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Topic: Resin identification code

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	SPI: Outreach and Education: Community Involvement- SPI Resin Identification Code - Guide to Correct Use
		The integrity of coding systems is therefore dependent on the good faith efforts of manufacturers to use the codes in keeping with their intended purposes.
		Coding enables individuals to perform quality control (i.e., sorting) before recycling, ensuring that the recycled plastic is as homogenous as possible to meet the needs of the end markets.
		Observance of these guidelines is essential to the integrity of the SPI resin identification code's stated mission: to facilitate the recovery of post-use plastics.
	www.plasticsindustry.org /outreach/recycling/2124.htm (1212 words)

	Resin identification code - Wikipedia, the free encyclopedia
		The code below is called the SPI resin identification coding system, developed by the American Society of the Plastics Industry in 1988.
		The symbols used in the code consist of arrows that cycle clockwise to form a rounded triangle and enclosing a number, often with an acronym representing the plastic below the triangle.
		Use of the recycling symbol in the coding of plastics has led to ongoing consumer confusion about which plastics are readily recyclable.
	en.wikipedia.org /wiki/Resin_identification_code (323 words)

	Plastic Resins
		Many plastic containers display a resin identification code on the bottom to indicate what type of plastic the container is made from.
		This code does not mean the container is made from recycled plastic, nor does it mean the plastic is recyclable.
		Recyclers want to sort plastic containers by the type of resin so that the properties of the individual resin can be maintained and then manufacturers can reuse the material in the highest value end-use possible.
	www.ciwmb.ca.gov /Packaging/plastic/symbols.htm (329 words)

	Food & Drug Packaging: European Union Considers Resin Identification Code for Plastic Packaging
		Although this packaging material identification system uses a numbering and abbreviation scheme that is quite similar to SPI's RIC, it does not include the triangular chasing arrows included in the American system, and uses some abbreviations for materials that are different than those used in the United States.
		For example, the EU abbreviation for polyethylene terephthalate is PET (under SPI's scheme, it is PETE), and the abbreviation for polyvinyl chloride is PVC (not V as it is in the U.S.).
		Because compliance with this identification system is now voluntary, member states have so far permitted the use of packaging displaying the SPI RIC code or any other type of marking, or no marking at all.
	www.findarticles.com /p/articles/mi_m0UQX/is_3_63/ai_54176046 (589 words)

	All Plastic Bottles
		Consumers want to recycle their plastics but the resin identification code can be confusing.
		In some cases the code is difficult to locate on a bottle.
		In addition, the resin code is on wide mouth containers and some films, prompting consumers to ask why these aren’t recycled in their curbside or drop-off program.
	www.cpia.ca /allplasticbottles/collect.php (589 words)

	Plastics Recycling Statistics
		Different combinations of monomers produce plastic resins with different characteristics, such as strength or molding capability.
		Plastic resins are processed in several ways, including extrusion, injection molding, blow molding, and rotational molding.
		Municipal recycling programs traditionally target packaging containers, and the SPI coding system offered a way to identify the resin content of bottles and containers commonly found in the residential waste stream.
	www.solidwastedistrict.com /stats/plastics.htm (831 words)

	Resin, cleaning resin, k resin (Site not responding. Last check: 2007-10-13)
		Copal is not the fossilized, hardened resin that is known as amber, but rather an...
		The resin is not termed copal because the polymerisation has not yet adequately...
		Resins are found in nature and are chiefly of vegetable origin.
	www.classicgame.org /resin.html (860 words)

	CBOT sampling protocols
		The Society of the Plastics Industry (SPI) established a resin identification code in 1987, that contains a number, surrounded by the “chasing arrows” recycling symbol, followed by an abbreviation for the specific plastic it represents.
		This identification code is imprinted on most plastic packages manufactured in the United States to aid in the identification of plastics for recycling.
		Food-contact packaging applications are one of the largest uses of PET plastic resin in the United States.
	www.cwc.org /pet_bp/pbp1-0001.htm (2728 words)

