Standards for Biodegradable Plastics

standard No. aerobic/
anaerobic
medium inoculam measure object measurement
method
incubation
temp.
reactor size reactor amount air flow
rate
test period others
ISO 14851 aerobic water sewage treatment plant
mixed sludge
biodegradation O2 consumption 20-25℃±1℃ total 5 50~100
ml/min
reach plateau
or 6 months
dark place
ASTM D5271 aerobic water
JIS K6950 aerobic water sewage treatment plant
mixed sludge
biodegradation O2 consumption
BOD method
20-25℃±1℃ 500~600mL total 6 50~100
ml/min
reach plateau
or 6 months
dark place
ISO 14852 aerobic water sewage treatment plant
mixed sludge
biodegradation CO2 generation
titration method etc.
20-25℃±1℃ total 5 50~100
ml/min
dark place
ASTM D5209 aerobic water activated
sewage sludge
biodegradation
disintegration
CO2 generation
titration method etc.
23℃±1℃ until reach plateau
JIS K6951 aerobic water sewage treatment plant
mixed sludge
biodegradation 20-25℃±1℃ total 5 50~100
ml/min
reach plateau
or 6 months
dark place
ISO 14855-1 aerobic compost controled
compost
biodegradation
disintegration
CO2 generation
titration method etc.
58℃±2℃ 3L Total 5 45~180days
ASTM D5338 aerobic compost controled
compost
biodegradation
disintegration
CO2 generation
titration method etc.
35→58→50→35℃(±2℃) 2~5L each 3
total 12
45days
EN 14046 aerobic compost biodegradation
disintegration
JIS K6953-1 aerobic compost controled
compost
biodegradation
disintegration
CO2 generation
titration method etc.
58℃±2℃ 2~5L each 3
total 9
enough
high flow
45~180days
ISO 14855-2 aerobic compost controled
compost
biodegradation CO2 generation
gravimetric method
58℃±2℃ 500ml each 3
total 9
10~30
ml/min
45~180days
JIS K6953-2 aerobic compost controled
compost
biodegradation CO2 generation
gravimetric method
58℃±2℃ 500ml each 2
total 6
10~30
ml/min
45~180days
ISO 17556 aerobic soil adjusted
soil
biodegradation 20-25℃±2℃ 200g~300g each 2
total 6
voluntary reach plateau
~6 months
ASTM D5988 aerobic soil
JIS K6955 aerobic soil adjusted
soil
biodegradation 20-25℃±1℃ 200g~300g each 3
total 9
voluntary reach plateau
or 6 months
ISO 14853 anaerobic water 35℃±2℃ 0.1-1L
ISO 15985 anaerobic sluge pretreated
domestic garbage
biodegradation
disintegration
Bio gass
(CO2 CH4) volume
52℃±2℃ >750mL each 3
total 9
15days~
reach plateau
dark place
ASTM D5526 anaerobic sluge
JIS K6960 anaerobic sluge pretreated
domestic garbage
biodegradation
disintegration
Bio gass
(CO2 CH4) volume
52℃±2℃ >750mL each 3
total 9
15days~
reach plateau
dark place
ISO 13975 anaerobic slurry biodegradation Bio gass
(CO2 CH4) volume