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Our products have been produced with high quality & standards

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Our products have been used in many places

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Steels are alloys of iron and carbon, widely used in construction and other applications because of their high tensile strengths and low costs. Carbon, other elements

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Expanded Metal Mesh

 

Expanded Metal is produced from solid sheets or plates of carbon, galvanized and stainless steel, as well as aluminum and a variety of alloys of copper, nickel, silver, titanium and other metals. Because expanded metal is made from a solid sheet of metal, and it is not woven or welded - it can never unravel.

To produce expanded metal, a sheet or plate is simultaneously slit and stretched.  This process expands the cuts into diamond shaped holes of uniform size and shape. Because no metal is lost in the expanding process, expanded metal is cost effective and saves energy by conserving material and allowing the fabrication to go further and do more.

 

    One-piece, single-unit structure
    Eliminates unraveling and contact resistance of woven mesh
    Superior shielding, electrical and heat transfer properties
    Wide range of sizes, patterns, angles and materials
    Specialized process variations, such as flattening, pulling, and annealing available

MicroGrid® precision-expanded foils from Dexmet are used in batteries, electronics, aerospace, medical, packaging, and wherever mesh and perforated foils with high precision, mechanical and electrical properties or EMI/ RFI shielding capabilities are required. They are available in most metals and polymers, or we can work with your proprietary materials. Metals we regularly produce include: aluminum, brass, copper, Monel™, nickel, steel, stainless steel, and zinc.

From our expanded metal a range of standard diamond mesh sizes from .416" to .020" is available. The number of openings per square inch can vary from 25 to as many as 11,000, with an open area from 95% to as low as 10%. The variable open area facilitates lamination with a variety of other materials, including those which expand, contract and flex. We'll even design a precision expanded foil or expanded metal with unique characteristics for your particular application. Dexmet's extensive manufacturing resources can accommodate many process variations for metal materials in a range of finished thicknesses.

LWD (Long Way of the Diamond), measured from the center of the joint to the center of the adjacent joint. This dimension is built into the tool, and is always parallel to the width of the coil and corresponds with the diamond dimension.

SWD (Short Way of the Diamond) is the length of the short axis way of the diamond, measured from the center of the joint to the center of the joint. For each fixed LWD dimension, there is a range of SWD dimensions available as shown above.

Ductile Metals: Aluminum, Brass, Columbium, Copper, Gold, Inconel, Nickel, Nickel Alloys, Phosphor Bronze, Platinum, Silver, Stainless Steel, Low Carbon Steel, Tantalum, Titanium, Zinc, Zirconium, etc.

Plastics: PEEK, PTFE, PFA, ECTFE, Polypropylene, Polyethylene, Mylar, Tefzel, etc.

Thickness measurementsExplanation of Product Code:

Example: 3 Ni 5-077

First number represents nominal original thickness
3 = .003" (.076 mm)

Letters are chemical symbol for material
Ni = Nickel

Number immediately following letters represents strand width
5 = .005" (.127 mm)

Last number indicates the long way of the diamond
077 = .077" (1.96 mm)

Variations to many of these standard MicroGrid® products are described in the previous section. In addition, each mesh size offers a wide range of tools for your desired results. We can help design precision expanded foil to meet your specialized mechanical, electrical, or heat transfer requirements. Call for material/mesh samples and engineering assistance.