EMI Magnetic Shielding Alloys Supplier | Custom Fabricated Shields | MuMETAL® Science Research and Education
WORLDWIDE MANUFACTURER and  DISTRIBUTOR Since 1941   Magnetic Shield Corporation, a division of Perfection Mica Company, is the premier supplier of custom magnetic shielding alloys and custom Built shields.

CUSTOM Mumetal® SHIELDING CANS

high permeability 80% nickel-iron Mumetal®



Custom Stamped or Deep Drawn Cans

Our custom sizes are produced from MuMETAL®, Co-NETIC® or NETIC® shielding alloys depending on your exact shielding requirements. We offer 5-sided magnetic shielding MuMETAL® Cans stamped or formed in either ROUND or RECTANGULAR shapes, and deep-drawn up to a 3:1 depth ratio when necessary. Standard stock and custom sizes are available in a wide range of thicknesses from 0.014’’ to 0.062’’ [0,36mm to 1,57mm thick].

After AA Perfection Annealing, the alloy exhibits a bright nickel appearance; and we offer additional finishing services if required, including plating, electro-polish, powder coating and paint.

All of our shielding enclosures can be supplied with either inside or outside tight fitting Lids, creating a 6-sided shielding enclosure. MuMETAL® Cans are not automatically supplied with Lids, if you require them for your application, please specify this at the time of placing your inquiry.  All of our Lids and Cans may be further machined to include holes/slots configured for your wiring requirements.

We Deliver: Pre-production or Custom Cans Lead Times
We also produce specific form tooling and custom size production cans for many of our clients. Manufacturing new tooling normally takes approximately six weeks before supply of the first prototypes for approval but we can produce hand-made prototypes of a new design in 2-3 weeks to verify the product prior to any tool cost incurred.

Smaller quantities of Cans, or larger size Cans, or of a thicker material can be fabricated using traditional methods, including Spinning, CNC forming and TIG welding.

Note: Send us your part drawing to quote custom configurations produced to spec for your application. Ask us about Annual Production Volumes.

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