Alternative image

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

A strong portfolio of standard polymers for high performance bioresorbable implant devices

Polymer nameInherent viscosity (dl/g)CompositionDegradation
timeframe*
End group
RESOMER®
C 202
0.20 - 0.26Poly(caprolactone)not measuredEster
RESOMER®
C 203
0.35 - 0.43Poly(caprolactone)not measuredEster
RESOMER®
C 209
0.8 - 1.0Poly(caprolactone)> 2 yearsEster
RESOMER®
C 212
1.13 - 1.38Poly(caprolactone)> 2 yearsEster
RESOMER®
C 217
1.53 - 1.87Poly(caprolactone)> 2 yearsEster
RESOMER®
G 205 S 
1.05 - 1.25Poly(glycolide)< 5 weeksEster
RESOMER®
GC 753 S
1.15 – 1.55Poly(glycolide-co-ε-caprolactone)< 4 weeksEster
RESOMER®
GL 903 S
1.05 - 1.25Poly(glycolide-co-L-lactide) < 5 weeks Ester
RESOMER®
GT 643 S
1.0 – 1.4Poly(glycolide-co trimethylene
carbonate)
< 8 weeks  Ester
RESOMER®
L 206 S
0.8 - 1.2Poly(L-lactide)> 3 yearsEster
RESOMER®
L 207 S
1.5 - 2.0Poly(L-lactide)> 3 yearsEster
RESOMER®
L 209 S
2.6 - 3.2Poly(L-lactide)> 3 yearsEster
RESOMER®
L 210 S
3.3 - 4.3Poly(L-lactide)> 3 yearsEster
RESOMER® Composite L 210 S HA
3.0 - 4.0Poly(L-lactide) with 25 % Hydroxylapatite< 3 yearsEster
RESOMER®
LC 703 S
1.3 - 1.8Poly(L-lactide-co-ε-caprolactone) 70:30not measuredEster
RESOMER®
LT 706 S
1.2 - 1.6Poly(L-lactide-co-trimethylene carbonate) 70:30not measuredEster
RESOMER®
LG 824 S
1.7 - 2.6Poly(L-lactide-co-glycolide) 82:181 - 2 yearsEster
RESOMER®
LG 855 S
2.5 - 3.5Poly(L-lactide-co-glycolide) 85:151 - 2 yearsEster
RESOMER® Composite
LG 855 S β-TCP
2.0 – 3.5Poly(L-lactide-co-glycolide)
with 30% β-tricalcium phosphate
< 1.5 yearsEster
RESOMER®
LG 857 S
5.0 - 7.0Poly(L-lactide-co-glycolide) 85:151 - 2 yearsEster
RESOMER®
LP t 16
3.8 - 4.8Poly(L-lactide-co-PEG) triblock< 12 monthsAcid
RESOMER®
LP t 46
1.8 - 2.6Poly(L-lactide-co-PEG) triblock< 7 monthsAcid
RESOMER®
LR 704 S
2.0 - 2.8Poly(L-lactide-co-D,L-lactide) 70:302 - 3 yearsEster
RESOMER®
LR 706 S
3.3 - 4.2Poly(L-lactide-co-D,L-lactide) 70:302 - 3 yearsEster
RESOMER® Composite
LR 706 S β-TCP
2.8 - 4.2Poly(L-lactide-co-D,L-lactide)
with 30% β-tricalcium phosphate
< 2 yearsEster
RESOMER®
LR 708
5.7 - 6.5Poly(L-lactide-co-D,L-lactide) 70:302 - 3 yearsAcid
RESOMER®
LRP t 7016
3.3 - 4.2Poly(L-lactide-co-D,L-lactide-co-PEG) triblock< 9 monthsAcid
RESOMER®
LRP t 7046
1.5 - 2.3Poly(L-lactide-co-D,L-lactide-co-PEG) triblock< 6 monthsAcid
RESOMER®
R 207 S
1.3 - 1.7Poly(D,L-lactide)1 - 2 yearsEster
RESOMER®
X 206 S
1.8 - 2.2Polydioxanone< 6 monthsEster

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.

RESOMER® Select: Custom biodegradable polymers for medical devices

If adjustable customization is required for a target medical device application, our best-in-class RESOMER® Select portfolio of biodegradable polymers can be easily tailored at full potential to address your specific needs. All RESOMER® Select products can be made to order via tunable characteristics including

  • Monomers
  • Monomer ratios
  • Polymer architecture
  • End groups
  • Inherent viscosity

Additional customizations can also be made to provide our biodegradable polymers in forms such as filaments, powders, tubes or granules.

cute little girl putting a cross over impossible on blackboard

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:

Custom filament, tubing, and film/sheet extrusion made to order, with post-processing available to enhance mechanical properties for your specific application.

Feasibility samples, prototypes, and process development support to bring molded bioresorbable components to production readiness.

Mono- and multifilament-based solutions for meshes, tapes, and other textile constructs, tailored to tensile strength, porosity, and degradation profile.

Feasibility samples of non-woven structures, with formulation and process development support for fiber-based scaffold applications.

Evonik has the capabilities to micronize the entire RESOMER® portfolio into powders and finished forms defined by customers for their application needs.

Evonik is the world's only supplier of powder-based, GMP-grade bioresorbable polymers for 3D printing, supporting SLS, FDM/FFF, and extrusion-based processes. Our RESOMER® PrintPowder platform is engineered for consistent particle size distribution and reliable flow behavior.

Across all these technologies, our application teams work directly with your development group — from early feasibility through scale-up, process optimization, and analytical testing.

Innovating post-cancer breast reconstruction with RESOMER® polymers & medical 3D printing


Whitepaper: Next-Generation Solutions for Bone Reconstruction: The Role of Evonik’s RESOMER® in BellaSeno’s 3D-Printed Scaffold Technology

Download whitepaper
Alternative image

Want to learn more about RESOMER® bioresorbable polymers and their versatile applications for medical devices?

Brochure: RESOMER® bioresorbable polymers for medical devices
Brochure: RESOMER® bioresorbable polymers for medical textiles
Brochure: RESOMER® Composite with osteoconductive properties for bone fixation devices
Brochure: RESOMER® Filament for 3D printing of medical devices
Brochure: RESOMER® Printpowder free-flowing powder for 3D Printing of medical devices
Brochure: RESOMER® Powder customizable powder platform
Brochure: RESOMER® PLA-PEG copolymers for medical devices

ANY QUESTIONS? GET IN TOUCH.

"Our global team of experts is ready to support you with all questions around our RESOMER® polymers and their wide range of applications. Contact us to profit from more than 30 years of application know-how in the field of medical devices and find your individual solution!"

 

Mandy Roovers-Wiermans
Business Development Manager Medical Device Solutions

Send me a message
Alternative image

More about our offerings for medical devices

Alternative image

Medical devices

Alternative image

Process technologies

Alternative image

Complimentary services