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Topic: HDPE

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	HDPE Bottles
		HDPE resin also can be used to make bottle and container caps, and flexible packaging such as sacks and trash bags.
		HDPE bottles and containers use the No. 2 in the plastic resin code.
		HDPE bottles and containers began displacing heavier metal, glass and paper packages in the 1970s.
	wasteage.com /mag/waste_hdpe_bottles_2 (554 words)

	Colorado Lining's product overview of HDPE geomembrane lining material.
		HDPE is the most widely used geomembrane in the world and is used more commonly internationally due to its availablility and relatively inexpensive material cost.
		HDPE is delivered to the project directly from the factory in 22.5'-wide rolls and is custom-fitted in the field to the designed configuration.
		HDPE is a good lining product, but it can be difficult to install due to its lack of flexibility and the technical nature of field work.
	www.coloradolining.com /products/hdpe.htm (497 words)

	High density polyethylene - Wikipedia, the free encyclopedia
		HDPE has little branching, giving it stronger intermolecular forces and tensile strength than lower density polyethylene.
		HDPE is also used for cell liners in subtitle D sanitary landfills, wherein large sheets of HDPE are either extrusion or wedge welded to form a homogeneous chemical-resistant barrier, preventing the pollution of soil and groundwater by the liquid constituents of solid waste.
		One of the largest uses for HDPE is wood plastic composites, with recycled polymers leading the way.
	en.wikipedia.org /wiki/High_density_polyethylene (194 words)

	Polyethylene - Wikipedia, the free encyclopedia
		HDPE is defined by a density of greater or equal to 0.941 g/cc.
		HDPE is also widely used in the fireworks community.
		In tubes of varying length (depending on the size of the ordnance), HDPE is used as a replacement for the supplied cardboard mortar tubes for two primary reasons.
	en.wikipedia.org /wiki/Polyethylene (1660 words)

	Welcome to HDPE.com (Site not responding. Last check: 2007-09-19)
		HDPE pontoons to be made from foam filled, PE 3408 High Density Polyethylene Pipe, with full surface heat fused end caps.
		HDPE end caps to be machine fabricated from flat stock and butt fused to pipe using full surface heater plates.
		HDPE mounting tabs to be machine fabricated to ensure a tight fit to pipe wall radius and full surface heat fused.
	www.hdpe.com /Dock_Specs.shtml (341 words)

	Quality Lining Co., Inc. - Your complete source for HDPE Geomembrane Lining. QLC crews are available to furnish and ...
		HDPE resin is formulated for Ultraviolet and Ozone resistance and is an excellent geomembrane to use in an exposed environment.
		The HDPE geomembrane is produced in a 22.5' roll width for the smooth surface material and 23.0' wide for the textured surface material and is available in thicknesses ranging from 40 to 100 mil.
		Pipe boots are fabricated to provide for an HDPE sleeve that is banded in order to compression seal the geomembrane to the pipe, or may be extrusion welded to an HDPE pipe.
	www.qlining.com /geomembrane.html (522 words)

	NICBM » HDPE Pipes (Site not responding. Last check: 2007-09-19)
		"HDPE Pipe" factory was established in 2002 in response to the ever increasing demand in Kuwait and neighbouring countries.
		HDPE pipes ranges from 400 to 4000mm., and are produced in accordance with international standard including; German (DIN), British (BS), European (ISO), American (ASTM), Saudi Arabia and kuwaiti Standards.
		HDPE Pipe factory is capable of producing its products to other standards when required by our clients.
	www.nicbm.com /eHDPE.html (402 words)

	HDPE Plastic Containers
		Many people consider HDPE plastic to be the best material for storing food, water, beverages, vitamins, supplements, herbs, teas, and body products.
		HDPE plastic is approved for storing food and beverages by the US Food and Drug Administration.
		HDPE plastic can be identified by it's milky semitransparent or solid white color.
	www.hdpe-containers.com (280 words)

	FLSI Product 2
		Because HDPE is resistant to a broad range of chemicals in varying degrees of concentration as well as sunlight and UV attack, it is an excellent application for leach pads, wastewater ponds, landfills, aquaculture systems, landfill covers, secondary containment and tanks.
		HDPE lining systems are extremely durable and can withstand the fluctuating extreme heat and bitter cold weather elements they are constantly exposed to.
		HDPE can be attached to steel tanks, concrete foundations or used as a floating or fixed roof cover on the tank.
	www.fieldliningsystems.com /HDPE.html (875 words)

	How to Build a Robot Tutorial - Society of Robots
		HDPE is the perfered choice in material for lightweight robots due to its affordability, high strength, and easy machinability (power tools not required).
		HDPE is a flexible material, so if you plan to have not very wide parts, you may want to get a thicker piece of it.
		HDPE is very weak when it is made thin, so the tapped threads will end up being lose and will fail after only a few uses.
	www.societyofrobots.com /materials_hdpe.shtml (1386 words)

