Used Coperion STS 95 Twin Screw Extruder | 95mm | 40:1 L/D | 280 kW DC Drive | Siemens Gearbox | Co-Rotating Compounding Line | Available Aug 2026

🏭 Manufacturer Information

• Manufacturer: Coperion GmbH

• Model / Type: STS 95

• Year Built: 2010

• Availability: August 2026

• Condition: Used (Excellent; previously in compounding application)

• Country of Manufacture: Germany

• Drive System: 280 kW DC Motor with Siemens Gearbox

• Feeder System: Coperion STS 95 Side Feeder (Included)

⚙️ Product Description

The Coperion STS 95 Twin Screw Extruder is a high-performance co-rotating, intermeshing twin-screw compounding system engineered for continuous production of masterbatches, polymers, and specialty compounds.
Equipped with two 95 mm diameter screws and a 40:1 L/D ratio, this extruder provides superior mixing, dispersion, and devolatilization performance for a wide variety of thermoplastics and additives.

The system features 10 barrel sections, of which 9 are electrically heated and water-cooled, ensuring precise temperature control and consistent melt quality.
Driven by a 280 kW DC drive motor through a Siemens gearbox, the extruder achieves up to 300 RPM screw speed, enabling high throughput and efficient processing.

Included is a Coperion STS 95 twin-screw side feeder and a frame-mounted die head, ideal for compounding, reactive extrusion, and blending applications.

📏 Specifications

• Type: STS 95

• Screw Diameter: 95 mm

• Screw Design: Co-rotating, intermeshing, twin screw

• L/D Ratio: 40:1

• Barrel Sections: 10 total (9 heated, 1 feed section)

• Heating/Cooling: Electrically heated, water-cooled

• Drive Motor: 280 kW DC motor

• Gearbox: Siemens high-torque gear reducer

• Maximum Screw Speed: 300 RPM

• Included Components:

  • (1) Coperion STS 95 side feeder

  • (1) Frame-mounted die head

• Construction: Heavy-duty industrial extruder frame

• Condition: Used (excellent operational condition)

• Year of Manufacture: 2010

• Availability: August 2026

• Previous Use: Polymer compounding line

🧩 Applications

• Polymer compounding and masterbatch production

• Color and additive dispersion

• Reactive extrusion processes

• Plastic recycling and reprocessing

• Filler and reinforcement compounding

• Bio-plastic and polymer alloy processing

• PVC and engineering thermoplastic production

• Cable and wire insulation compounding

• Rubber and elastomer modification

• Research and development pilot extrusion

⚙️ What Might This Be Used For

The Coperion STS 95 twin screw extruder is purpose-built for high-output compounding and advanced material processing, handling thermoplastics, elastomers, and filled compounds with precision. It ensures consistent melt homogeneity, excellent dispersion of pigments/fillers, and stable throughput for demanding production environments.

🧱 Products That Could Use This Machine

• Polypropylene and polyethylene compounds

• Filled and reinforced plastics

• Masterbatch color concentrates

• Thermoplastic elastomers (TPE, TPU)

• Engineering plastics (PA, PC, ABS, PBT)

• Biodegradable polymer blends

• Plastic recycling pellets

• Cable insulation materials

• Functional additive and flame-retardant compounds

• PVC and polymer alloy products

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