There are many kinds of plastics, which can be divided into engineering plastics and general plastics according to the use of plastics. General plastics refer to plastics with large output, low price and wide application range. General plastics refer to plastics with large output, low price and wide application range, mainly including polyolefins, polyvinyl chloride and polystyrene. Five kinds of phenolic plastics and amino plastics. Many products used in people's daily life, such as PE film, PP woven bags, PVC plastic pipes and so on, are made of general plastic. Engineering plastics are plastics that can be used as engineering structural materials and machine parts instead of metal. For example, polyamide, polycarbonate, polyformaldehyde, ABS resin, polytetrafluoroethylene, polyester, polysulfone, polyimide and so on.
And when we choose plastic granulator, it is best to choose according to the shape or material of plastic, such as film for a set of granulator, bottle for a set of granulator. The particles produced in this way are of high purity and good market price.
The following is the selection of pelleting machine recommended by Puri company.
1. PE / PP film, silk clean edge materials, can choose Prey ML series single screw single-stage plastic granulator.
2. PE, PP, PA, PS film, silk, and contains a small amount of dirt, impurities and more than 5% of the moisture material, can choose the ML series of single-rod double-stage plastic granulator Prior.
3. Filling, blending, modification, reinforcing of Engineering resins, devolatilization of chlorinated polypropylene and super absorbent resins, extrusion of degradable masterbatch, polyamide condensation and polyurethane addition reaction, PET bottle flake recovery can be selected by TSSK series co-rotating parallel twin-screw extruder granulator made by Prey.
4. Solid plastics such as PE, PP, PS, PVC, ABS, PA, PC, PET etc. can be selected from SJ series single screw single-stage plastic granulator.
5. Semi-solid plastics, such as PE, PP, PS, PVC, ABS, PA, PC, PET and so on, and materials with more impurities, high moisture content and large output, can be selected by SJ series single-screw two-stage plastic granulator.
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