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Underwater Pelletizing Line For Plastic Recycling
  • Underwater Pelletizing Line For Plastic Recycling
  • Underwater Pelletizing Line For Plastic Recycling
  • Underwater Pelletizing Line For Plastic Recycling

Underwater Pelletizing Line For Plastic Recycling

Product Description

Under Water Pelletizing Line For Plastic Recycling And Compounding


The process of pelletizing can be applied in several areas. For recycling, the whole procedure is taking the waste plastic material into plastic granulates so as to converting the plastic into other products.

After crushing, washing, dewatering and preparing for pelletizing, the production process starts. The pre-processed plastic will have following steps principally:

  • Extruded by extruder
  • Pelletizing as granulates
  • Granulates filtering for quality controlling
  • Granulates Drying and Collection

There are different concept to realize the above mentioned steps. Therefore, the production line should be presented with different equipment. According to the character of plastic material and quality requirement of the granulates, customers can choose one of pelletizing concept which is best suitable for the whole production line. The under Water Pelletizing is a kind of pelletizing concept. But its applications are becoming more widespread. With following characters, we can have a brief overview about the under water pelletizing.


Underwater pelletizing is used for polymers that are difficult to process (e.g. sticky). The melt emerges from the die plate and is knocked off by the pelletizing knives. The entire process takes place under water. In the centrifuge, the pellets are separated from the process water and dried.

under water pelletizing2

Advantages of pelletized Granulates:

  • have optimized particle shape, smooth and even particlesurface
  • prevent the particle oxidation during pelletizing
  • reduce the risk of sticking to each particles

Advantage of production and operation:

  • high automatic and continuous production
  • less cooling time and the demand of production space
  • production in a closed condition and environment friendly
  • little noise and no dust

Zhangjiagang Langbo Machinery Co. Ltd.

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ZHANGJIAGANG LANGBO MACHINERY CO., LTD. is a continually growing and forward-thinking firm focusing on the range of plastic extrusion and recycling processes.Due to our constant applying to plastic extrusion and recycling technology, we have mature competence to offering production lines for PVC/PE/PP-R pipe, PE/PP-R composite multi-layer pipe, PVC profile, PVC/PP/PE composite profile, PVC compounding and recycling for PET/PP/PE or other wasted plastics.

With the aim of delivering a personal tailored, efficient and professional service to fulfill our lang-standing and new customer requirements. We provide not only our high quality standard or customized equipment but also our comprehensive services including machinery operation and maintenance guidance. In the fast-growing competitive market, we helped our customers to achieve their business goal and expanded our production capabilities and warehousing significantly.

Company Info
  • Company Name: Zhangjiagang Langbo Machinery Co. Ltd.
  • Representative: Bofeng YIN
  • Product/Service: Pipe Extrusion Line , Profile Extrusion Line , Plastic Recycling Equipment , Co-Extrusion Line , Plastic Granulating Equipment , Granulating Equipment
  • Capital (Million US $): 500000RMB
  • Year Established: 2012
  • Total Annual Sales Volume (Million US $): US$1 Million - US$2.5 Million
  • Export Percentage: 91% - 100%
  • Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
  • No. of Production Lines: Above 20
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 3,000-5,000 square meters
  • Factory Location: Lefeng Road 99. Leyu town, Zhangjiagang City, China
  • Contact Person: Ms. Emma LIU
  • Tel: +86-139-21974941
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