It is generally safe to reuse plastic bags until they turn cloudy and opaque, which is an indication that the material is starting to break down. They can be recycled where available facilities are found.
They are cheaper
Plastic. Of course they're made out of plastic, The type of plastic is polyethylene. From the low melting point (195F) they are most likely made out of low density polyethylene.
They've been using it for awhile... Like around 1991 they started
Supermarket carrier bags are mostly poly(ethene) which is commonly called polythene. High density poly(ethene) will make thicker and stronger bags than low density poly(ethene). The strong ones that supermarkets sell you that have a 'woven' feel to them are poly(propene) otherwise known as polypropylene.
You should use the biodegradable polymers in day to day life. The routine use of very thin plastic bags has created very real hazard in your life. The This plastic does not decompose and has been creating a serious hazard, specially in developing countries. Stray cows eat the plastic bags, which they can not digest. These plastic waste is washed to sea and sea animals have been dieing due to consumption of plastic material. You can not burn the plastic bags. They create the toxic fumes. So plastic has to be recycled. It is better to use the biodegradable material, which will be ecofriendly in long term.
They are cheaper
many plastic bags
many plastic bags
plastic bags such as sandwich bags
no
polysecrene
the plastic used for shopping bags is called polyethylene.
We would adapt. As we have in the past. Before plastic bags came into the picture - baskets, or cloth bags, then paper bags, boxes where used.
A plastic bag is used when going shopping. Or you can alternatively use paper bags or environmentally friendly bags (ex.
carrying things
yes
Laziness mostly - plastic bags are cheap to make and people tend to forget to bring their reusable bags to the grocery store.