EMI / RFI / EMP Shielding for Military Applications
Our shielding products are designed specifically to meet the demand for superior performance under the most demanding conditions. Whether it be Army, Navy, Marines, Air Force or National Guard, MAJR Products is a proven supplier of EMI / RFI / EMP Shielding for military applications. We are committed to keep our troops, our data and our country safe.
- ISO Registration
- ITAR Registered # M18373
- MIL-DTL-83528
- iNARTE certified
Military Ready Shielding for Any EMC Shielding Design
We have been servicing the military and their subcontractors for over 25 years, from the design stage to production to retrofit. Our EMI / RFI / EMP Shielding products were developed to be certified, highly tested, and ready to support the military shielding requirements of SCIFs, portable generators, electronic warfare applications, TEMPEST secure rooms, Autonomous Vehicles, Comms equip: Routers, Handsets, Radios and more.
Meeting Shielding Requirements
- TEMPEST
- MIL-STD-188
- ICS / ICD 705
- MIL-STD-461
Common Environmental Specification for EMI Shielded Enclosures
Shielding for a Faraday Cage Enclosure (Military Shelter System)
HVAC Honeycomb Waveguide Panel
HVAC Honeycomb Waveguide Panels special design lets air flow into and out of an EMI/RFI shielded enclosure. This feature allows for the cooling of electronics as well as air circulation for manned military shelters as well as electronic boxes and cabinets.
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Honeycomb Ventilation Panels
Honeycomb Ventilation Panels provide optimum electromagnetic/radio frequency interference (EMI/RFI)shielding with minimum pressure drop while ventilating air. Shielding effectiveness is accomplished using waveguide design principles.
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Shield Seal Gaskets
Shield Seal Strip EMI Gaskets (1500 series) is a combination of wire mesh and an elastomer to form one product with excellent environmental and EMI/RFI shielding properties. It is used in applications such as electronic cabinets where this type of shielding gasket material is utilized around the doors of the cabinet to seal off stray electromagnetic and radio frequency interference.
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EMI Connector Gaskets
EMI Connector Gaskets (2000 series) accomplish the grounding of AN Series, Bendix, and RF-Type connectors to an enclosure bulkhead in a manner that will reduce the ingress or egress of electromagnetic and radio frequency interference (EMI/RFI). We offer hundreds of profiles.
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Custom Gaskets
Die-Cut, Molded & O-Ring Gaskets (2000 series) provide the flexibility of complete custom design to assist the client in shielding even the most difficult open aperture situations from electromagnetic and radio frequency interference. Quite literally any size, any shape, and material is available.
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Shield Seal Gaskets
Shield Seal Strip EMI Gaskets (1500 series) is a combination of wire mesh and an elastomer to form one product with excellent environmental and EMI/RFI shielding properties. It is used in applications such as electronic cabinets where this type of shielding gasket material is utilized around the doors of the cabinet to seal off stray electromagnetic and radio frequency interference.
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Conductive Silicone
Conductive Silicone, also known as Conductive Elastomer (5000 series) is a molded silicone elastomer filled with conductive inert particles. It provides high electrical conductivity, broadband shielding and moisture sealing. This material is designed to provide reliable and cost-effective shielding for a wide range of EMI applications. Metallized Filled Silicone is manufactured in sheets, molded parts, strips and die-cut gaskets.
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Shielded Air Filtration Panels
Shielded Air Filtration Panels filter the intake air of electronic equipment where electromagnetic/radio frequency interference (EMI/RFI) shielding is a criteria. Our filter media can be supplied as either dry or oil coated. Impingement of fine dust particles on filters with a glutinous oil coating is greatly enhanced.
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EMI Shielding Mesh Tape
Knitted Wire Mesh EMI ShieldingTape (1000 series) is a double-layered strip of knitted wire mesh providing an effective electromagnetic and radio frequency interference shield for electrical and electronic cable assemblies.
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Honeycomb Ventilation Panels
Honeycomb Ventilation Panels provide optimum electromagnetic/radio frequency interference (EMI/RFI)shielding with minimum pressure drop while ventilating air. Shielding effectiveness is accomplished using waveguide design principles.
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Shield Seal Gaskets
Shield Seal Strip EMI Gaskets (1500 series) is a combination of wire mesh and an elastomer to form one product with excellent environmental and EMI/RFI shielding properties. It is used in applications such as electronic cabinets where this type of shielding gasket material is utilized around the doors of the cabinet to seal off stray electromagnetic and radio frequency interference.
