Survivability, engineered into the material. Built to bring the asset — and the warfighter — home.
Conductive fabric is where we start: STM bonds silver to every fiber with EnCap™. Integrated systems are what we ship: that fabric engineered into the low-observable tapes and appliqués, survivability seals, fillers and shielding that go on the platform — coated, laminated, filled with radar-absorbing materials, and delivered ready to install. From fiber to finished system, one U.S. partner.
Survivability is the word our customers use for all of it: making the asset harder to find, harder to target and harder to stop. Finished, value-added systems are the largest share of what leaves our floor — flying on the most demanding programs in aerospace and defense, and working in wearables, data centers and secure facilities.
An expert answers within 48 hours · Working under ITAR? Share only what you can.
Over it: the shield concept (Vaishali, Oct 1) — the arcs from the STM mark wrapped around the asset, built as a motif in the design phase
approved artwork & language
[ next award / recognition, as cleared ]
Start with what's failing. Five problems, five solutions.
A treatment on the outer mold line, a leak at the enclosure, a wall that has to pass inspection, a sensor that has to live on a body, static you can't afford. Every problem on this list has a solution page behind it.
Installing and maintaining low-observable treatments with thick applied coatings is slow, labor-intensive and unforgiving of the environment.
An EMI leak at a seam, a gasket that gives up, a bag, case or enclosure that has to open and still shield.
Foil is a vapor barrier: moisture collects, mold follows, and a finished SCIF, data center, lab or MRI room gets reopened.
A sensor or circuit that has to stretch, breathe, touch skin — and read the same on patient 100,000 as on the prototype.
ESD events in handling, assembly and service — garments, covers and enclosures that have to dissipate and ground.
DIAGRAM — exploded stack, generic; layer thicknesses not to scale; no program-specific construction shown. [ CUSTOM GRAPHIC + ANIMATION goes here — built in the design phase to tell this story ]
Scroll-driven: as the reader scrolls, each layer expands in turn and shows what it is — adhesive → conductive fabric → elastomer → the installable system (hover also works).
The fabric is the foundation. The system is what ships.
We engineer the construction, bond the metal to the fiber, compound and fill the elastomers, laminate the adhesive, and convert it all into a system your technician installs — peel and stick, or melted in and smoothed flush. One accountable engineering relationship from the first conversation to first article, with full lot traceability behind it.
Built to survive where it's installed: temperature extremes, environmental and solvent exposure, compression and flex — characterized in our own lab, to customer requirements, before it ships.
We don't publish the chemistry or the program data. We publish the micrographs, the data sheets and the independent shielding curves.
Industries we serve.
Four industries, one encapsulated fabric. Where it goes in: on the airframe, on a body, behind the wall, inside the rack.
Low observables on the airframe, survivability on the ground, and the shielding that keeps a system working under fire.
Aerospace & Defense →Conductive textile engineered for sensing on a body — the material a wearable, biosensor or pressure-mapping device is built from.
Medical & Wearables →RF shielding installed inside the wall build-up itself — STM fabric behind the drywall doing the job foil can't do without trapping moisture.
Architectural & Secure Facilities →Rolled conductive fabric deployed at facility scale — RF blankets, barriers, harness wraps and liners, installed like material, not machinery.
Telecom & Industrial →Survivability, built into the platform. Here's where our part of it lives.
Flying on: F-35 · F-22 · Patriot · advanced long-range aircraft
Survivability is what our customers call all of it — everything that makes the asset harder to find, harder to target and harder to stop, so it comes home. Our piece is signature management at the material level: conductive ground plane, radar-absorbing materials, and the installable systems that carry them onto the outer mold line. High level by design — the details live behind an NDA, where our customers want them.
LO tape and appliqué: adhesive, conductive fabric, elastomer filled with radar-absorbing materials or neat. Conformable, peel and stick, holds up to the environment.
Fastener filler: filled thermoplastic urethane, melted directly into the fastener head area and smoothed flush with the surface. Hot melt, thermally resistant.
Survivability seals and gaskets: elastomeric seals impregnated with conductive fabric, infused with radar-absorbing materials. Compression tested, holds up to the environment.
Conductive fiber mats: metal-plated non-wovens serving as the conductive connection between panels that open and close. Conformable, reworkable, hand applied.
Conductive ground plane: any STM fabric, serving as the ground plane inside the LO system — the component every tape, appliqué and seal builds on.
- 1Seams & gaps — LO tape & appliqué
The go-to seam treatment: faster and more cost-effective to install than thick applied coatings.
- 2Fastener heads — fastener filler
Filled thermoplastic urethane, melted in and smoothed flush with the surface.
- 3Doors, hatches & bays — survivability seals & gaskets
The conventional gasket, rebuilt as a survivability seal when the EMI leak is found.
- 4Canopy & panel connections — conductive fiber mats
The electrical connection between panels that have to open, close and connect again.
- 5The ground plane — inside every system
Not a product on this page; the component the whole page is built on.
On a body, at the flex point.
Behind the wall.
Inside the rack.
It started on the F-22, where STM's fabric served as the conductive ground plane under heavily applied radar-absorbing coatings. When the F-35 moved to production, engineering needed a faster, more cost-effective way to install low observables than thick applied coatings — and the prime that knew our ground-plane work came to us. We co-developed the elastomeric seam tape, radar-absorbing materials included. Today it's the go-to seam treatment on the F-35.
On the outer mold line since F-35 program inception — doing our part to bring the warfighter home.
When a sole supplier is putting delivery or quality at risk, we work your qualification process and stand up as the second source.
