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China Factory Suppliers of Polymer Candle Filter Elements SUS 304 for High-Viscosity Filtration
Description
The melt filter element is installed in the extrusion line, where the polymer melt is forced through the filter to remove impurities. The filtered polymer melt then proceeds to the spinning process, where it is solidified into continuous filaments or staple fibers.
The main filter layer of Pleated Filter mainly uses two materials: stainless steel wire mesh and stainless steel sintered fiber. Stainless steel wire mesh is woven from stainless steel wire. Its pleated filter has the characteristics of smooth pores, easy cleaning, high temperature resistance, corrosion resistance, no wire mesh falling off, and long filtration cycle. Stainless steel sintered fiber is a porous deep filter material made of stainless steel fibers sintered at high temperature. Its pleated filter has the characteristics of high porosity, good air permeability, strong dirt holding capacity, and strong regeneration ability.
Candle Filter Elements and Filter Media
| Filter Raw Material | SUS304/316L |
| Filter Media | Metal sintering mesh & stainless steel wire mesh |
| Filtration Rating | 1–200 Micron |
| Filter Length | 16–60 inch (406.4–1524 mm) |
| Working Temp. | ≤ 350℃ |
| Allowed Pressure Difference | 10 bar / 14 psi |
| Connector Type | 222 / 226 / 215 / M36 / M28 / M24 / M22 / M20 |
Note: We can provide high quality polymer pleated candle filters to meet your specific requirements of polymer melt filtration applications.
Application Areas
- 1 Petrochemical: Refining, chemical production and separation and recovery of intermediate products.
- 2 Metallurgy: Used for filtration of hydraulic systems of rolling mills and continuous casting machines.
- 3 Textile: Purification and uniform filtration of polyester melt during the drawing process.
- 4 Electronics and Pharmaceuticals: Pre-treatment and filtration of reverse osmosis water and deionized water, pre-treatment and filtration of cleaning fluid and glucose.
- 5 Thermal Power and Nuclear Power: Purification of lubrication systems, speed control systems, bypass control systems of gas turbines and boilers, purification of water supply pumps, fans and dust removal systems.
How to Clean Industrial Filter Cores?
Industrial fine filters are widely used in industries such as pharmaceutical, chemical, ink and paint, food and beverage, automobile manufacturing, cement industry, petroleum, oil refineries, petrochemical, etc. It is important to clean these filter cartridges to ensure that they filter consistently over a long period of time.
Industrial filter cores provided by Song Phung have high dirt holding capacity, are easy to install, clean and maintain. The fine filter element is sturdy, has a solid quality core and has well-formed layers, so cleaning and installing them is very easy.
Some filtration systems allow backwashing and have a CIP system design. But most have to be taken out of their shells, sterilized and washed. When not in use, these cleaned filter cartridges are dried and sealed or vacuumed to prevent contamination or wear.
Frequently Asked Questions
What is a polymer pleated candle filter element used for?
A polymer pleated candle filter element is used in extrusion and spinning lines to remove impurities from polymer melts, ensuring that the melt is clean before it is solidified into continuous filaments or staple fibers.
What filter media materials are available for pleated candle filters?
The main filter media options are stainless steel wire mesh and stainless steel sintered fiber. Wire mesh offers smooth pores and easy cleaning, while sintered fiber provides high porosity, strong dirt holding capacity, and excellent regeneration ability.
What filtration ratings and sizes are available?
Filtration ratings range from 1 to 200 microns. Filter lengths are available from 16 to 60 inches (406.4–1524 mm), and various connector types are supported including 222, 226, 215, M36, M28, M24, M22, and M20.
What are the maximum working temperature and pressure for these filters?
The pleated candle filter elements can withstand a maximum working temperature of 350℃ and an allowed pressure difference of up to 10 bar (14 psi), making them suitable for demanding industrial environments.
Which industries can benefit from using pleated candle filter elements?
These filters are widely applicable across petrochemical, metallurgy, textile, electronics, pharmaceutical, food and beverage, automobile manufacturing, thermal power, and nuclear power industries, among others.
How should industrial pleated candle filter elements be cleaned and maintained?
Depending on the system design, filters can be cleaned via backwashing or CIP systems. In most cases, filter elements should be removed from their housings, sterilized, and washed thoroughly. Once cleaned, they should be dried and stored in sealed or vacuum-packed conditions to prevent contamination or damage.


