It only takes a couple years for the deacetylzation process to occur from UV light and weathering. The cellulose backbone decays in a matter of days once the ac

It only takes a couple years for the deacetylzation process to occur from UV light and weathering. The cellulose backbone decays in a matter of days once the acetate is gone. Carbon impregnated polyester works just fine as a smoke filter and is readily degradable.