarded by the public.

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Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Petroleum

Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Phillips disaster of 1989

The Phillips disaster was a devastating series of explosions and fire on October 23, 1989, originating at the Phillips 66 Company's Houston Chemical Complex (HCC) facility near the Houston Ship Channel in Pasadena, Texas, United States.

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Plastic bag

A plastic bag, polybag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile.

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Plastic bottle

A plastic bottle is a bottle constructed from plastic.

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Plastic lumber

Plastic lumber (PL) is a plastic form of lumber (timber) made of virgin or recycled plastic (in which case it can be called RPL).

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Plastic recycling

Plastic recycling is the process of recovering scrap or waste plastic and reprocessing the material into useful products.

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Plastic surgery

Plastic surgery is a surgical specialty involving the restoration, reconstruction, or alteration of the human body.

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Plumbing

Plumbing is any system that conveys fluids for a wide range of applications.

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Pollution

Pollution is the introduction of contaminants into the natural environment that cause adverse change.

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Polyethylene

Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(ethylene)) is the most common plastic.

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Polypropylene

Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

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Polyvinyl chloride

Polyvinyl chloride, also known as polyvinyl or '''vinyl''', commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

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Pyrotechnics

Pyrotechnics is the science of using materials capable of undergoing self-contained and self-sustained exothermic chemical reactions for the production of heat, light, gas, smoke and/or sound.

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Resin identification code

The ASTM International Resin Identification Coding System, often abbreviated as the RIC, is a set of symbols appearing on plastic products that identify the plastic resin out of which the product is made.

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Root barrier

Root barrier is a physical underground wall, placed so that structures and plants may cohabit happily together.

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Shed

A shed is typically a simple, single-story roofed structure in a back garden or on an allotment that is used for storage, hobbies, or as a workshop.

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Snowboard

Snowboards are boards where both feet are secured to the same board, which are wider than skis, with the ability to glide on snow.

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Soil

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.

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Solvent

A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution.

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Specific strength

The specific strength is a material's strength (force per unit area at failure) divided by its density.

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Stone paper

Stone Paper (also traded as Modestone, Rock Paper, Paper from Waste Marble, Mineral Paper, Rich Mineral Paper, Sustainable Paper or Eco Paper) is a type of strong, and durable paper-like product manufactured from calcium carbonate bonded with high-density polyethylene (HDPE).

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Stretch wrap

Stretch wrap or stretch film is a highly stretchable plastic film that is wrapped around items.

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Temperature

Temperature is a physical quantity expressing hot and cold.

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Thermoplastic

A thermoplastic, or thermosoftening plastic, is a plastic material, a polymer, that becomes pliable or moldable above a specific temperature and solidifies upon cooling.

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Tyvek

Tyvek is a brand of flashspun high-density polyethylene fibers, a synthetic material; the name is a registered trademark of DuPont.

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Ultimate tensile strength

Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size.

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Ultra-high-molecular-weight polyethylene

Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene.

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Wood-plastic composite

Wood-plastic composites (WPCs) are composite materials made of wood fiber/wood flour and thermoplastic(s) (includes PE, PP, PVC, PLA etc.). In addition to wood fiber and plastic, WPCs can also contain other ligno-cellulosic and/or inorganic filler materials.

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Ziegler–Natta catalyst

A Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, is a catalyst used in the synthesis of polymers of 1-alkenes (alpha-olefins).

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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3D printing

3D printing is any of various processes in which material is joined or solidified under computer control to create a three-dimensional object, with material being added together (such as liquid molecules or powder grains being fused together).

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References

[1] https://en.wikipedia.org/wiki/High-density_polyethylene

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