How to Select Plastic Granulators?

2022-04-12
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Buying a plastic granulator is not a small investment. Buying a plastic granulator that is too large is a waste of money, while a plastic granulator that is too small is not suitable. Therefore, choosing the right granulator with suitable blades for injection molding, blow molding, extrusion or recycling is quite important. These are 4 key steps and factors you should consider when choosing plastic granulators.

Plastic Granulators



Plastic Granulators

According to the required materials' cutting amount to choose the Low-speed Granulator or Centralized Granulator.

  • The 1st step is to determine which type of granulator you need

The first step is to determine which type of granulator you need, low-speed or centralized. Low-speed granulators are suitable for materials that require small cutting amounts, while centralized granulators are suitable for materials that require large cutting amounts.

  • The 2nd step is to consider the size of the materials to be crushed

When choosing a plastic granulator, it is important to consider the size of the materials to be crushed and the inlet diameter of the granulator. The maximum size of materials to be crushed must be smaller than or equal to the inlet diameter of the granulator.

  • The 3rd step is to consider the size of the materials thickness and hardness levels

The next thing you should consider when choosing plastic granulators is their material thickness and hardness levels. This will help determine which type of power is needed for different types of materials.

  • The 4th step is to consider the required particle size

Then you need to consider the required particle size. This will help determine the specific granulator model, which then helps determine what size screen to choose.


Read Also : Guides to Industrial Plastic Granulator and Shredder?


If you're looking to shred or recycle your plastics or rubbers, you may be wondering what type of plastic granulators you need. Here are 2 options for your reference :

  • Single-shaft shredders are a great option if you have thick and rigid materials that need to be shredded. SGS-S series single-shaft shredders can handle large tubes or solid pieces effectively, making them perfect for recycling rubbers and woods.
  • If you're looking for something more flexible, a film granulator might work better for you. These machines are designed for crushing all kinds of leftover plastics, including packaging braids, extruded sheets and films. The thickness of the films is between 0.5mm and 4mm.


Choose the Shini Group for Plastic Granulators. Feel free to contact us today for more information.


Shini Group’s Plastics Material Handling Equipment offers the most advanced energy saving machines to enhance your production efficiency. Many well-known and highly respected companies around the world employ Shini plastics auxiliary equipment, such as BYD and TOYOTA for manufacturing automobiles, FOXCONN for manufacturing electronic components, as well as SANYO, SIEMENS, and HAIER for manufacturing home appliances! Other companies that utilize Shini’s equipment for high quality results include HSUFUCHI (food production industry), JIN-JIAN (medical Industry).