	History of Polymer & Plastic - Teacher Background Info (Site not responding. Last check: 2007-10-13)
		When testing the resins, be sure to use safety goggles and perform the tests in a lab fume hood.
		Of the most common resins, polyethylene (PET) and polypropylene (PP) both have a translucent, waxy texture, and are the only non-foam plastics that float in water.
		LDPE is the preferred resin on older unconverted film extrusion equipment due to its ease of extrusion.
	teachingplastics.org /hands_on_plastics/intro_to_plastics/teachers.html (4969 words)

	NRC, SPI Join Forces To Identify Plastic Resins
		In 1988, SPI developed the voluntary resin identification code, a number from one to seven surrounded by chasing arrows with an acronym, to help recycling collectors and processors sort different types of plastics.
		Sometimes plastic resins coded with the same number cannot be recycled together.
		In fact, an educational program on the proper use of the resin identification code is a top option.
	wasteage.com /mag/waste_nrc_spi_join (1171 words)

	America Recycles Day
		The Society of the Plastics Industry (SPI) Resin Identification Code, developed in 1988, is a set of numbers used to identify different types of plastic resin.
		The code number is found within the recycling symbol (a triangle of arrows), usually on the bottom of a container.
		The code serves only to identify resin types- it doesn't indicate that a container is recyclable.
	www.illinoisrecycles.org /ARD/recycling101.html (2158 words)

	Encyclopedia: Resin identification code (Site not responding. Last check: 2007-10-13)
		The universally recognized recycling symbol with three chasing arrows is a Möbius strip or unending loop.
		Recycling of PET Bottles is the activity whereby bottles made out of PET are collected, sorted and processed in order to reuse the material out of which they are made.
		Polypropylene lid of a Tic Tacs box, with a living hinge and the resin identification code under its flap Polypropylene (PP) is a thermoplastic polymer, used in a wide variety of applications, including food packaging, textiles, laboratory equipment, and polymer banknotes.
	www.nationmaster.com /encyclopedia/Resin-identification-code (749 words)

	Waste management (Site not responding. Last check: 2007-10-13)
		Whole bottles and cans go to a machine that reads the product bar code, and sorts the container by its color of glass, metal or resin type.
		Theoretically, the resin identification code may be used to separate miscellaneous plastic materials.
		However the low value of most resins, and the need for expensive manual identification and disassembly currently make such recycled resin too expensive for most operators to compete with resin from new feedstocks.
	usapedia.com /w/waste-management.html (1290 words)

	Plastics New Zealand
		It serves to assist in identifying which resin a particular product has been made from.
		It is not a recycling code and it is not intended to imply that the product will be recycled.
		NB: The following are examples of polymers found in resin code 7.
	www.plastics.org.nz /page.asp?id=585 (975 words)

	Plastics Instructional Module II
		The Society of the Plastics Industry, Inc. (SPI) introduced its resin identification coding system in 1988 at the urging of recyclers around the country.
		You will notice that in the cases of codes #1 and #3 we refer to the resins as PET and PVC, respectively.
		Have your students place their used resins in appropriate containers at the end of the laboratory period so that you can recycle them for another class.
	www.cc.berkshire.org /business/plasticsCurriculum/PIM02.htm (2054 words)

	Auto Body Parts Association (Site not responding. Last check: 2007-10-13)
		Neither the data from various long-term animal studies nor from epidemiology studies of workers exposed to styrene provide an adequate basis to conclude that styrene is carcinogenic.
		As the resin is supplied, monomer is not likely to be released into the surroundings in toxicologically significant amounts.
		Monomer may be released during processing of the resin and the hazard may vary from negligible to very low depending on actual exposure conditions.
	www.autobpa.com /two_five.htm (1311 words)

	Recycling Plastic: Plastic Resin Identification Code
		The plastics industry introduced the resin identification coding system in 1988 to help consumers and recyclers manually sort plastic bottles and plastic containers.
		Together, those resins accounted for more than 94 percent of all the plastic bottles made in the United States in 1998.
		The recycling symbol incorporated into the plastic resin identification codes is only meant to help consumers and recyclers sort plastic containers.
	www.dnr.state.oh.us /recycling/plastics/code.htm (519 words)

