The degradation test method can be divided into outdoor test and experimental test according to the different test sites. The outdoor test method is a test method formulated according to the use of the material and the final disposal route. At present, the more common ones are outdoor light exposure test, outdoor soil landfill and water system immersion test. Many tests are used in the laboratory, including accelerated light aging test by employees, specific microbial (or enzyme) erosion method, laboratory-level landfill, interpretation test under controlled composting conditions, activated sludge interpretation test, and series of water degradation tests , Degradation test in high solid medium, etc.
