The numeric codes that you see on many plastic items are used to help sort post-consumer plastics for recycling purposes. There are so many plastics in common use that consumers are unlikely to recognise them all. Plastics manufacturers have come up with a code. Different types of plastics are sometimes referred to as “resins” and the numeric symbols are known as “Resin ID Codes.” Each number (1 through 6) signifies a specific type of plastic and usually appears inside a small triangle (often formed by three adjoining arrows) imprinted on the bottom of a plastic item. The number “7” is used to represent a group of other plastics or combinations of plastics. Resin ID codes are not intended to provide guidance on the safe or appropriate use of any plastic item and should not be used for this purpose. The number does not indicate how hard the item is to recycle, nor how often the plastic was recycled. It's an arbitrary number and has no other meaning aside from identifying the specific plastic
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1 comments:
good collection of eco realted articles.
go ahead and keep on interesting and useful such information to us.
By: ramesh babu on May 30, 2008 4:44 AM
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