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Mesh Over Elastomer
Wire Mesh Over Elastomer Core EMI Gaskets (1500 series) is a great choice in lower cost effective EMI/RFI shielding and environmental protection. With two covers of mesh over an elastomer, the elastomer under pressure protrudes through the mesh to give sealing protection.
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EMI Wire Mesh Gasket
All Mesh Knitted Wire EMI Gasketing (1500 series) is available in various cross sections to satisfy the many different requirements encountered in EMI/RFI shielding applications. The choice between rectangular, round, round with fin or double round with fin depends on the enclosure or equipment to be shielded.
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EMI Grounding Washers
MAJR Products' EMI grounding washers (2500 series) are manufactured from knitted wire mesh stocking that is formed into a resilient metal washer by compressing in a close-tolerance forming die.
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EMI Shielding Mesh Tape
Knitted Wire Mesh EMI Shielding Tape (1000 series) is a double-layered strip of knitted wire mesh providing an effective electromagnetic and radio frequency interference shield for electrical and electronic cable assemblies.
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Honeycomb Ventilation Panels
MAJR’s line of ready-to-install EMI/RFI honeycomb ventilation panels provide optimum EMI/RFI shielding with minimum pressure drop for the ventilating air. Shielded vent panel effectiveness is accomplished using waveguide honeycomb design principles.
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Veteran-Owned Small Business
MAJR Products Corporation, manufacturer of EMI/RFI Shielding Products, is qualified as a Veteran Owned small business per guidelines set up and administered by the Small Business Administration.
EMI / RFI / EMP Shielding Products for Military Applications
Military Shielding Resources
White Paper – Why Testing Matters in EMI/RFI/EMP Shielding
The challenges posed by EMI, RFI, and EMP have become increasingly significant, as these interferences can affect how sensitive electronic devices function. This may lead to data corruption, system failures, and even life-threatening situations in fields such as aerospace and healthcare. Thus, effective shielding is crucial for protecting electronic systems from such disruptions.However, in order…
A Quick Guide to TEMPEST Levels
As modern technologies continue to advance, the need to safeguard sensitive information from electronic product radiated emissions has become even more critical. Data is continuously streaming through a vast network of electronic devices, and without proper security measures, these devices can emit signals that could be intercepted by unauthorized individuals. This potential vulnerability emphasizes the…
MAJR Products’ Replacements for GORE GS2100 & GS5200
Manufacturers of equipment for demanding applications such as wireless infrastructure, ruggedized scanners/readers, test equipment, defense and aerospace communications need reliable and cost-effective EMI / RFI shielding. Many are approved for military aerospace and spaceflight applications and typically combine good shielding effectiveness with light weight and low outgassing. They are offered in various forms, such as…
Your Source for Flame Retardant EMI Gasket Products
Engineers need a reliable go-to source to specify low outgassing, flame retardant conductive gasket products. Engineers and designers need to specify specialty products with confidence. And those products include flame retardant, low outgassing gaskets. This post will discuss: What are a commonly encountered uses for flame retardant EMI gaskets from MAJR Products? Flame retardant conductive…
EMI-RFI Shielding For Enclosure Windows—The Resources Engineers Need
At MAJR Products, our team of design engineers, technicians, and product support professionals understands that, and we’re here to help you streamline your design process. So in this post, we’re going to provide EMI and RFI engineers and designers with the information and resources you need to solve the most complex enclosure window design challenges.…
Conductive Elastomers: Silicone vs. Fluorosilicone Will Your Hardened Enclosure Remain Effective in Harsh Environments?
Conductive Silicones are often an essential component for hardened boxes and enclosures where environmental sealing and EMI/RFI shielding is required. The typical silicone-based gaskets and seals are impregnated with nickel, silver, copper, aluminum or other conductive particles to give non-conductive silicone their conductivity while providing IP rated environmental sealing that is required in many military…
Navigating Galvanic Corrosion in EMI Shielding—Insights and Resources
We’ve Been Getting A Lot Of Questions Recently About Solutions For Navigating Galvanic Corrosion In EMI Shielding Design. And we’ll provide answers and design resources for EMI and RFI professionals in this post. Here’s what we’re going to cover: You asked for solutions, and we’re delivering. So let’s get started with the basics. Galvanic Corrosion—The…
Galvanic Compatibility Interactive & Chart
What metal is compatible with _____? Answer this common design engineer question fast with MAJR’s Galvanic Compatibility Interactive. Try the easy to use interactive which walks you through the process in seconds to help you identify the least corrosive metal combinations for your design.
