Extruded PP Netting

Oriented PP Netting

Rigid PP Tubes High Temp PBT Tubes Custom Fabricated Tubes

Tubular Sleeves

Industrial Netting offers a wide variety of mesh materials for filtration applications. The products are used across a wide range of filtration industries including automotive, HVAC, water purification, hydraulic filtration, fuel filtration, beverage filtration, medical filtration, and food processing. Click on Plastic Mesh or Metal Mesh to view raw material choices, samples and specifications. Below are tables showing the common polypropylene extruded products used for filtration applications.

Extruded Polypropylene Netting
Extruded netting is distinct from woven and nonwoven materials. They feature greater dimensional stability and rigidity, as the joint structure is welded together. Extruded netting is produced in both Diamond (B-Planar) and Square (Mono-Planar) configurations. Both configurations are produced in rolls and made available in rolls or cut sizes. The Square mesh configuration is also produced in rigid tubular form.

Polypropylene is a common resin in filtration applications due to its inert nature and regulatory approval for both food contact and pharmaceutical applications.

Plastic netting is used to support the filter medium substrate. It helps the medium to retain a given shape or support the medium against the liquid or air stream. One major application for plastic netting is as a pleat support. It allows for relatively uniform separation between the pleats. Plastic netting is rigid enough to keep the pleats uniformly exposed to the stream, enhancing the filters' efficiency.

Plastic netting is used to support the filter medium in non-pleat applications as well. In disk filters, small aperture netting is used to create a separation between layers of filter media, ensuring the filtration stream has adequate exposure to the filter medium. More open aperture netting is used in air filtration panels to physically support the filter medium and as face plates to protect the filter media. Heavier weight, large aperture netting products are often used as backers in sewn filter fabrics for a wide variety of industrial filtration applications. Wherever, and however, filter media requires support, there is a plastic netting product that can help ensure its performance.

A major roll for plastic netting in filtration applications is to facilitate the flow of fluids or air across the medium. Plastic netting serves as a spacer between layers of filter media in a number of element configurations, allowing fluid to be channeled across the filter medium. The largest application for this flow channel function is with spiral filter elements. The Square configuration is used to add integrity to the media and is used as a pleat support or as a prefilter in normal flow applications. Square mesh gives consistent quality to the filter. The design of the netting provides for varying heights of the strands, creating the channel for fluids or air to flow. The Diamond configuration is used in cross-flow applications to provide drainage and as a spacer net. Due to its high profile strand construction it can provide support for the medium with minimal contact with the substrate, which reduces the effects of binding. The flow channel height and depth can be designed for various types of filtration streams and flow rates. While this is commonly used in spiral filter elements it is also used in other membrane-related filtration applications as well.

Flat stock plastic netting, rigid tubes and flexible netting sleeves can be used as an outer containment for cartridge filters. Netting can simply serve to protect the filter medium during handling and cleaning, or it may additionally serve to contain the filter medium in high pressure or inside-out flow applications. Whatever the function, extruded plastic netting, tubes and sleeves contribute to both the performance and aesthetics of a filter element.

Extruded Polypropylene Diamond Net Product (Not Actual Size) Part Number Nominal Hole Size (inches) Thickness (inches) Roll Width (inches) Strands (per inch) MD X CD Nominal Open Percent XN 4900 * 0.015 0.030 40.0 30 X 30 45% XN 4800 * .050 X.050 0.021 40.0 16 X 16 60% XN 4410 * .065 X.065 0.040 37.5 11.5 X 11.5 58% XN 4820 * .100 X.100 0.031 41.0 9 X 9 76% XN 4510 * .080 X.080 0.080 24.0 8.00 X 8.00 41% XN 4835 * .110 X.110 0.046 41.0 7 X 7 66% XN 4840 * .120 X.120 0.065 41.0 7 X 7 64% XN 4700 * 0.197 X 0.197 0.100 38.5 4.00 X 4.00 66% XN 4720 * 0.197 X 0.197 0.095 49.0 4.00 X 4.00 66% Extruded Polypropylene Square Net Product (Not Actual Size) Part Number Nominal Hole Size (inches) Thickness (inches) Roll Width (inches) Strands (per inch) MD X CD Nominal Open Percent XN 0260 * 0.203 X 0.187 0.059 41.50 3.50 X 4.00 60% XV 1340 * 0.095 X 0.175 0.070 39.50 6.85 X 5.00 50% XV 1347 * 0.095 X 0.175 0.070 47.50 6.85 X 5.00 50% XN 1588 * 0.085 X 0.105 0.045 43.50 8.10 X 6.25 37% XN 1335 * 0.085 X 0.115 0.070 42.00 7.00 x 5.00 35% XN 1673 * 0.145 X 0.175 0.035 44.00 5.75 X 5.00 70% XN 1678 * 0.120 X 0.175 0.035 43.50 7.00 X 5.00 60% XN 2341 * 0.155 X 0.160 0.055 39.00 5.00 X 5.00 60% XN 2170 *1 0.315 X 0.260 0.085 37.25 2.87 X 3.00 65% XN 2950 * 0.150 X 0.220 0.048 37.50 5.00 X 4.00 55% XN 3019 * 0.030 X 0.037 0.036 33.50 14.30 X 12.75 20% XN 3234 * 0.054 X 0.080 0.020 41.0 & 54.0 14.20 X 12.25 65% XN 5010 * 0.275 X 0.297 0.110 49.00 2.50 X 2.50 45% XN 5018 * 0.300 X 0.280 0.110 60.00 2.50 X 2.50 50% XN 5170 * 0.040 X 0.053 0.019 43.50 17.00 X 14.60 50% XN 5340 * 0.033 X 0.045 0.031 43.50 17.00 X 14.40 30% XN 6080 * 0.021 X 0.027 0.014 37.50 27.50 X 25.00 35% XN 6070 * 0.021 X 0.027 0.014 43.50 27.60 X 25.00 35% XN 7025 *2 0.170 X 0.125 0.034 33.25 6.75 X 5.00 65% XN 7110 * 0.024 X 0.027 0.014 39.50 25.50 X 30.00 30% Key:  * = denotes stock product 1 = high density polyethylene resin 2 = polyethylene polypropylene blend All products are polypropylene unless specified otherwise. Stock status of any product may change without notice.