	Clean Washington Center
		HDPE is one of the most versatile plastic resins used in the packaging industry, and is used in bottle, film and injection-molded packaging applications.
		HDPE is especially desirable in blow-molded bottle applications where it provides excellent physical and chemical strength properties, ease of processing and forming, resistance to breakage, and favorable costs.
		HDPE bottles are used to package a range of consumer products including milk, juice, spring water, vinegar, dish and laundry detergent household chemicals such as floor cleaners, ammonia, bleach, drain cleaners, motor oil and other automotive products; and, health and personal care products such as rubbing alcohol, peroxide, shampoos, and conditioners.
	www.cwc.org /hdpe/hdpe1.htm (1819 words)

	30 mil PVC equivalent to 60 mil HDPE
		It should be noted that since minimum average roll value is used in calculating the thickness of the HDPE material, it is considered adequate for a thickness measurement of 51 mils (-15%) to be accepted for one or two of the measurements, as long as the minimum average of the measurements is above 0.054 inches.
		HDPE geomembrane must not be subjected to unequal stresses in order to minimize stress cracking.
		An example is that HDPE geomembranes require a neoprene gasket when attaching it to a solid structure such as a concrete wall or steel support.
	www.geomembrane.com /TechPapers/30milPVC=60milHDPE.htm (2495 words)

	Lane Enterprises \| HDPE
		HDPE pipe is regarded by many engineers and agencies as the product of choice for small diameter drainage applications.
		HDPE has a favorable strength to weight ratio made possible by the combined stiffness of the pipe and soil working together.
		HDPE Pipe is unique in that there is only one wall configuration for each pipe diameter.
	www.lane-enterprises.com /hdpe_overview.php (371 words)

	HDPE Plastic Bottle
		HDPE (high density polyethylene) plastic bottles offer a mildly stiff impact resistant bottle, with a great moisture barrier.
		HDPE (High Density Polyethylene) is a moderately stiff plastic bottle with good heat resistance.
		HDPE plastic bottles tend to be moderately stiff as well as highly durable.
	www.sks-bottle.com /340c/HDPE-PlasticBottles.html (128 words)

	Whitewater Docks - HDPE Pipe Docks - About HDPE Pipe
		HDPE is used for a variety of industrial applications such as corrosive gases, fuel gases, water, and sewage.
		HDPE is very tough, ductile, leakproof, and is extremely difficult to puncture.
		HDPE can be safely located outside in most climates for many years without damage from UV exposure.
	www.hdpedocks.com /AboutHDPE.htm (311 words)

	HDPE Pressure Pipe Manufactured by Oxford Plastics Inc
		Hdpe pressure pipe is made from high density polyethylene which is a crystalline resin or polymer known for its flexibility, toughness and chemical resistance.
		hese features make hdpe pressure pipe well suited for those applications or industries requiring a pipe that is strong, durable, corrosion resistant and yet flexible enough to be assembled and installed in the most inaccessible and harsh environments.
		Since hdpe pressure pipe is fusion welded together and the weld is as strong as the original pipe, it is a monolithic or one piece pressure piping solution.
	www.oxfordplasticsinc.com /hdpepipe.htm (721 words)

	ISCO Industries: HDPE Pipe and Piping Solutions
		It is even possible to pull several hundred feet or more of HDPE pipe after it has been butt fused together, since you actually have created a section of monolithic pipe.
		HDPE can handle a scratch as deep as 10% of the wall thickness, without reducing the pressure rating of the pipe.
		HDPE piping systems are also more surge tolerant than PVC, which means less repairs caused from pressure surges.
	www.isco-pipe.com /reference_center/ask_engineer_archive.asp (648 words)

	HDPE Alloy, Pond Liners, Fish Grade Liners, Potable Water Grade Liners,Containment Liners, Tear Resistance, Tear ...
		The HDPE Alloy is chemically inert, non-leachable and is resistant to root penetration, rodents and microbials (it is not a food source).
		The 20 mil HDPE Alloy is equivalent to a 30 mil polyethylene in terms of resistance to petroleum compounds, tensile strength, resistance to sunlight degradation (UV) and elongation.
		This HDPE Alloy meets ASTM standards for D-3083 Soil Burial tests and is resistant to root penetrations, rodents and microbials (not a food source).
	www.geocheminc.com /hdpealloy.htm (1898 words)

	Welcome to Oriplast
		Ori-Plast HDPE pipes have also found application in sprinkler irrigation systems, sand stowing in mines, sugar industry, boiler ash disposal systems in power plants, submarine piping system for sea water intake, floating dredge pipes for on-shore and off-shore applications, among others.
		Resistance to chemicals - HDPE pipe is inert to a large number of chemicals such as mineral acids and alkalis.
		HDPE pipes can be exposed to temperatures up to 80 degree centigrade for a prolonged period and even up to 120 degree centigrade depending on the load and the duration of the exposure.
	www.oriplast.com /hdpe_pipes_fittings.htm (674 words)