Conductive Rubber for EMI/RFI Shielding & Environmental Protection
Conductive rubber may be one of your most valuable assets when engineering for civilian or military projects. It can help you achieve both EMI shielding and environmental protection of your application to required specifications. It can also be cut or shaped to your needs, making it very versatile. Conductive rubber could be one of those…
Environmental Considerations for EMI Shielding – A Product Selection Guide
Download this flowchart and product selection guide to assist with identifying the right EMI Shielding product for: outdoor exposure or indoor use, commercial vs military specifications, varying temperatures, NEMA or IP standards, and marine or land desert applications. This is the downloadable/printable version of our interactive guide. This tool was developed by MAJR Products V.P.…
Testing for EMC Compliance: Approaches and Techniques
Download this free technical article on EMI testing techniques and approaches to various EMC issues. Originally developed for and presented to the IEEE EMC Society, Pittsburgh Chaper by Ed Nakauchi. It looks like Javascript isn’t enabled in your browser. Please enable it in order to fill out this form.
Designing EMI Shielding For Power Generators In Challenging Environments
In this post, we’ll provide you with the resources you need for any commercial or military application that might need EMI/RFI protection for a generator.
EMI Gaskets: Die-Cut, Water Jet & Flash Cutting
EMI gaskets are used in a variety of electronic devices where EMI/RFI is an issue including communications, military electronics, and RF applications. When it comes to manufacturing EMI gaskets, there are three different methods MAJR Products uses: 1. Flash Cutting2. Water Jet3. Die-Cut Each of these three manufacturing techniques have specific benefits associated with them…
Shielded HVAC Panel Design Guide For RFI And EMI Engineers
We’re getting a lot of questions about RFI and EMI attenuation, static pressure, and airflow in HVAC air ducts that penetrate secure buildings and SCIF enclosures. Enclosures, whether they’re built for human use or sensitive electronic equipment, require openings for conditioned air to enter the space for temperature control, ventilation, or both. As we pointed…
EMF vs EMI: The Difference is a Little More Important Than One Letter
A lot of engineers use the terms interchangeably, but project success with proper electromagnetic shielding is more easily achieved with a proper definition!
MAJR’s Honeycomb Waveguides for High Reliability Requirements
As a professional, you need products that enable your operation to work correctly – from electronics to motors to EMI waveguides. When you have a situation that requires consistent air flow in an EMI/RFI shielded environment, it’s crucial to ensure that air continues to move easily through a panel while allowing for the attenuation of…
EMI Shielding Design—5 Simple Tips For EMC Professionals
Is there a process to follow when specifying EMI/RFI shielding products for electronic equipment boxes, cabinets and enclosures? At MAJR Products, we get that question from mechanical, electrical, and RF engineers all the time, especially regarding our shielded ventilation panels. This post will discuss five tips to streamline your shielded vent panel design and specification…
EMP Shielding: The Background, Need and Solutions
Definitions & Distinctions HEMP is defined as an instantaneous, intense electromagnetic pulse (EMP) field that can overload and disrupt from great distances electrical systems and microcircuits. It is generally assumed if one occurred it would be set off by a high altitude nuclear explosion; obtainable by missile flight1 or, more recently believed, from a satellite.…
MAJR Shielding Products For SCIFs | A Strategic Design Guide
What exactly are SCIFs, and why do engineers need a variety of mil-spec shielding products when designing them? SCIF’s are Sensitive Compartmented Information Facility (pronounced “skiff”), a U.S. Department of Defense term for a secure room. It can be a secure room or data center that guards against electronic surveillance and suppresses data leakage of…
MAJR Products’s Knitted Wire Mesh: The Ultimate in Engineering & Flexibility
How many times have you wished you had one material – a “go to” choice for easier product design and engineering in EMI/RFI shielding applications – that offers: That product is found in MAJR Products’ knitted wire mesh. What is MAJR’s Knitted Wire Mesh? The vast usability of the product lies in the material’s design. …
Where And How To Source Shield Seal Gaskets | RFI-EMI Shield Products
Where can engineers, designers, and technical teams go to find the technical specifications and professional assistance they need to source conductive environmental gaskets and other RFI/EMI shielding products? Depending on the application, EMI shield seal gaskets are available in various material combinations, configurations, and gasket sizes. So, where can engineers get started on their search…
Shielded Fan Vents—Why You Need Them and How To Source Them
Are you trying to spec or source EMI/RFI Shielded Fan Ventilation Panels? If so, you’ve come to the right place. But what exactly are shielded fan vent panels, and when do you need them? We provided some answers in a previous post: EMI shielded vent panels are a critical part of hardened enclosures. Honeycomb ventilation…