Engage us before procurement is involved. We work the problem with you and qualify the technology procurement ultimately buys.
It starts with a high-level conversation. Initial response within 48 hours. No data sheets on this page by design.
The rest of the solution set — same fabric, same discipline.
Gaskets, bags, pouches, enclosures and cases — conformable conductive fabric with closures that carry current across the seam.
EMI / RFI Shielding →Breathable shielding for data centers, SCIFs, labs and MRI rooms — high attenuation with no vapor barrier behind the wall.
Architectural Shielding →Pressure mapping, wearable sensing and biosensors: 500% stretch, <1.5 Ω/sq, soft finish for extended skin contact.
Flexible Sensors & Circuits →Static dissipation and grounding built into covers, garments and enclosures.
ESD / Static Control →Most of these pages started as a custom requirement. If yours doesn't land under one of the solutions above — a market we haven't named, a construction we haven't published — bring it anyway. We're custom-engineering driven, and we'll tell you honestly what we can prove and what we can't. Custom Engineered Material Solutions →
One bond, one lab, three families — or build your own.
The bond: silver, or nickel over silver, encapsulating every fiber. The base fabric keeps its stretch, drape, tear strength and breathability. Micrographs, data sheets and curves — never the chemistry.
Hover to see the bond at 1,000× — micrograph from STM (Brian)EnCap™ Technology →Electrical, mechanical, RF (30 MHz–1.5 GHz, 2–18 GHz) and environmental characterization to ASTM methods, in-house. An independent free-space shielding curve, 2–40 GHz, on every fabric data sheet.
Material Characterization Testing →EnCap™ and material characterization testing sit behind every family below — same bond, same lab, whichever fabric you choose.
Silver tricot scrims from 0.7 oz/yd² — stretch, recovery and shielding at the lowest weight. K087S · K158S.
Conductive Knits →Rip stop and taffeta with tensile to 14,000 psi — for gaskets, enclosures and flexible circuits. W077S · W077NS · W823NS.
Conductive Wovens →Dimensionally stable, breathable, −70 dB at 1 GHz — the architectural workhorse. NPB20NS.
Conductive Non-Wovens →Base fabric, metal, weight and width can all be adjusted — and delivered coated, laminated, filled or die-cut. Tell us what the application demands.
Talk to an Expert →Images larger once the 2026 shoot is in.
Hover any family for a hint of the weeds. Want the whole thing? The full spec table — every family, every attribute — lives on the Materials page, intact. See the full table on Materials →
Proof you can put in a design review.
Most of the data that proves STM works belongs to the programs it protects. Here is the proof we own.
The record
Lockheed Martin Elite Supplier — the approved recognition, still running — as scored by the most demanding customer in aerospace.
The lab
In-house electrical, mechanical, RF and environmental characterization to ASTM methods — sheet and volume resistance, tensile, peel, tear, elongation, abrasion; RF from 30 MHz to 1.5 GHz and 2 to 18 GHz; −100°F to 500°F exposure, UV accelerated aging, elevated-temperature fluid exposure. An independent shielding curve, 2–40 GHz, on every fabric data sheet.
Material Characterization Testing →The compliance spine
- AS9100D & ISO 9001:2015, registered since 2011
- ITAR registered · EAR compliant
- Berry Amendment compliant
- DFARS · CMMC [ level to confirm ]
- All silver and nickel/silver products made in Bloomfield, Connecticut
- Export-licensed supply to allied nations
Asked before the first call.
I thought STM only made conductive fabric.
The fabric is where we start — the conductive ground plane every system is built on. Most of what leaves our floor is the engineered system: tapes, appliqués, seals, fillers and shielding, coated, laminated, filled and converted in-house, then characterized in our own lab before it ships.
What does "survivability" cover?
Everything that helps the asset and the warfighter come home: low observables on the airframe, multi-spectral signature management on vehicles and the warfighter, RF reflection for decoys, and the shielding that keeps a system working under fire. If your application protects a platform or a person, it belongs in this conversation — even if it isn't named on this site yet.
Can I just order a sample kit?
Yes — after a conversation. Tell us the application and an expert scopes the kit to it and ships it with the data sheets and shielding curves that matter for your requirement. We don't ship kits from a form; the conversation is where the value is.
Do we need an NDA, and who answers?
It starts with a high-level conversation — the 50,000-foot view of what you're doing. STM's business-development team screens every request first; if the work calls for an NDA, we put one in place before we talk specifics, and an engineer joins once the opportunity is defined. Initial response within 48 hours.
Every page carries its own questions. The full set lives in one place. All FAQs →
Bring the project, not just the question.
The more we know up front — application, environment, frequencies, quantity and timeline — the faster an expert can answer, and the faster a quote follows. Pick the lane that fits where you are.
Start with a conversation. Then we ship the kit.
The engineering sample kit comes with data sheets and independent shielding curves, scoped to your application. Tell us what you're working on; an expert puts the right materials in it and ships it. No shipping form, no queue.
Request Sample KitTalk to an expert.
Describe the application and the constraints. An STM expert responds within 48 hours, brings engineering in once the opportunity is defined, and supports qualification through first article.
Talk to an ExpertLaunchpad. Skip the line.
You know what you want and you're ready to buy. Launchpad takes your spec, drawing or RFQ straight to sales — no screening call, no samples, no waiting on an engineer.
Start a Launchpad requestAn expert answers within 48 hours, not a form letter · Working under ITAR? Share only what you can — we never ask for the platform.
More questions → FAQs+1.860.243.1122 · Fax 860.243.0848
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Solutions
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