Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
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Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter
Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter

Wholesale Polymer Leaf Disc Filters For Plastic Film Industry Supplier, Exporter

The primary purpose of leaf disc filters in polymer film filtration is to remove impurities, contaminants, and particles from the polymer melt or solution before the film formation process. This helps to ensure the production of high-quality and defect-free polymer films.

Compared with melt filter elements, the core advantages of filter discs lie in their larger effective filtration area, the high stability brought by a stronger mechanical structure, and the convenience of maintenance. They are especially suitable for working conditions with high impurity content, high output and high pressure.

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Product Description

Polymer Leaf Disc Filters

Our Polymer leaf disc filters are well-developed filtration products after we are delicate to developing and improving on it for many years by using advanced professional welding equipment and process.
It has the characteristics of the resistance to high pressure & temperature, to chemical corrosion; and good permeability, large dirt-holding capacity, reliable performance and long lifetime with high strength, tenacity, excellent impact resistance, and can be repeatedly used after cleaning. It is mainly used for polymer filtration in the production line of BOPA, BOPET, and BOPP, in order to remove polymer gel, coagulating agent, catalyst, and other solid impurities. Polymer Discs filters are widely applied in the industry of film, polyester polymer, spinning, packaging materials, engineering plastics, oil, chemical and others.

Main Features

Remove impurities, contaminants, and particles from the polymer melt
Good permeability, large dirt-holding capacity
Corrosion resistance; High Temperature And Pressure Resistance
Filter element is repeatedly used after cleaning by ultrasound

Specification

Working pressure ≤31.7MPa
Working temperature ≤300℃
Medium viscosity ≤260Pa.s
Allowable pressure differential ≤10Mpa
Media material Stainless steel sintered fiber, multi-layer sintered stainless steel wire, sintered metal powder
Filtration rate (βx≥75) 5, 7, 10, 15, 20, 25, 30, 40, 60, 80, 100μm
Type
Center ring welding type (soft hub) Center ring type (hard hub)
Center-ring-welding-type disc-filter (1)
Note: We can provide high quality polymer disc filters to meet your specific requirements of polymer melt filtration applications.

How to Choose Between Filter Discs and Melt Filter Elements?

It depends on the specific production process requirements and economic benefit considerations.
The situation where the filter disc is preferred:
  • The Recycled Material (Recycled material) has a very high impurity content.
  • Continuous production, pursuing an extremely long replacement cycle and the highest equipment stability.
  • The melt pressure is extremely high and the working conditions are harsh.
  • From a long-term economic perspective, they are willing to accept a higher initial investment in exchange for lower long-term operating costs.
Situations where melt filter elements are preferred:
  • The raw materials are relatively clean with low impurity content.
  • It has extremely high requirements for filtration accuracy (some filter elements can provide even more extreme accuracy).
  • Due to limited space, a more compact filtration solution is needed.
  • The production batches are variable and require flexible adjustments, or the initial investment budget is limited.

Detail Display

polymer disc filters
screen mesh filter
wire mesh filter

Frequently Asked Questions (FAQ)

What are Polymer Leaf Disc Filters primarily used for?
Polymer leaf disc filters are mainly designed for polymer melt filtration in production lines such as BOPA, BOPET, and BOPP. They efficiently remove polymer gels, coagulating agents, catalysts, and other solid impurities under high pressure and temperature conditions.
Can polymer leaf disc filters be cleaned and reused?
Yes, due to their high structural strength and superior corrosion resistance, these filter elements can be repeatedly cleaned (such as by ultrasonic cleaning or chemical treatment) and reused multiple times, significantly reducing long-term operating costs.
What filtration media materials are available?
Depending on customer requirements and working conditions, media options include stainless steel sintered fiber, multi-layer sintered stainless steel wire mesh, and sintered metal powder.
What is the difference between soft hub and hard hub disc filters?
Center ring welding type (soft hub) filters feature precision-welded inner hubs for improved sealing integrity under specific continuous setups, while center ring type (hard hub) filters utilize rigid structural hubs suitable for heavy mechanical loading and standard filter assemblies.
Can these disc filters handle high-temperature operations?
Yes, our polymer leaf disc filters are engineered to operate reliably at working temperatures up to ≤300℃ and working pressures up to ≤31.7MPa.

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