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VERMALLOY® SHIELDING

Vermalloy® 622 - A high permeability mumetal type alloy in standard stranded form. Used in critical shielding applications, especially in audio frequency ranges and high magnetic fields.

Vermalloy® 3948 - A high permeability mumetal type alloy in flattened ribbon form. Provides up to 75% shield weight savings for critical airborne or satellite applications.







APPLICATION DATA

Jacketing Materials - pg 1  PDF (70 KB)
Jacketing Materials - pg 2  PDF (50 KB)


SHIELDING TEST DATA

Shielding Effectiveness
PDF (2.0 MB)

SHIELDING DESIGN CONSIDERATIONS

Shielding Design Considerations
PDF (500 KB)

Shielding Materials
PDF (400 KB)

 

JACKETING

Jacketing materials utilized by Vermillion include both braided and extruded types. The more common types are listed below.

Braided - Nylon, Polyester, Nomex and PTFE

Extruded - Polyurethane, Polyethylene (cross linked polyethylene for low smoke shipboard applications) and Tefzel - ETFE.

 

OTHER SHIELDING CAPABILITIES

Tinned Copper (T/C) - Most common and least expensive shielding material. Commonly used where magnetic shielding is not a requirement.

Ribbon Copper - Flattened form of T/C providing weight savings.

Mylar Wraps - Usually used in conjunction with copper or aluminum coating to provide an additional shielding layer. Uncoated mylar wrap can provide isolation as well as act as a binder to hold cable together during the manufacturing operation. Aluminum mylar generally provides cost, environmental and weight advantages while copper mylar provides flexibility, conductivity and higher frequency response advantages.

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