cellulose acetate

polymer

Cellulose acetate is a thermoplastic polymer derived from cellulose through acetylation, combining natural polymer backbone properties with improved processability and chemical resistance compared to unmodified cellulose. It is widely used in films, fibers, and injection-molded components across consumer and industrial sectors, valued for its transparency, biodegradability, and moderate cost relative to other transparent polymers. Engineers select cellulose acetate when optical clarity and environmental degradability are priorities, though its lower heat resistance and moisture sensitivity compared to synthetic polymers like polycarbonate or acrylic typically limit it to moderate-temperature applications.

optical films and sheetsphotographic and display applicationstextile fibers and fabricscigarette filter towinjection-molded consumer goodsbiodegradable packaging

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Glass Transition Temperature(Tg)	461.2	K	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Safety & Biocompatibility

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

cellulose acetate

Thermal Properties

Regulatory Screening

Environmental

Safety & Biocompatibility