Medium density polyethylene

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Topic: Medium density polyethylene

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	LOW, MEDIUM & HIGH DENSITY POLYETHYLENE
		Packaging made from medium density polyethylene (MDPE) is typically used as the intimate contact layer to cassettes containing disc media or bare wafers because of its superior cleanliness.
		High density polyethylene (HDPE) is used by customers that need an extremely tough bag to withstand shipping and handling that retains the cleanliness and good contact clarity of virgin polyethylene.
		Packaging made from low density polyethylene (LDPE) is typically used as the intimate contact layer to silicon “chunk” and wafers because of its superior cleanliness.
	www.richmond-technology.com /html/orange/lmhdpe.html (213 words)

	Ultra High Molecular Weight Polyethylene,High Density Polyethylene Manufacturers,Ultra High Molecular Weight Polyethylene Manufacturers,High Density Polyethylene Wholesale
		Polyethylene (PE) is one of the largest volume thermoplastics used today and is available in a wide range of grades and formulations (commonly grouped into Low, Medium and High density) and ULTRA High Density.
		Bhilwara Polymers is leading manufacturer of UHMW HDPE sheets and ultra high molecular weight polyethylene, high density polyethylene.
		We are a reputed progressive company specialized in the manufacture of ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE, HIGH DENSITY POLYETHYLENE under our brand name POLY STEEL - 2000 since 1983.
	www.indiamart.com /bhilwara-polymers (644 words)

	98406.011227&ELEMENT_SET=DECL
		Relatively higher density LDPE, typically in the range of 0.928 to 0.940g/cm3, is sometimes referred to as medium density polyethylene ("MDPE").
		As used herein, the terms"linear low density polyethylene"polymer and"LLDPE"polymer refer to a homopolymer or preferably copolymer of ethylene having a density of from 0.916 to 0.940 g/cm3.
		Low density polyethylene ("LDPE") can be prepared at high pressure using free radical initiators, or in gas phase processes using Ziegler-Natta or vanadium catalysts, and typically has a density in the range of 0.916-0.940
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/98406.011227&ELEMENT_SET=DECL (9280 words)

	SPI: About the Industry: Definitions of Resins
		Low molecular weight polymers of ethylene are fluids used as lubricants; medium weight polymers are waxes miscible with paraffin; and the high molecular weight polymers (i.e., over 6000) are the materials used in the plastics industry.
		It has a low density, is fairly rigid, has a heat distortion temperature of 150 to 200 degres F (making it suitable for “hot-fill” packaging applications), and excellent chemical resistance and electrical properties.
		The low density types are polymerized at very high pressures and temperatures, and the high density types at relatively low temperatures and pressures.
	www.socplas.org /industry/defs.htm (4802 words)

	Hdpe sheet, plastic sheet, high density polyethylene sheet, plastic sheeting
		HMW (High Molecular Weight) HDPE (High Density Polyethylene) MDPE (Medium Density Polyethylene) LDPE (Low Density Polyethylene) Several types of additives can be added to polyethylene, for example : Colorants : We match your colors.
		Low sheet orientation is particularly important when thermoforming extra high molecular weight HDPE sheet in deep draw parts because it can help optimize wall distribution.
		Of course, drawdown must also be limited when extruding mineral reinforced HDPE compounds because inorganic materials reduce the ductility of the molten sheet.
	www.extruflex.net (750 words)

	FLSI Product 2
		This is a lightweight film monolayer membrane material consisting of a blended medium density polyethylene.
		is manufactured from microbiological resistant polyethylene resins and offers optimum chemical resistance, with weathering capabilities and stress absorption properties.
		This product is used mostly for larger ponds, including lagoons, canal liners, fire ponds, remediation liners, cargo covers, oil field pit liners, silage covers, outdoor covers, brine ponds, mine trailing ponds, interim landfill caps, leachate collection ponds.
	www.greatwesternliner.com /HDPE.html (875 words)

	Equistar Petrothene® GA 643-662 Linear Low Density Polyethylene
		PETROTHENE GA 643-662 is a linear medium density polyethylene for rotomolding a variety of objects, including drums, agricultural and chemical storage containers, playground equipment and municipal trash containers.
		Subcategory: Polyethylene; Thermoplastic; LLDPE; Polymer; Equistar Linear Low Density Polyethylene; Equistar Polyethylene
		Equistar Petrothene® GA 643-662 Linear Low Density Polyethylene
	www.matweb.com /search/SpecificMaterialText.asp?bassnum=PEQU0359 (303 words)

	High Density Polyethylene — HDPE
		MDPE (Medium Density Polyethylene) is used for gas pipes and fittings.
		High mould shrinkage and poor UV resistance.
		For more information on Plascams please visit RAPRA Technology Ltd.
	www.azom.com /details.asp?ArticleID=421 (71 words)

