STS Mc¹¹ Compounder

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Coperion's twin screw extruder STS 65 Mc¹¹ with side feeder
Coperion's twin screw extruder STS 65 Mc¹¹ with side feeder
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Twin screw compounder STS 65 Mc¹¹ with specific torque 11.3 Nm/cm³
Twin screw compounder STS 65 Mc¹¹ with specific torque 11.3 Nm/cm³
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Twin screw extruder STS 96 Mc¹¹ with screw speed 900 min⁻¹
Twin screw extruder STS 96 Mc¹¹ with screw speed 900 min⁻¹
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Twin screw compounders STS 35 Mc¹¹ – optimized for Masterbatch processing
Twin screw compounders STS 35 Mc¹¹ – optimized for Masterbatch processing
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The STS 35 Mc¹¹ twin screw extruder is equipped with an AccuRate® Series 602 volumetric feeder.
The STS 35 Mc¹¹ twin screw extruder is equipped with an AccuRate® Series 602 volumetric feeder.
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Laboratory extruder STS 25 Mc¹¹
Laboratory extruder STS 25 Mc¹¹
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Compounders for considerable increases in throughput

With its specific torque of 11.3 Nm/cm3 the STS Mc11 sets standards: It features maximum throughput rates while the high degree of screw fill results in a decrease of melt temperature, thus improving compound quality. It incorporates the full process and quality know-how of Coperion.

The STS Mc11 series is exclusively equipped with European, Coperion branded gearboxes. Maximum screw speed reaches 900 min-1. To improve cleaning and facilitate quick changeovers for masterbatch applications, the STS also features hoppers with inserts and a redesigned die head. The screw shaft coupling is similar to the one long proven in the ZSK Mc18 series.

The optimized base frame withstands torsion under maximum stress. The STS Mc11 series covers most standard applications in process technology. It offers high productivity at an attractive price-performance ratio. The modular design of the process section allows maximum flexibility in production at process lengths of 16 to 68 D.

ADVANTAGES OF THE STS Mc¹¹ TWIN SCREW COMPOUNDER

  • Proven Coperion manufacturing standards
  • CE certificate
  • Base frame withstanding torsion under ­maximum stress
  • Screw speeds of up to 900 min-1 depending on the machine configuration and application
  • Two operation and maintenance friendly machine control concepts – BasicMaster (relay control) and TouchMaster (PLC control)
  • European, Coperion branded, high-performance gearboxes with high-tech safety clutch for safe transmission of high torque
  • Die head with improved heating system and optimized flow geometry
  • 4 D individual barrel with precision single zone tempering
  • High performance brass heater shells and water flash cooling with flexible connection to water manifold for optimal processing conditions in every heating zone
  • Self-wiping, co-rotating screws for fast, easy changes in product and color
  • A variety of materials available for the process section: ­nitrided steel for the basic version, special high-alloy wear-protected steels for demanding processes with a high stress level

Areas of application OF THE STS Mc¹¹ TWIN SCREW COMPOUNDER

  • Filling and reinforcing of engineering plastics
  • Alloying and filling of polyolefins/TPE
  • Coloring of polyolefins and engineering plastics
  • Production of color masterbatch, flame retardant masterbatch, filler masterbatch and additive masterbatch
  • Recycling of regrind plastics, etc.
  • Cable compounds, incl. PVC, HFFR, XLPE
  • Bioplastics
  • Battery materials
  • Other applications

Technical data

STS Mc¹¹ Max. specific torque Md/a³
[Nm/cm³]		 Max. torque per shaft
[Nm]		 Max. screw speed
[min⁻¹]		 Max. motor power
[kW | Hp]
25 11.3 106 1,200 30 I 40
35 11.3 305 900 60 I 81
50 11.3 835 900 165 I 221
65 11.3 1,590 900 315 I 422
75 11.3 2,440 900 483 I 648
96 11.3 5,350 600/900 70 I 947
125 11.3 11,600 600 1,530 I 2,051

Specifications are subject to change without prior notice.

The right STS twin screw extruder for every application

 

Coperion STS Twin Screw Extruders

STS Twin Screw Extruders

Overview of all models

Coperion STS Mc PLUS Twin Screw Extruder

STS Mc PLUS

Extruder with specific torque 13.6 Nm/cm³

Coperion STS Mc11 Laboratory Twin Screw Extruder

STS 25 Mc¹¹

Laboratory extruder

Coperion STS Mc11 Two-Stage Compounding System

STS two-stage

Extruder for the production of temperature and shear sensitive plastics

Special Highlights

Coperion STS 35 Mc11 Twin Screw Extruder for the Production of Masterbatch

STS for Masterbatch Production

For the manufacture of superior quality masterbatches with exceptional efficiency and cost-effectiveness, Coperion provides an all-inclusive production system. This comprehensive package incorporates an STS 35 Mc11 twin screw extruder, and a Coperion K-Tron S60 volumetric single screw feeder.

STS 35 Mc¹¹ Twin Screw Extruder

  • Screw diameter of 35 mm [1.38 in]
  • Throughput rates up to 300 kg/h
  • Compact design, dust-free and easy to clean thanks to smooth surfaces
  • Water supply and electrical wiring are integrated and physically separated in the base frame
  • Feed hopper in quick-change design for fast disassembly
  • Die head in masterbatch design: easy to clean and features improved heating system and optimized flow geometry
  • Short delivery times between 4-5 months

S60 Volumetric Single Screw Coperion K-Tron Feeder

  • Continuous operation for consistent, accurate feeding of ingredients
  • Gentle product handling of the horizontal agitator and feeding screw
  • Interchangeable feeding tools
  • All parts in contact with the product made of stainless steel
  • Fast disassembly and very good cleanability of the feeder
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Coperion STS 25 Extruder

Laboratory Extruder STS 25 Mc¹¹

The STS 25 Mc11 extruder is the laboratory extruder of the STS series. The STS 25 Mc11 delivers all the key benefits of the STS twin screw extruder while featuring a straightforward design that is easy to operate and maintain.

Its enclosed base frame provides a smooth, easy-to-clean surface and includes castors for convenient mobility and quick installation. Thanks to the consistent screw diameter ratio (Do/Di) of 1.55 and a maximum specific torque (Md/a³) of 11.3 Nm/cm³, process parameters can be accurately scaled from the STS 25 Mc11 to larger STS models. This makes the system particularly well suited for formulation development, compounding trials, and fundamental research applications.

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ProRate PLUS Feeder

ProRate PLUS Feeders

Discover an affordable feeding solution backed by proven Coperion K-Tron quality. The ProRate PLUS continuous gravimetric single and twin screw feeders, with and without refill solutions, are an economical solution for many secondary plastic applications. Depending on the formulation, ProRate PLUS feeders can be installed as individual units or easily arranged in a group of up to six feeders around a process inlet.

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