EMI Shielding with MicroGrid®

Featured Product from Engineered Materials, a subsidiary of PPG Aerospace (Dexmet Corporation)

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Why Solutions from Engineered Materials are Optimal For EMI Shielding
MicroGrid® EM series of expanded metal foils are versatile, effective materials for shielding against electromagnetic interference (EMI). Expanded metal foils are formed from solid metal foil in a proven, economical “slit-and-stretch” process. They are electrically continuous and, unlike knit or woven meshes, exhibit consistent and predictable conductivity.

Thin, strong, flexible and lightweight, expanded metal foils will not fray or unravel, and conform readily to complex surfaces, making them well-suited to composite manufacturing processes.

Standard configurations include copper, aluminum, nickel and Monel meshes. The open area of the mesh can be precision-tailored to meet user requirements for weight, resistivity, formability and shielding effectiveness.

Applications:

  • Shielded enclosures
  • Gaskets
  • Ventilation screens
  • Cable shielding
  • Laminated structures
  • Cockpit electronics

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Engineered Materials (Dexmet Corporation) manufactures precision expanded metal foils and polymers with exacting mechanical and electrical properties to meet very tight conductivity, weight and dimensional tolerances. The company maintains a continuous commitment to quality control and process improvement, including SPC implementation. Ongoing innovations include our unique strand annealing furnace as well as a host of other highly specialized proprietary equipment.

The Dexmet Quality System is joint AS9100:D and ISO 9001:2015 certified. The company subscribes to the standard’s requisite features, including documentation and record-keeping, while it also maintains a flexible stance toward evolving standards and innovative ideas from our customers and employees. Thus, whenever a better way emerges to reduce cost, reduce scrap, improve quality, improve customer service and make it easier for our employees to produce your product with the smallest possible product variation, Dexmet’s Quality System is poised to incorporate these benefits.


The Dexmet Quality System is driven by the needs of our customers. We have adopted many suggestions from our customers and will continue to do so. It is this teamwork that makes us better.