It depends on where you put it and if there was ever hair die in it. Usally without hair dye it takes around thousands of years on a mummy.
How long it takes for an aluminum can to biodegrade
It takes 1000 years for it too biodegrade and that is if it is buried. :)
a long time.
Eraser is made out of rubber. If exposed under the sun, an eraser will take between 50 to 80 years to biodegrade.
5 to 10 years.
how long does a crisp packet to biodegrade
From www.mongabay.com: Plates made from organically grown, highly sustainable bamboo will biodegrade in four to six months, the manufacturer says.
A cotton bag will take a few months to biodegrade/decompose.
It can take tin cans anywhere from 50 to 100-years to biodegrade. The decomposition is very dependent on the environment where the material is decomposing.