PDLA
polymerPDLA (poly-D-lactic acid) is a semi-crystalline, thermoplastic polyester derived from lactic acid, belonging to the polylactide family of biopolymers. It is widely used in biomedical applications such as orthopedic fixation devices, surgical sutures, and tissue engineering scaffolds due to its biocompatibility and controlled degradation profile. Engineers select PDLA over conventional polymers when biodegradability is critical, particularly in implantable devices where polymer removal surgery can be avoided, though its relatively modest thermal stability and mechanical performance limit its use in high-temperature or load-bearing structural applications compared to petroleum-based engineering plastics.
orthopedic implants and fixation devicesbiodegradable surgical suturestissue engineering scaffoldsdrug delivery systemsbiomedical coatingstemporary medical devices
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | — | ksi | — | — | |
Elongation at Break(εf) | — | - | — | — | |
Flexural Strength (MOR)(σf) | — | ksi | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | — | — | |
Young's Modulus(E) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | — | °F | — | — | |
Melting Point / Solidus(Tm) | — | °F | — | — | |
Maximum Service Temperature(Tmax) | — | °F | — | — | |
Thermal Conductivity(k) | — | BTU/(hr·ft·°F) | — | — |
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.