PDLLA microspheres
Introduction: PDLLA material, prepared into 20~50μm microspheres, is an excellent subcutaneous stimulating and filling material. It exhibits similar characteristics to PLLA microspheres, but has a faster degradation rate both in vitro and in vivo. Overall, as a novel facial filling material, PDLLA microspheres demonstrate excellent biocompatibility, biodegradability, and the ability to stimulate collagen regeneration through degradation. Currently, medical aesthetic filler products based on PDLLA microspheres have been widely used in clinical practice.
Product name | PDLLA microspheres | |
CAS number | PEG：26023-30-3 | |
Testing items | detection method | Inspection requirements |
Viscosity-average molecular weight specification | Ubbelohde viscometer method | 3-5/7-9/9-11 (10,000) |
molecular weight distribution | GPC | ≤2.0 |
Particle size specification | Laser particle size analyzer | 20μm~40μm 20μm~50μm 30μm~50μm 40μm~60μm |
Particle size span (span value) | Laser particle size analyzer | ≤0.7 |
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