	PLASTICS MUSEUM
		Different polyethylenes have different characteristics, low, medium or high density; recently linear low density polyethylene has been developed which is better than the traditional low density product.
		It is like polyethylene in density, but has a slightly lower density, and greater rigidity and is harder.
		Polyethylene’s characteristics are: low cost, easy manufacture, tenacity and flexibility at low temperatures, it is odourless and untoxic, transparent.
	www.sandretto.it /museo/inglese/eplasti.htm (2267 words)

	Polyethylene - Wikipedia, the free encyclopedia
		PEX is a medium- to high-density polyethylene containing cross-link bonds introduced into the polymer structure, changing the thermoplast into an elastomer.
		Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while heating diazomethane.
		The first industrially practical polyethylene synthesis was discovered (again by accident) by Eric Fawcett and Reginald Gibson at ICI Chemicals in 1933.
	en.wikipedia.org /wiki/Polyethylene (1373 words)

	high density - bottle density foam high plastic polyethylene
		REVINCA is a leader factory in the production of high density polyethylene (HDPE) pipes medium and low density polyethylene pipes, conduits for electricity and telecommunications and ducts for the Venezuelan, Colombian and the Caribbean markets
		Indiana Bottle Co. and Georgia Bottle Co. specialize in blow molded plastic containers in high or low density polyethylene or polypropylene.
		Proprietary technology platform of high density protein, peptide and small molecule arrays accelerate crucial steps in drug lead discovery and enable the development of agonists / antagonists for conventional classes of drug targets as well as for more complex protein - protein interactions.
	chemicaldex.com /topics/high-density.html (1373 words)

	Storage Bins, Round, Linear Medium Density Polyethylene (LMDPE) - UK (United Kingdom)
		Storage Bins, Round, Linear Medium Density Polyethylene (LMDPE) - UK (United Kingdom)
		Storage Bins, Round, Linear Medium Density Polyethylene (LMDPE) - UK
		Stakrak Ltd, Redhill, UK Racking and shelving competitively priced and fast!
	81.144.182.11 /gb-product-89102.html (1373 words)

	Dr. Kyu
		The Crystalline Relaxation Mechanisms of Low- and Medium-Density Polyethylene, T. Kyu, N. Yasuda, S. Suehiro, S. Nomura and H. Kawai, Polym.
		Dynamic Birefringence Behavior of a High-Density Polyethylene Having Row-Nucleated Crystalline Texture of C-axis Orientation," T. Kyu, N. Yasuda, S. Suehiro, T. Hashimoto and H. Kawai Polymer 21, 1205 (1980).
		Mechanical and Optical Retardation Spectra of High-Density Polyethylene Having Row-Nucleated Crystalline Texture of C-axis Orientation," T. Kyu, S. Suehiro and H. Kawai, Polym.
	www.poly-eng.uakron.edu /kyu_pub.htm (3999 words)

	Waste Age: Plastic Film
		The diversity of products, colors and resins, such as low-density polyethylene (LDPE), linear LDPE, high-density polyethylene (HPDE), polypropylene and polyvinyl chloride (PVC), make plastic film difficult to recycle.
		PLASTIC FILM IS A THIN gauge packaging medium used as a bag or a wrap.
		Plastic film is less than 10 mils in thickness, with an average of 0.7 mils to 1.5 mils.
	www.findarticles.com /p/articles/mi_m0CYQ/is_11_33/ai_94034259 (537 words)

	GN Online: Borouge capacity to hit 1.2m mt by 2007
		The facility has a 600,000-tonne ethylene cracker and two polyethylene plants, each capable of producing 225,000 tonnes of high, medium and low-density products.
		The bimodal polyethylene manufacturing plant, Borouge, is going to expand its capacity in two phases, in 2005 and 2007, to lift its annual production capacity from the current 450,000 metric tonnes to 1.2 million metric tonnes, said an official of the Ruwais-based plant.
		"When the first phase of expansion completes in 2005, we will be able to produce 600,000 metric tonnes of polyethylene annually.
	www.gulf-news.com /Articles/print.asp?ArticleID=82703 (333 words)

	Sun.Star Iloilo - City exec justifies purchase of costly garbage bins
		The 40 units of medium density polyethylene garbage receptacles were purchased at P5,200 each in February from the Iloilo Izeem Commercial owned by Avelino Awyong.
		Gallo explained polyethylene is a type of plastic that serves as a liner for waste treatment pond and sanitary landfills to prevent the ground from absorbing polluted water.
		The cost of the garbage bins, he said, is worth the service it will provide.
	www.sunstar.com.ph /static/ilo/2005/04/02/news/city.exec.justifies.purchase.of.costly.garbage.bins.html (333 words)

