Polymer with purpose
Sulzer’s CAPSUL™: Using Sulzer’s PCL (Polycaprolactone) technology to unlock a brighter future with sustainable processes at scale
By implementing Sulzer’s CAPSUL™ technology you can contribute to a greener future with biodegradable polymer for packaging, adhesives, coatings, and more.
Download our leaflet to find out more about how Sulzer’s PCL technology could be right for you.

- Consistent product quality & reduced downtime
Our Sulzer CAPSULTM - Technology is a continous process - Superior control over product properties
Our proprietary reactor design allows precise control over molecular weight and polymer structure
- Low maintenance requirements
No rotating equipment in reactors, mixers and devolatilization - Ultra-high monomer purity
ε-Caprolactone purification with fractional crystallization technology
Boost Your Polymer Portfolio with Sulzer’s CAPSUL™ PCL Technology
Looking to produce biodegradable polymers at scale? Sulzer’s CAPSUL™ technology enables efficient, continuous production of high-quality Polycaprolactone (PCL) – a versatile, biodegradable polyester ideal for today’s sustainability-driven market. Our proprietary process delivers consistent PCL pellets with outstanding purity and performance, while minimizing energy consumption and maintenance. Designed for polymer producers, the CAPSUL™ plant concept ensures scalability, reliability, and seamless integration into your existing operations. With growing demand for eco-friendly materials in packaging, coatings, adhesives, and more, PCL opens new revenue streams and strengthens your sustainability offering.
Be first to market with premium biodegradable polymers – powered by Sulzer technology.