Functional Masterbatch Compounding Extruder
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Functional Masterbatch Compounding Extruder

Twin screw air cooling hot face cutting system for functional masterbatches with flame retardants, anti-static, anti-bacteria, or other special functional fillers.

Product Description

Twin Screw Air Cooling Hot Face Cutting System for Functional Masterbatches


Powder additives with a low bulk density such as silicate are usually added by means of one or two side stuffers for incorporation. The lower cut screws in the side stuffer also help the feed of the material. 


The additive feed often poses a challenge in processing: if additives with a low melting point are added, they could already melt in the side stuffer. This would lead to a blockage in the side stuffer. The formulation consistency can then no longer be guaranteed. In such cases, the use of a side stuffer with cooled barrels and screws is recommended.


IMPORTANT PARAMETERS FOR THE RESIDENCE TIME


On account of different viscosities and in some cases difficult mixtures, the residence time has to be increased for certain formulations. This is achieved by


1.extending the processing unit

2.the use of reverse screw elements


Twin-Screw-Air-Cooling-Hot-Face-Cutting-System-for-Functional-Masterbatches

  1. metering feeder  2. twin screw extruder  3. air-cooling hot-face pelletizer  4. blower   5. cyclone  6. vibrating sieve


Application

Functional masterbatches can be used in a wide variety of applications. They can be used to modify the physical and chemical properties of plastics, e.g. the UV or flame-resistance, thermal stability or impact strength. The polymer is hereby enriched with large amounts of liquid or powder additives.


Masterbatches with Flame Retardants: PP, PA, ABS, EVA, PBT, etc. with flame retardants and other additives.
● Special Functional Masterbatches: Masterbatches with anti-static, anti-bacteria, or other special functional fillers.


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