The ONESTEP Extrusion System by MAS is the only system that combines two major processes – recycling and compounding – into one. Simplicity at its best.
The MAS EXTRUDER combines the familiar, superior, plastification and homogenization of a co-rotating parallel twin screw extruder with the specific advantages of the conical screw design; a key element of this integrated recycling and compounding system.
The MAS EXTRUDER is perfectly suited for any application when a variety of product requirements need an individual, high quality solution.
Conical co-rotational twin screw design
Large feed opening
Process low bulk density materials (Film, Fibers, etc.)
Cascade configuration for superior degassing
Low melt temperatures
Reduce energy consumption by as much as 40%
High melt pressure combined with maximum pressure stability
Large shaft diameters allow for high torque
Easy Screw Removal
Modular Screw and Barrel Design
Processing of undried PET and PLA
The MAS Extruder is equipped with a modular screw and barrel design and can be configured individually to any application including no venting or 1-2 vent ports. The mixing and plasticizing capacity of the extruder can be modified by exchanging screw elements. Due to the conical design, an extremely fast screw changeover is possible. While the downstream equipment remains stationary, the cylinder is swiveled out and the screws can be pulled out to the rear without further tools.
THE MAS EXTRUDER 45, 55L, 75, 90, 93 & 93 PlusMaximum Added Value in Production
The MAS Series of Extruders offers a wide range of production capacity from 200 lbs/hour to 6000 lbs/hour (depending on model, polymer and other variables).
Compact, robust, durable
Thanks to the conical design MAS has been able to construct an extruder with extremely large back pressure bearings that allow a high torque input into the extruder screws especially in the area were it is needed most (Melt Section). The screw diameter in the feed section is approximately twice as big as the pump section of the screw.
The MAS extruder is perfect for processing A PET, G PET R PET, PET or PLA both for re-pelletizing and for direct extrusion into final products. The large feed section of the conical extruder supports feeding of both PET flakes (PET bottles, preforms) and pellets as well as sheet regrind. There is no need to pre-crystallize or pre-dry the PET or PLA as the feed mechanism is combined with a high-performance Vacuum.
As the extruder’s intake volume is significantly greater than the discharge volume, an extremely high screw fill level is achieved. This helps to achieve high output values at slow screw speeds and at a correspondingly low melt temperatures. This results in excellent color values and minimal IV loss. A low thermal load accompanied by very low specific energy consumption high quality product at very low operating cost.
If it is desired to produce an FDA complaint pellet or sheet, the MAS Extruder can be combined with the standard crystalizing and drying system or the advanced KREYENBORG Infrared Dryer since both process have been granted an LNO from FDA for food contact.
THE MAS CASCADING EXTRUDER
The MAS Cascade Extruder makes it possible to reprocess materials (heavily printed materials, recycled materials with high contamination levels etc.) that are difficult to de-gas on conventional extrusion lines. he Cascade extruder works in conjunction with an upstream Extruder (preferably MAS twin-screw extruder) to reprocess and de-gas the material after the melt filtration.
Depending on the size, the MAS Cascade Extruder is equipped with 2 or 3 vent ports and a melt distribution system to increase the degassing efficiency. With a MAS Cascading system, the two processes of Recycling and Re-Compounding can be combined into ONE STEP .
THE MAS LABORATORY EXTRUDER
The MAS 24 LABORATORY EXTRUDER is the only conical & co-rotating twin screw extruder available for small volume applications. This technology enables the customer to process a wider range of materials including recycled materials on a laboratory scale. It is also ideal for small-scale high-end polymer compounding applications.
If it is used in conjunction with MAS Processing Extruders (MAS 45-93) the results from the laboratory can be transferred to production without recreating recipes.
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