PS
PS thermoforming films & sheets
Material solutions for packaging, molded parts and technical applications.
Engineering backed by recycler's expertise
Rethinking plastics. Technology for circular value.
STF combines mechanical engineering, sorting technology and plastics extrusion into solutions that prepare recycling streams precisely and return them to high-value applications.
100+ Turnkey plant systems delivered worldwide
1980 Decades of experience in plastics extrusion
360° Comprehensive view of material, plant and circular economy
Products & solutions
Two fields of expertise, one shared goal: high-quality plastics cycles.
As an integrated corporate group, we combine world-class German mechanical engineering with decades of expertise in plastics extrusion. We develop turnkey systems for processing recyclables and manufacture high-precision films and sheets for industrial applications.
Engineering
Plastic recycling systems
Modular plant concepts for shredding, washing, separation, sorting and conveying.Sorting
Optical sorting equipment
Precise detection and separation for stable qualities in the material stream.Custom systems
Special-purpose machinery
Individual machines and integrations for specific process requirements.Extrusion
Films, sheets and thermoforming material
PS, PE and PP solutions for technical applications and industrial processing.Mechanical engineering
From material stream to stable process quality.
STF recycling systems combine robust mechanics, well-planned process control and precise sorting technology. The result is plant engineering aligned with material, throughput and target quality.
The focus is on clearly planned process steps: analyzing, preparing, sorting and securing the output for further processing.
Explore mechanical engineering
Plastics extrusion
Recyclate becomes a precisely specified product again.
STF turns material expertise into industrial semi-finished products: PS thermoforming films, PE/PP sheets and films for applications that require reliable qualities.
PE
PE films and sheets
Robust semi-finished products for industrial processing and product applications.
PP
PP sheets & films
Stable plastics solutions focused on reusability and process reliability.
Material development
Material selection, formulation and application are considered as one connected system.
Process understanding
A clear line from input to product.
From the initial material test to turnkey commissioning, we guide you through a clear and structured project flow. We treat material, mechanical design and control technology as one unit to guarantee maximum process stability.
- 01
Understand material
Input fractions, contamination and target qualities define the basis for process design.
- 02
Design the process
Machines, sorting, conveying and extrusion are combined into a robust system.
- 03
Secure the output
The result is usable recyclate, films and sheets with clear technical specifications.
Company
Technology, manufacturing and material expertise from STF Group.
The STF Group bundles engineering, practical recycling experience and modern manufacturing expertise. With more than 100 major turnkey projects realized worldwide and decades of experience in extrusion, we are your reliable B2B partner for sustainable recycling cycles.
Locations
Close to development and production
Close to development and production: Our locations, including our headquarters in Aicha vorm Wald, ensure short distances and fast, reliable service for our customers.
History
Experience through change in the plastics industry
More than four decades of experience: Learn more about the path of STF Group from a pioneer in plastics processing to a globally active technology partner.
Careers
Help shape where cycles are created
Help shape where circular systems are created: Discover your career opportunities at STF in mechanical engineering, manufacturing or material development.
Start a project
Are you planning a recycling system, sorting solution or extrusion application?
Talk to STF about material, process goals and the next sensible step.