How long does it take a plastic bag to decompose?

Answer 1

500 years.
It would depend on the composition of the plastic bag and its disposal environment. Plastic bags can take hundreds of years to decompose.

Some supermarkets implemented environmentally friendly plastic bags that could decompose/compost in a year or less under exposure to air and sunlight. However when the bags were dumped in a landfill, they were covered with other trash eliminating exposure to air and sunlight, inhibiting decomposition, resulting in the plastic bags staying around much longer.

Answer 2

A shopping bag from Walmart or etc. probably takes about 500 years to decay. Although shopping bags have been around for only 50 years scientists can prove that they could decay in about 500 years or more!

Answer 3

Time for the garbages to decompose:

Paper- 2.5 months; Orange Peel- 6 months; Milk Carton- 5 years; Cigarette Butt-

10-12 years; Plastic bag- 10-20 years; Disposable diaper- 75 years; Tin can- 100 years; Beer can- 200-500 years; Styrofoam- never (immortal)

Paper towel - 2-4 weeks; Orange or banana peel- 2-5 weeks; Newspaper- 6 weeks; Apple core- 2 months ; Waxed milk carton- 3 months; Plywood- 1-3 years; Wool sock- 1-5 years; Cigarette filter- 1-50 years;

Plastic Bag- 10-20 years; Plastic film canister- 20-30 years ; Nylon Fabric- 30-40 years; Leather- 50 years; Tin can- 50 years; Foamed plastic cup- 50 years;

Rubber boat sole- 50-80 years; Foamed plastic buoy- 80 years; Aluminium can- 80-200 year ; Disposable diapers- 450 years; Plastic beverage bottles- 450 year; Plastic beverage bottles- 450 year; Monofilament fishing line- 600 years; Glass Bottle- 1,000,000 years.

Answer 4

It takes a very long time....hundreds of years.

Answer 5

10,00 years. no jokes!

Answer 6

bout 1000 year

Answer 7

a plastic bag is not biodegradable.