Oriented Polypropylene Netting
Small aperture, lightweight plastic netting is ideally suited for pleating applications, providing both support for the medium and improving flow rates by maintaining adequate pleat separation in the application. There is a wide range of small aperture nettings available and an even greater range of netting that can be easily customized for your application. Though visually similar, each netting has unique characteristics in terms of thickness, aperture size and strand shape to meet various application requirements.

Light weight plastic netting is also used to reinforce another substrate. Often the netting is incorporated in a Nonwoven to provide improved performance, such as strength or tear resistance. The netting becomes part of the composite medium without a separate function in the filer element.

Oriented Net (lightweight) Product (Not Actual Size) Part Number Weight (lbs/1000 ft²) Nominal Hole Size (inches) Strands (per inch) MD X CD ON 3330 8.0 0.143 X 0.040 7.00 X 25.00 ON 3350 21.0 0.250 X 0.083   4.00 X 12.00 ON 6200 10.0 0.166 X 0.166 6.00 X 6.00 ON 6275 1.5 0.166 X 0.166 6.00 X 6.00 ON 3018 6.7 0.250 X 0.250 4.00 X 4.00 ON 3230 1.0 0.333 X 0.333 3.00 X 3.00

New!! Thermoplastic Polyester (PBT) High Temperature Tubes
Now available from Industrial Netting on a special order basis, high temperature PBT (Polybutylene Terephthalate) Tubes. PBT is ideal where the application requires a higher temperature rating than polypropylene, having a heat deflection temperature of 155 Celsius (311 F). PBT offers excellent wettability and biocompatibility for blood filtration, as well as excellent chemical resistance and low moisture absorption. Applications ideal for PBT tubes are blood filtration, air filtration and fluid or liquid filtration. Please call or e-mail us regarding additional information on PBT tubes.
For more information on PBT material specifications click here.

Rigid Polypropylene Tubes
One of the main applications for plastic netting (in rigid tube form) is for center core support in filter cartridges. Extruded cores are common in all types of cartridge filtration, whether pleated, wound or depth filter elements. The ready availability of a wide range of product designs, and the minimal tooling costs associated with custom designs, make extruded cores a favorite for filter design engineers.

Rigid tubes can be used as an outer containment sleeve for cartridge filters as well. The tubes protect filter media from damage during handling and cleaning.

Below is a list of current extruded rigid tubes made from polypropylene or polyethylene. If you do not see what you need, please contact us to further explore our capability.

Custom Fabricated Tubes
Industrial Netting has the unique capability to form tube stock from flat or roll form netting to expand your application base for containment and protection. In a proprietary process, netting is sonic welded or heat sealed to form a broad range of tube possibilities - from fine meshes to heavier, rigid and more open forms. A wide range of diameters, weights and mesh sizes are available from a variety of resin bases within this "forming" process.

In addition, we have the capability to form nonwoven fabrics as tubing overwraps in this same process.

Extruded Tubular Sleeves Flexible, extruded tubular sleeves from Industrial Netting protect and contain filter media in cartridge applications. Select from a variety of mesh sizes, shapes, diameters and lengths to meet your specifications.

Product Specifications

Extruded Tubular Sleeves Part Number Layflat (inches) Diameter Range (inches) Roll Length (feet) Strands (per inch) Polymer Color NG 5015 1.48 1.25 to 2.25 340 3 LDPE Natural NG 5025 1.68 1.75 to 2.25 1500 3 PP Natural NG 5045 2.26 2.00 to 2.50 1500 2.5 PP Natural NG 5050 2.28 1.75 to 2.75 340 1.5 LDPE White NG 5055 2.28 1.75 to 2.75 340 1.5 LDPE Yellow

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