	Materials shape the future of packaging. ( 12/03 pg 59 )
		The SPI code identified six major resins that are used for plastic packaging: PETE; high-density PE; PVC; low-density PE; polypropylene; and polystyrene.
		As of January 1995, 39 states adopted legislation regarding the use of resin identification codes on bottles of 16 oz or more and rigid containers of 8 oz or more.
		"'Where has all the resin gone?' was a haunting refrain heard amidst the clamor and color of this vibrant, record-breaking tradeshow." This is a statement about the National Plastics Expo, made by current PD publisher and vp Bob Heitzman, in his first editorial column.
	www.packagingdigest.com /articles/200312/59.php (3358 words)

	City of Winter Park (Site not responding. Last check: 2007-10-13)
		Each of these resins has unique properties that make it ideal for making a particular kind of package.
		In 1988, the plastics industry developed a voluntary resin identification system for plastic containers to increase value and ensure the quality of recycled resins to help the recycling industry.
		Although the code was intended for use by industry recyclers, our Winter Park program uses these codes to identify PET bottles (code number 1) and HDPE (code number 2).
	www.ci.winter-park.fl.us /2002/news/4-01-newsletter/wastemgmt.shtml (526 words)

	American Metal Market: Chasing arrows could take flight - recycling symbol may be removed from plastics - Brief Article
		The symbol is part of a plastic resin identification code developed by the Society of the Plastics Indwstry in 1988 and subsequently adopted by law in most states.
		"The existing plastic resin code not only misleads consumers, it is not specific enough to meet the technical sorting needs of recyclers and is not flexible enough to reflect changes in plastic resi's being produced," said Caroline Rennie, speaking on behalf of the California Resource Recovery Association.
		It was estimated that about 2 percent of 65 billion pounds of virgin plastic resin sold in the United States in 1992 was recycled.
	www.findarticles.com /p/articles/mi_m3MKT/is_n36_v102/ai_15118334 (439 words)

	Stealth 316 - Sealing and Bonding Polypropylene and Polyethylene
		Polyolefins are made from the petroleum-based monomers of ethylene and propylene, and are the most common commodity plastics in the world.
		Polypropylene (PP) is Code 5 in the Society of Plastic Industry's (SPI) resin identification code.
		More information about the SPI codes can be found at SPI's web site, http://www.plasticsindustry.org/.
	www.stealth316.com /2-dp8005.htm (773 words)

	How to Recycle PET
		PET containers are identified by a resin identification code imprinted on the side or bottom of the container.
		PET bottles in the United States, which are usually clear or transparent green, carry the resin identification code " 1 " and the symbol "PETE." They may also be recognised by the dot, or circular gate, centrally located on the bottom.
		Accordingly, it becomes vital that consumers understand and use the codes for proper identification of recyclable containers.
	www.kenplas.com /topic/recyclepet.aspx (921 words)

	SPI: Outreach and Education: Resin ID Codes
		The SPI resin identification code (also known as the material container code) system has been developed to provide a consistent national system to facilitate recycling of post-consumer plastics through the normal channels for collecting recyclable materials from household waste.
		Please make sure to read the Guide to the Correct Usage of the SPI Resin Identification Code.
		The technical bulletins containing the engraving masters and camera-ready artwork for the SPI Material Container Codes area available for purchase from SPI.
	www.plasticsindustry.org /outreach/recycling/resincodes.htm (136 words)

	☞ plastic - Plastic Resin (Site not responding. Last check: 2007-10-13)
		Plastic Resin distributed by Chase Plastics Plastic Resin By Chase Plastics Plastic Resin distributed by Chase Plastics serves plastic processors with orders for small to medium sized...
		Chase Plastic is a thermoplastic resin distributor Plastic Resins By Chase Plastics Chase Plastics serves plastic processors with orders for small to medium sized applications.
		The recycling symbol incorporated into the plastic resin identification codes is only meant to...
	www.all-plastic.info /plasticresin (638 words)

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