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Look for these numbers before you buy II

Date:2016-04-01

Abst:Always recycle or throw away containers once they start to crack or break down

CODE 4: LDPE (LOW-DENSITY POLYETHYLENE)

Qualities: Soft, flexible

Common usage: Grocery store bags, plastic wrap for household use and garbage bags

LDPE is one of the safer plastics, but recycle it – and limit waste by bringing reusable bags when you’re shopping.

CODE 5: PP (POLYPROPYLENE)

Qualities: Hard but flexible

Common usage: Ice cream and yogurt containers, drinking straws, syrup bottles, salad bar containers and diapers

PP is one of the safer plastics, but be sure to recycle wherever possible.

CODE 6: PS (POLYSTYRENE)

Qualities: Rigid

Common usage: Styrofoam coffee cups and meat trays; opaque plastic spoons and forks

Avoid it. PS can leach styrene, a known neurotoxin with other harmful health effects.

CODE 7: OTHER (INCLUDING POLYCARBONATE, BIOPLASTIC AND ACRYLIC)

Code 7 is a grab bag. It includes polycarbonate, a plastic made from BPA, a harmful synthetic estrogen. Manufacturers use polycarbonate to make five-gallon water bottles, sports bottles, clear plastic cutlery or the lining of metal food cans. New plastic alternatives to polycarbonate, such as co-polyesters, are marked Code 7 as well.

This code also includes some new, compostable green plastics, such as those made from corn, potatoes, rice or tapioca. Bio-based plastics hold promise for reducing waste, but you must put them in regular trash or your city’s compost containers, not in standard recycling bins. Bio-based plastics cause huge problems if they enter the normal plastic recycling stream.

Investigate #7 and avoid polycarbonate. Don’t heat or reuse bio-plastics unless they are expressly designed for that.

Remember: Whatever plastics you choose, never heat them in the microwave or subject them to other extreme stresses, like being kept in a hot car. Always recycle or throw away containers once they start to crack or break down.

To learn more common sense guidelines for plastics and how to cut down on your use, visit Reduce Your Use of Plastics. More things please read from http://www.nblinhua.com/.

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