Shielded Metal Wire Mesh Products from MAJR Products
One common product you will find when dealing with EMI shielding is metal wire mesh. But what is metal wire mesh and what does it do? Metal wire mesh is a strand or wire knitted together creating a structure of woven and knitted shielding material. Different types of metal wire mesh include non-hardenable types, hardenable…
MAJR Products – EMI Shielding for Any Industry, Any Need, Any Time
At MAJR, we’re proud to offer our customers a complete selection of shielding products that are designed by experts and created from military grade materials. When you work with us, you’ll be able to thoroughly review a full line of EMI shielding products and services including technical information, data sheets and applications info via our…
Filter Media Options for Shielded Air Filtration Panels
Maintaining operational integrity requires a great deal of planning, research and use of reliable products that can perform to demanding industry standards. MAJR’s selection of shielded air filtration panels are available in a variety of different frame and media options to help meet your technical specifications. MAJR is one of the leaders in the EMI…
Waveguide Ventilation Panels from MAJR Products
What is a Honeycomb Waveguide Panel Shielding honeycomb waveguide panels let airflow into and out of an EMI/RFI shielded enclosure. The entering fresh air may be either cooled, heated, or at ambient temperature depending on the shielded enclosure environment and contents. For electronic equipment, the primary reason for airflow is usually to cool electronics; if…
EMI/RFI Connector Gaskets: What, Where and Why
When thinking about EMI/RFI connector gaskets, one of the best analogies might be in your own home, with water. Water can be a godsend or a curse. It needs to be contained in your plumbing system which takes it to where it is useful. But a leak within your home or from the outside elements…
EMI Shielding for 5G: It’s a Whole New World
5G (fifth generation) is the newest communication infrastructure and electronic device advancement to enable a multitude of faster, more functional, comprehensive technologies and human services available to everyone. 5G is used with mission critical communications, internet of things (IoT) and mobile broadband telecommunications. 5G Frequencies and Wavelengths The FCC recently granted 280 MHz from 3.70…
Shining a Transparent Light on EMI Shielded Windows
Wherever there is a window in a hardened enclosure, whether it’s in something as small as a handheld device or as large as a shipping container, there is the probability of EMI contamination. EMI shielded windows are designed to solve this problem. They allow for separation between the interior and exterior of a shielded unit…
EMI Vent Panels: Standard and Custom Products from MAJR
Air flow is an important part of many military electronic systems. Keeping equipment cool and air flowing is paramount to long term electronic system stability but creating openings for cooling can cause engineering issues. During design and manufacturing many electronic systems needing protection from EMI/RFI will pose a challenge that needs to be addressed around…
MAJRabsorber™: The Best High-Frequency RF Absorber Material
MAJRabsorber™: An Innovative RF Absorber Material Electromagnetic interference (EMI) is a major issue anywhere electronic circuits are found. Mitigating factors like increases in device frequency, high integration in electronic systems, higher power densities, and reductions in PCB thickness and size all contribute to EMI. Shielding electronic devices from electromagnetic noise with conductive materials, such as…
MAJR Products Ventilator Systems & Medical EMC Shielding
Ventilator Systems & Medical EMC Shielding Medical facilities are one of the epicenters of the Covid-19 pandemic. Their capacity to treat infected patients with life-saving equipment like medical respirators is vital. Severe Covid-19 patients can develop a life-threatening condition called acute respiratory distress syndrome (ARDS) that requires ventilators to deliver smaller volumes of oxygen and…
How to Use Our EMI/RFI Shielding Design Flow Chart
Once you’ve determined that your systems or components need isolation from surrounding electromagnetic fields, or to block the transmission of additional signals, designing the appropriate enclosure is crucial. Our shielding design flow chart can help designers and engineers navigate the varied types of EMI/RFI shielding materials available to choose the right materials that meet your…
EMI/RFI Shielding For Medical Device Applications
EMI / RFI Shielding For Medical Device Applications Take any average-sized hospital in the U.S. and count the number of electronic devices in use. According to the World Health Organization (WHO), that number averages over 10,000. Imagine all those separate life-saving devices – magnetic resonance imaging (MRI), computed tomography (CT or CAT), Electromyography (EMG) and…
HEMP Danger Requires EMP Shielding
Fortunately, the chance of a direct military attack on America from a foreign country is very slim. However, as we’ve seen from 9/11 and other terrorist attacks on our soil, the chance of a smaller and more terroristic threat is still very real. One of those types of attack is from a High-Altitude Electromagnetic Pulse…
