Solubility, chemical resistance, thermal stability, reactivity with water, flammability, heat of combustion. Some are that plastic and also be a solid form and liquid form.
There are a huge number of plastics, and their properties vary widely. Listing all of them and their chemical and physical properties here is not possible. There are whole books filled with just some...
It is physical property because when you recycle, it will become recycled plastic which is the same thing but it can also be chemical property because it can mix chemically with other materials....
Some physical properties: transparency, flexibility, elasticity, permeability, water resistant, electrical resistance, Specific Gravity, soft when hot. Some chemical properties: solubility, chemical...