	PEX Products
		Cross-linked Polyethylene (PEX) is a thermoset material made from medium or high density, cross-linkable polyethylene meeting the requirements of ASTM F876 and F877.
		PEX tubing is also widely used for heat transfer applications - both low-temperature (radiant floor heating, snow melting, and ice rinks), as well as distribution piping for temperatures up to 200 F (hot water baseboard, convectors, radiators, etc.).
		PEX tubing is recognized as acceptable for water distribution piping in most model plumbing codes.
	www.ppfahome.org /pex (291 words)

	Morey Mach 4 44" Boogie Bodyboard - Boogie Boards- Morey Bodyboards, BZ Bodyboards, Wham-O Malibu Boogie Boards
		Dow® (WaveCore) - Using the finest grade polyethylene blanks available, Wavecore features a strong, medium-density, closed-cell foam made of super strong polymeric chains and it is suitable for both warm and cold water.
		The Mach 4 is equipped with a bat tail and channels for speed and maneuverability.
		The Morey Mach 4 44" Boogie Bodyboard is an ideal, affordable performance board for the larger intermediate to advanced rider.
	www.sportsunlimitedinc.com /mach4board.html (237 words)

	Polyethylene resin selection guide for Poly Tanks, Plastic IBCs. Safe poly double wall tanks.
		Linear polyethylene is available as low, medium and high density.
		The linear polyethylene we use meets specifications contained in FDA regulation 21CFR177.1520 (c) 3.1 and 3.2 and so may be used as an article or a component of articles intended for use in contact with food, subject to any limitations in the regulations.
		Today, linear polyethylene tanks provide excellent service and are recyclable and repairable and should be used whenever possible.
	www.safetanks.com /plastics.html (237 words)

	Overview
		Comprehensive LDPE products range from homopolymers, low VA copolymers and medium density PE, with grade slates constantly expanding to accommodate new product applications.
		Vinyl acetate is introduced into the polyethylene molecule to modify sealing, low temperature impact and adhesion characteristics.
		LDPE has been one of the most useful and versatile polyolefins ever produced.
	www.exxonmobilchemical.com /Public_Products/Polyethylene/Polyethylene/AsiaPacific/Grades_and_Datasheets/PE_GradeInfo_LDPE.asp (237 words)

	Oriented polypropylene film substrate and method of manufacture - Patent 4345005
		Tests (2) and (3) were on a coextruded homopolymer polypropylene core having ethylene propylene copolymer 3% ethylene outer layers, and a homopolymer polypropylene core having medium density polyethylene outer layers, respectively.
		The homopolymer polypropylene core layer is 80% to 100% isotactic, and preferably 95% to 96% isotactic, that is they have a type of polymeric molecular structure containing a sequence of regularly spaced asymmetric atoms arranged in like configuration in the polymer chain.
		Further, the homopolymer polypropylene core layer has a melt index of from about 2 to about 10 grams/10 minutes, and preferably a melt index of about 3.5-6 grams/10 minutes.
	www.freepatentsonline.com /4345005.html (1366 words)

	Overview
		These are excellent modifiers as a result of their good compatibility with SBR-type rubbers, butyl rubber, ethylene propylene (EP) rubber, SBC, polybutenes, low density polyethylene (LDPE) and atactic polypropylene.
		They are designed to tackify a variety of polymers including EVA copolymers and medium/high styrene content SIS and SBS block copolymers.
		They are ideal for water white adhesive blends in combination with SIS (styrene-isoprene-styrene) or EVA and atactic polyolefinic polymers.
	www.exxonmobilchemical.com /Public_Products/Adhesion_Products/Resins/AsiaPacific/Grades_and_DataSheets/Res_Grade_Overview.asp (1366 words)

	Outdoor Equipment Guide - Ocean Kayak PRO SI 129
		The PRO SI 129 is made of linear, medium-density polyethylene, which may be the indestructible and economical material to use in the construction of a kayak.
		This material allows for the kayak to have the proper amount of stiffness, but maintains enough flexibility so that slight amounts of bending such as caused by car topping the kayak are not an issue.
		Kayaking is without a doubt the fastest growing paddle sport in the United States today.
	www.oegmag.com /OceanKayakPROSI129.asp (1366 words)

	Roof Access & Protection With Boardwalk Modular Platforms Systems
		BoardWalk platforms are rotary moulded in medium density polyethylene, specially designed for products requiring a high degree of rigidity.
		BoardWalk is a Modular Platform System designed to provide safety and protection over a wide range of applications.
		Initially, BoardWalk modular platforms were designed for low pitch roofing where access is required for maintenance to roof-top plant and machinery.
	www.boardwalk.co.nz (214 words)

	Encyclopedia of Waxes
		Polyethylene waxes are manufactured from low molecular weight, high-density raw materials, designed to give the particular performance characteristics required by industry.
		There are basically three types of slack wax produced, the type depending on the viscosity of the lube oil being dewaxed: low neutral, medium neutral, and heavy neutral.
		Petrolatum is the wax byproduct of the heaviest lube oil, bright stock.
	www.candlecauldron.com /waxandwicks.html (214 words)

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