Material Insights · Understanding the Material World

PHA bioplastics: Regulation

Safe to handle, but beware the biodegradable label

What this tab covers How it is regulated and what could disrupt supply: hazard classification, rules in the EU, US and India, anti-dumping duties and other trade measures, and supply-risk notes.

Hazards

ClassificationUN numberKey risks
not classifiednoneLow hazard. Main risk is misleading biodegradability claims.

Main rules

WhereRuleEffect
EUSingle-Use Plastics Directive 2019/904 (PHA counted as plastic); EN 13432; TUV OK compost HOME and OK biodegradable MARINE labelsPHA items are not exempt from single-use rules, removing part of their advantage.
USASTM D6400, D6691 (marine); state compostable labelling lawsEnables compostable and marine claims.
GlobalISO 17088 and ASTM standards for biodegradationCertification basis.

India

RuleEffect
Plastic Waste Management (Amendment) Rules 2021 and 2024 on compostable and biodegradable plastics (CPCB certification, indicative)Compostable items permitted where single-use plastic is banned; biodegradable claims need certification

Trade measures

  • None found in sources reached

Supply risk

Very few producers and financially fragile; buyers face real counterparty risk, as Danimer's customers found in 2025.