	HDPE Resin Profile: Plastics Market Guide
		Injection-molded HDPE is resistant to warpage and distortion.
		Estimates of California HDPE bottle generation (generation = disposal + recovery) (taken from the Society of Plastics Industries (SPI) and factored to California (using a factor of 10 percent of U.S. total) indicate that about 200,000 tons of HDPE rigid containers were generated in California in 1996.
		HDPE recovery estimates (from the CIWMB's Rigid Plastic Packaging Container Program, 1997) indicate that about 34,000 tons of HDPE were recovered from the waste stream in 1996, the latest year for which estimates are available.
	www.ciwmb.ca.gov /Plastic/Markets/HDPEProfile.htm (447 words)

	FURTHER INFORMATION ABOUT HDPE MORTARS
		With respect to HDPE and exposure to sunlight, it was suggested that sunlight is capable of degrading the performance characteristics of HDPE.
		Even the standard for the HDPE pipe used by the natural gas companies, which is only weakly pigmented with an orange colorant, is to allow its use after 2 years of continuous exposure to sunlight.
		There are several different HDPE resin types and their properties do very significantly from one resin type to another; however, for a given resin type there are essentially no variations between batches.
	www.pyropage.com /HDPE/HDPE.vs.steel4.html (910 words)

	APR Design Guidelines: Pigmented HDPE
		Paper labels are undesirable and should be avoided as they can increase contamination in the HDPE due to fiber and adhesive carry-over through the reclamation process.
		If layers must be used, their content should be minimized to the greatest extent possible to maximize HDPE yield and reduce potential contamination and separation costs.
		Higher percentages can contaminate the HDPE for many recycling applications, as these materials are difficult to separate from HDPE in conventional systems.
	www.plasticsrecycling.org /old/guidelines-pighdpe.asp (983 words)

	Valsir - F.A.Q. HDPE
		According to the UNI EN 1519-1 standards, HDPE utilised for waste systems must not be used under pressure, however the HDPE wall thickness, up to diameter 160 has the same wall thickness as the PN4 pressure range, whereas the remaining pipes correspond to the PN3, 2 range.
		The UNI EN 1519-1 standard only refers to HDPE pipes and fittings for waste systems inside buildings, however the raw material is the same material used to manufacture pressurised HDPE to transport H2O.
		HDPE is a translucent white colour in its initial state.
	www.valsir.com /eng/prodotti/pehd/faq.htm (1068 words)

	MSU Online Catalog - Physical Education Courses
		PREREQUISITE: HDPE 224, HDPE 251, HDPE 252, and HDPE 253.
		Students are encouraged to synthesize theoretical and clinical knowledge to develop a problem-based learning approach to curricular decision making as applied to public school settings.
		PREREQUISITE: HDPE 267and HDCF 371 or consent of instructor
	www.montana.edu /wwwcat/courses/hdpe.html (1987 words)

	HDPE Chosen For Government Pilot Project
		HDPE was not one of the pipe options on the original bid.
		When CAWCD learned from several experts in the HDPE industry that the rare maintenance occurrences with the pipe were almost always associated with third party damage, the water company jumped at the opportunity to implement the pipe.
		The HDPE industry has been preaching the “long life / leak free” sermon for years, but until lately the majority of water managers have been slow to change from traditional methods and materials.
	www.mcelroy.com /fusion/media/articles/hdpe.htm (1583 words)

	Polyethylene Film, LDPE, HDPE Technical Information
		High density PE resins (HDPE) have molecular chains with comparatively few side chain branches.
		HDPE resins range from 0.941 to 0.965 g/cm3
		The Comonomers used most often with LLDPE and HDPE are collectively called alpha olefins.
	www.blueridgefilms.com /page2.htm?kc=8oe5Snnewa2xXdYIYhbaX9wdwAqjc3JAnETxuZcz (779 words)

	HDPE Pipe Systems
		HDPE pipe is lighter than traditional piping material, and that results in substantial savings for handling and faster, less costly installation.
		The exceptionally smooth inner surface of HDPE pipe offers minimal resistance to flow and the flow remains relatively constant for the life of the pipe, unlike other piping products that must allow for a reduction in flow capacity over time.
		When using HDPE pipe a higher maximum flow rate for a given size can be expected compared to other types of piping materials.
	www.hdpe-pipe.com /pages/hdpe.htm (303 words)

	HDPE Liner (Site not responding. Last check: 2007-09-19)
		Our HDPE is produced on state-of-the-art 3 layer extruders to 7.0 m and 8.0 m wide rolls to ISO 9001.
		An HDPE geomembrane can prevent contamination of water and soil by providing a highly resistant barrier to chemicals produced during the extraction of precious metals.
		The primary method for sealing HDPE is on-site by fusion using a portable hot wedge welder.
	www.permathene.com /htm/hdpe.htm (479 words)

	HDPE Pipe App
		Most detrimental to joining is HDPE's tendency to cold-flow over time when subjected to a constant load.
		Additionally, the surface finish of HDPE pipe has a low frictional coefficient and the pipe ends "toe-in" after being cut.
		A stainless steel cylinder is positioned into a short section of HDPE pipe (pup) and expanded hydraulically to create an interference fit with the pipe.
	www.smith-blair.com /html/hdpe_pipe_app.html (580 words)

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