RESOMER® - The world’s leading brand of bioresorbable polymers for implantable medical devices
RESOMER® is a comprehensive portfolio of standard, custom, and specialized bioresorbable polymers, engineered to match the mechanical and degradation properties your medical device application requires. Over more than 30 years of commercial use, RESOMER® has built a strong track record for safety, biocompatibility, and supply security.
Our innovation continues with recent additions including bioresorbable polymer powders for medical device applications, PLA-PEG copolymers that combine strength with rapid degradation, and osteoconductive composites for bone fixation devices. Evonik is also the world's only supplier offering a full portfolio of medical-grade powder, granule, and filament-based bioresorbable polymers for 3D printing.
Standard and custom bioresorbable polymers
The RESOMER® portfolio of standard and custom bioresorbable polymers are based on
- Lactide
- Lactide-PEG
- Caprolactone
- Dioxanone
- Glycolide
- Composites
with degradation timeframes ranging from one month to more than four years. Each grade is engineered for precise, reproducible strength, elasticity, and other mechanical and chemical properties.
Available as both semi-crystalline and amorphous polymers, RESOMER® comes in a range of standard and customizable forms — supporting maximum versatility as you develop your next bioresorbable device.
Some of the many advantages of RESOMER® include:
- robust quality and safety data
- wide range of degradation profiles
- tailorable mechanical properties
- easy processing
- stable after sterilization
Explore our portfolio of standard and custom polymers
| Polymer name | Inherent viscosity (dl/g) | Composition | Degradation timeframe* | End group |
|---|---|---|---|---|
| RESOMER® C 202 | 0.20 - 0.26 | Poly(caprolactone) | not measured | Ester |
| RESOMER® C 203 | 0.35 - 0.43 | Poly(caprolactone) | not measured | Ester |
| RESOMER® C 209 | 0.8 - 1.0 | Poly(caprolactone) | > 2 years | Ester |
| RESOMER® C 212 | 1.13 - 1.38 | Poly(caprolactone) | > 2 years | Ester |
| RESOMER® C 217 | 1.53 - 1.87 | Poly(caprolactone) | > 2 years | Ester |
| RESOMER® G 205 S | 1.05 - 1.25 | Poly(glycolide) | < 5 weeks | Ester |
| RESOMER® GC 753 S | 1.15 – 1.55 | Poly(glycolide-co-ε-caprolactone) | < 4 weeks | Ester |
| RESOMER® GL 903 S | 1.05 - 1.25 | Poly(glycolide-co-L-lactide) | < 5 weeks | Ester |
| RESOMER® GT 643 S | 1.0 – 1.4 | Poly(glycolide-co trimethylene carbonate) | < 8 weeks | Ester |
| RESOMER® L 206 S | 0.8 - 1.2 | Poly(L-lactide) | > 3 years | Ester |
| RESOMER® L 207 S | 1.5 - 2.0 | Poly(L-lactide) | > 3 years | Ester |
| RESOMER® L 209 S | 2.6 - 3.2 | Poly(L-lactide) | > 3 years | Ester |
| RESOMER® L 210 S | 3.3 - 4.3 | Poly(L-lactide) | > 3 years | Ester |
| RESOMER® Composite L 210 S HA | 3.0 - 4.0 | Poly(L-lactide) with 25 % Hydroxylapatite | < 3 years | Ester |
| RESOMER® LC 703 S | 1.3 - 1.8 | Poly(L-lactide-co-ε-caprolactone) 70:30 | not measured | Ester |
| RESOMER® LT 706 S | 1.2 - 1.6 | Poly(L-lactide-co-trimethylene carbonate) 70:30 | not measured | Ester |
| RESOMER® LG 824 S | 1.7 - 2.6 | Poly(L-lactide-co-glycolide) 82:18 | 1 - 2 years | Ester |
| RESOMER® LG 855 S | 2.5 - 3.5 | Poly(L-lactide-co-glycolide) 85:15 | 1 - 2 years | Ester |
| RESOMER® Composite LG 855 S β-TCP | 2.0 – 3.5 | Poly(L-lactide-co-glycolide) with 30% β-tricalcium phosphate | < 1.5 years | Ester |
| RESOMER® LG 857 S | 5.0 - 7.0 | Poly(L-lactide-co-glycolide) 85:15 | 1 - 2 years | Ester |
| RESOMER® LP t 16 | 3.8 - 4.8 | Poly(L-lactide-co-PEG) triblock | < 12 months | Acid |
| RESOMER® LP t 46 | 1.8 - 2.6 | Poly(L-lactide-co-PEG) triblock | < 7 months | Acid |
| RESOMER® LR 704 S | 2.0 - 2.8 | Poly(L-lactide-co-D,L-lactide) 70:30 | 2 - 3 years | Ester |
| RESOMER® LR 706 S | 3.3 - 4.2 | Poly(L-lactide-co-D,L-lactide) 70:30 | 2 - 3 years | Ester |
| RESOMER® Composite LR 706 S β-TCP | 2.8 - 4.2 | Poly(L-lactide-co-D,L-lactide) with 30% β-tricalcium phosphate | < 2 years | Ester |
| RESOMER® LR 708 | 5.7 - 6.5 | Poly(L-lactide-co-D,L-lactide) 70:30 | 2 - 3 years | Acid |
| RESOMER® LRP t 7016 | 3.3 - 4.2 | Poly(L-lactide-co-D,L-lactide-co-PEG) triblock | < 9 months | Acid |
| RESOMER® LRP t 7046 | 1.5 - 2.3 | Poly(L-lactide-co-D,L-lactide-co-PEG) triblock | < 6 months | Acid |
| RESOMER® R 207 S | 1.3 - 1.7 | Poly(D,L-lactide) | 1 - 2 years | Ester |
| RESOMER® X 206 S | 1.8 - 2.2 | Polydioxanone | < 6 months | Ester |
Please note: Approximate degradation times are intended to guide polymer selection. Actual resorption times are dependent upon the process and application and must be empirically determined.
Manufacturing and quality you can rely on
RESOMER® polymers are manufactured in Darmstadt, Germany, and Birmingham, Alabama (USA), under a quality system certified to ISO 13485 and operated under GMP (Good Manufacturing Practice) conditions. This means every batch is produced, documented, and released under the same regulatory rigor your own quality system depends on — supporting your design history file, supplier qualification, and regulatory submissions from day one.
Development and application support are available through our global network of medical device application centers in Birmingham, Alabama (USA), Darmstadt, Germany, and Shanghai, China — giving you direct access to material and process expertise on three continents, regardless of where your development or manufacturing footprint is based.
Processing technologies and application services
Selecting the right polymer is only the first step. Leveraging an extensive industry network of partners and internal resources, Evonik supports you across the full range of processing technologies used in bioresorbable medical device manufacturing:
Across all these technologies, our application teams work directly with your development group — from early feasibility through scale-up, process optimization, and analytical testing.