WENZHOU BOJING PLASTIC MOULD CO., LTD.
WENZHOU BOJING PLASTIC MOULD CO., LTD.

The extruder filter screen is one of the indispensable parts of the film blowing machine, and its main function is to filter the impurities in the plastic raw materials, such as dust, not melted completely plastic particles, etc., and to avoid these impurities causing slippage or irreversible damage in the die head. The function of the extrusion filter screen in addition to filtering the impurities in the plastic raw materials, can also increase the friction resistance between the screw and the plastic raw materials in the extruder, and increase the back pressure at the same time to help achieve the complete mixing of raw materials.

Types of Extruder Filter

The Installation Of Extruder Filter

Purchase a extruder filter with the right size for the screw and die headThe extruder filter connects the screw and die head through the connector
  1. Purchase a extruder filter with the right size for the screw and die head

  2. The extruder filter connects the screw and die head through the connector

What Is an Extruder Filter Used For?

Feeding: The three passes of the film blowing machine can add different kinds of materials to the extruder filter film material, such as color masterbatch, anti-static agent, plasticizer, etc. These m...
  1. Feeding: The three passes of the film blowing machine can add different kinds of materials to the extruder filter film material, such as color masterbatch, anti-static agent, plasticizer, etc. These materials can improve the flexibility and barrier properties of the film, and enhance the stability and durability of the film.

  2. Exhaust: The film blowing machine will produce a certain amount of air or water vapor during the production process, if not discharged in time, it will affect the quality of the extruder filter film. Another function of the tee of the film blowing machine is to discharge these impurities, so as to ensure that the quality of the blown film is more stable.

  3. Pressure adjustment: The three passes of the film blowing machine can also be adjusted for pressure to ensure the uniform thickness of the blown film. In the process of blowing the extruder filter film, the thickness of the film will fluctuate due to the influence of environmental, material and other factors. The tee of the film blowing machine can ensure the uniform thickness of the blown film by adjusting the pressure.

Working Principle of extruder filter

Extruder filters are essential components in plastic extrusion processes, used to remove contaminants and impurities from the molten plastic material. They ensure the quality and consistency of the fi...

Extruder filters are essential components in plastic extrusion processes, used to remove contaminants and impurities from the molten plastic material. They ensure the quality and consistency of the final product.

Material Flow: The molten plastic material flows through the extruder barrel and is pushed towards the die head.

Filtering: The material passes through the filter screen or element, which is typically made of metal mesh or a porous material. Contaminants, such as foreign particles, gel particles, and degraded material, are trapped within the filter.

Clean Material: The filtered, clean material then flows through the die head and is extruded into the desired shape.


Applications of Extruder Filter

Packaging films: Used to remove impurities from materials used to produce packaging films like polyethylene terephthalate (PET), low-density polyethylene (LDPE), and high-density polyethylene (HDPE).F...

Packaging films: Used to remove impurities from materials used to produce packaging films like polyethylene terephthalate (PET), low-density polyethylene (LDPE), and high-density polyethylene (HDPE).

Food packaging: Used to filter materials used in food packaging to prevent contamination.

Medical devices: Ensures the cleanliness and safety of materials used in medical devices.

Pharmaceutical products: Removes contaminants from materials used in pharmaceutical production.

Automotive: Removes impurities from materials used in automotive components.

Electronics: Used to filter materials used in electronic components.


FAQs of Extruder Filter

  • What are advantages of the extruder filter?

    1. Favorable price.

    2. Easy to install

  • Why is extruder filter cheaper than quick screen change?

    Because fewer materials are used, the production process is relatively simple, and and the replacement needs more time.

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