Screening Expanded Sheet Materials

Description

Screening expanded sheet materials are designed to provide a structured and durable surface with a series of openings. These materials are created through a process that involves slitting and stretching a solid sheet of metal, resulting in a mesh-like pattern. The final product is characterized by its high rigidity and small pore sizes, which are essential for various engineering applications .

Working Principle

The working principle of screening expanded sheet materials involves the slit-and-stretch process, where a solid sheet of metal is cut and then expanded to form a mesh. This process increases the surface area and creates a pattern of openings that can be adjusted in size and shape according to specific requirements. The precision tooling used in this process determines the dimensions of the openings, such as the long way of the diamond (LWD) and the short way of the diamond (SWD) . These materials are useful because they provide a combination of strength, rigidity, and ventilation, making them suitable for applications that require these properties.

Applications

Screening expanded sheet materials are used in a variety of specific applications. For example, they are employed as drainage barriers and in material storage systems where high ventilation is necessary . Additionally, they are used in electromagnetic interference (EMI) shielding to protect electronic circuits and devices by establishing a frequency barrier along seams and openings in electronic enclosures .

Advantages over other Expanded Sheet Materials

One of the advantages of screening expanded sheet materials over other types is their high rigidity and small pore sizes, which make them particularly effective in applications requiring structural integrity and precise filtration . The ability to customize the size and shape of the openings through precision tooling also provides a significant advantage, allowing for tailored solutions to meet specific engineering needs.

Limitations

A limitation of screening expanded sheet materials is that the precision required in the tooling and manufacturing process can lead to higher initial costs compared to simpler sheet materials. Additionally, the small pore sizes, while advantageous for certain applications, may not be suitable for applications requiring larger openings or less rigidity .

Considerations

When considering the use of screening expanded sheet materials, it is important to evaluate the initial costs, which can be higher due to the precision tooling involved. Operating expenses may vary depending on the specific application and environmental conditions. Durability is generally high, but regular maintenance and replacement costs should be factored in, especially in harsh environments where corrosion or wear could be an issue. Accuracy in meeting dimensional requirements is crucial, and testing procedures such as tensile and bend testing are recommended to ensure compliance with specifications .

18 Results
Expanded Metal Foils -- MicroGrid®
from Dexmet® Corporation, a part of PPG’s engineered materials division

A superior alternative to woven wire, our precision expanded metals are used in a wide variety of applications that require an open-area product. Dexmet expanded metal foils are used for aerospace and wind turbine lightning strike protection, EMI shielding, advanced primary and secondary battery... [See More]

  • Applications: Battery Separator; Electrode; EMI / RFI Shielding; Gasketing / Seals; Reinforcement; Screening; widely used in the aerospace, electrochemical, medical, and automotive industries
  • Features: Calendered / Flattened (optional feature)
  • Metal: Aluminum (optional feature); Copper / Brass / Bronze (optional feature); Nickel / Nickel Alloys (optional feature); Stainless Steel (optional feature); Steel (optional feature); Titanium (optional feature); Zinc, Monel, or Proprietary Material
Expanded Metal Foils for Automotive Applications -- MicroGrid®
from Dexmet® Corporation, a part of PPG’s engineered materials division

Dexmet precision expanded metals are used in a host of primary OEM and aftermarket automotive products. Typical applications include: low-cost greaseless bearings, high temperature gaskets, airbags, inlet screen and filtration. Dexmet bronze mesh is used as a lubricating material and support... [See More]

  • Applications: Screening
  • Features: Calendered / Flattened (optional feature)
  • Metal: Aluminum (optional feature); Copper / Brass / Bronze (optional feature); Nickel / Nickel Alloys (optional feature); Stainless Steel (optional feature); Steel (optional feature); Titanium (optional feature); Zinc, Monel, or Proprietary Material
Thin-gauge Perforated Foils
from Dexmet® Corporation, a part of PPG’s engineered materials division

Building on its leadership in precision, thin-gauge expanded foils, Dexmet introduces a complementing line of meticulously-engineered, thin-gauge perforated metals and plastics. Building on its leadership in precision, thin-gauge expanded foils, Dexmet introduces a complementing line of... [See More]

  • Applications: Screening
  • Features: Calendered / Flattened (optional feature)
Decorative Expanded Metal -- GRECO
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 0.5700
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: ? to 4
Decorative Expanded Metal -- IMPERIAL
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 0.5000
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: ? to 4
Decorative Expanded Metal -- IMPERIAL SKIP MESH
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
Decorative Expanded Metal -- MINI TAHOE
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 0.4000
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: ? to 1.38
Decorative Expanded Metal -- OASIS
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 1.1
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: ? to 3
Decorative Expanded Metal -- PERFEX
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • LWD: 0.3000 to 0.6000
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat
Decorative Expanded Metal -- PINNACLE
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 0.5000
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: 4 to ?
Decorative Expanded Metal -- PROVINCIAL
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • SWD: ? to 0.8750
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • LWD: ? to 2
Decorative Expanded Metal -- SKIP MESH
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • LWD: 0.5000 to 1.25
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat
Micromesh Expanded Metal - MicroForm -- .050”
from Wallner Expac

For specialized applications such as microfiltration, battery technologies, and lightning strike protection, Wallner Expac manufactures its MicroForm® line of Micromeshes. Manufactured and engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Battery Separator; Electrode; EMI / RFI Shielding; Fluid Filtration; Screening; Lightning Strike Protection
  • LWD: 0.0500 to 0.1250
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel; Titanium; Silver
  • Features: Calendered / Flattened (optional feature)
Micromesh Expanded Metal - MicroForm -- .070”
from Wallner Expac

For specialized applications such as microfiltration, battery technologies, and lightning strike protection, Wallner Expac manufactures its MicroForm® line of Micromeshes. Manufactured and engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Battery Separator; Electrode; EMI / RFI Shielding; Fluid Filtration; Screening; Lightning Strike Protection
  • LWD: 0.0500 to 0.1250
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel; Titanium; Silver
  • Features: Calendered / Flattened (optional feature)
Micromesh Expanded Metal - MicroForm -- .120”
from Wallner Expac

For specialized applications such as microfiltration, battery technologies, and lightning strike protection, Wallner Expac manufactures its MicroForm® line of Micromeshes. Manufactured and engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Battery Separator; Electrode; EMI / RFI Shielding; Fluid Filtration; Screening; Lightning Strike Protection
  • LWD: 0.0500 to 0.1250
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel; Titanium; Silver
  • Features: Calendered / Flattened (optional feature)
Standard Expanded Metal -- .180”
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Agricultural; Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • LWD: ? to 0.1800
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat
Standard Expanded Metal -- .200”
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Agricultural; Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • LWD: ? to 0.2000
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat
Standard Expanded Metal -- .238”
from Wallner Expac

For over 60 years, our experience, technical acumen, manufacturing footprint, and dedicated workforce has allowed us to develop and produce expanded metals for use in many applications. Engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]

  • Applications: Agricultural; Building and Construction; Industrial Safety; Screening; Architecture, Ceilings, Walls, Infill Panels
  • LWD: ? to 0.2380
  • Metal: Aluminum; Copper / Brass / Bronze; Nickel / Nickel Alloys; Stainless Steel; Steel
  • Features: Calendered / Flattened (optional feature); Paint, Powder Coat