Find the Right Products with Our EMC Consulting Services
Many engineers understand the basics of EMC, but those in the medical, telecom, defense, and manufacturing industries may not have the resources or personnel to fully integrate EMC into their products to meet the standards set by their industry. In response to this need, MAJR Products offers EMC consulting services to bring products from the…
IP Ratings & Conductive Rubber
Conductive rubber in any form helps defense agencies and commercial electronic product industries meet environmental and EMI/RFI emissions requirements, which is crucial to protecting the integrity of susceptible applications like HVAC systems, power and signal panels, door and panel hinges, latches and brackets, floor drains, structure seams and ISO intermodal, container brackets, antenna mounts, cable…
TEMPEST, SCIF, and Electronic Shielded Enclosures
For systems to be certified to TEMPEST (Telecommunications Electronics Material Protected from Emanating Spurious Transmissions) specific test standards need to be passed such as NSA No. 94-106 for shielded enclosures and other NSA standards depending on the intended environment and operation. The TEMPEST certified telecommunications electronic enclosure needs to be a “Faraday Cage”. A Faraday…
MAJRabsorber™ Innovation Changes RF Absorber Expectations
Every once in awhile true innovation transforms an industry. Consider what the cloud has meant for business as it brought about data storage, access and co-worker collaboration. Look at how the Internet of Things is frontiering cashierless shopping. Such champions in innovation will not only make the industry and applications they integrate with faster, easier…
EMI/RFI Wire Mesh Grounding and Conductive Elastomer Washers: Hardened Enclosure Shielding in Small Places
The smallest details are often the ones that will determine whether an EMI hardened enclosure will be compliant or will not meet EMC requirements. That’s especially true when it comes to the many bolts, screws, rods or shafts that need EMI/RFI shielding or grounding. When you have to attenuate a signal or ground components of…
Conductive Coatings for Plastic Hardened Enclosures: Getting the Job Done Quickly and Cost Effectively
There is no doubt that plastics have their design advantages when building many hardened enclosures. Plastics products in various forms, such as acrylics, ABS or structural foams, are quick and inexpensive to produce once tooling is in place and can be molded or configured in complex designs much more readily than some other substrates. But…
A Guide to EMI Shielded Ventilation Panels: Protecting Your 2nd Largest Area of Exposure in a Hardened Enclosures
Think about the need for EMI shielded ventilation panels – what they do and why you need them. Are you fully protecting that hardened enclosure with the right option? Does it measure up to standards for your civilian or military application?
Honeycomb Waveguide Panels
Honeycomb Waveguide – An Attenuation Performance Explanation of a MAJR Products Honeycomb Waveguide Panel due to the Effect of a Waveguide Beyond Cuttoff Principle What is a honeycomb Waveguide panel? A shielding honeycomb waveguide panel is a product that lets air flow into and out of an EMI/RFI shielded enclosure. The entering fresh air may…
ConnectorGasket.com: The Convenient, Quick, and Cost-Effective Way to Order Connector Gaskets Online
ConnectorGasket.com: The Convenient, Quick, and CostEffective Way to Order Connector Gaskets Online When ordering connector gaskets, military contractors and electronics, IT, andtelecommunication companies often find it challenging to find suppliers that both offer a comprehensive range of gaskets and can deliver orders within a short period of time. As a result, procurement professionals, purchasing managers,…
Shielding For RF And Microwave Applications
Understanding Shielding for RF and Microwave System Applications Any electronic device emits some level of electromagnetic radiation. Electromagnetic interference (EMI) shielding and radio frequency interference (RFI) shielding products are used when the EMI/RFI of an electronic product or system, in particular high frequency operations, necessitates attenuation of EMI/RFI to a specific level; the attenuation of…
EMI/RFI Wire Mesh Grounding Washers And Conductive Elastomer Washers
EMI/RFI Wire Mesh Grounding Washers And Conductive Elastomer Washers With expertise in EMI/RFI shielding products development to be utilized in military and commercial applications, the engineers at MAJR Products provide EMC compliance and electrical safety grounding equipment. The grounding and conductive washers produced by MAJR Products are designed and manufactured to suit the needs of…
Conductive Rubber – What It Is and Where It’s Used
CONDUCTIVE RUBBER What It Is and Where It’s Used A MAJR Products Corp. Article by Mike Oliver What is Conductive Rubber? Definition: Conductive Rubber is a generic term referring to any rubberized material with conductive properties which reduce or eliminate the EMI/RFI (electromagnetic interference and radio frequency interference) “noise” that is often associated…
Have a Question or Need a Quote?
Have a question or need additional information? Not sure where to start? The MAJR Products Team has the experience, knowledge and creativity to address all your EMI/RFI Shielding needs. Contact us today for a quote!