Since Laird Performance Materials became part of DuPont, buyers of Laird EMI shielding — conductive elastomers, fabric-over-foam gaskets, board-level shields and Eccosorb absorbers — increasingly look for a responsive second source. 3G Shielding Specialties supplies equivalent materials across the full Laird range and backs them with a same-business-day engineering response, free 48-hour samples, and US-based manufacturing. This page cross-references the main Laird / DuPont lines to their 3G equivalents.
Consolidation into a large parent often changes how quickly a small-to-mid volume customer gets samples, quotes and engineering answers. If your Laird lead times have stretched, or a cross-reference request sits in a queue, a focused manufacturer can keep your build moving. 3G is built around exactly that: direct access to engineering, fast sampling, and no-charge cross-referencing.
Equivalents are matched by material family and function; exact spec, profile and grade are confirmed per part.
| Laird / DuPont line | Material / function | 3G Shielding equivalent |
|---|---|---|
| ECE / ELECTROSEAL (e.g. ECE93, ECE155) | Extruded & molded conductive elastomer gaskets (Ni-graphite, Ag-plated) | WaveSeal Conductive Elastomer |
| Form-in-place conductive elastomer | Dispensed FIP gaskets | WaveSeal Form-In-Place |
| Fabric-over-foam gaskets | Low-closure-force FoF EMI gaskets | WaveSeal Fabric-Over-Foam |
| Conductive fabrics & tapes | Metalized EMI textiles | WaveSeal Conductive Fabric |
| Eccosorb — cavity resonance (RF-LW, MCS, MMI) | Thin, high-loss cavity-resonance & surface-current absorbers | Wavexorb Cavity Resonance / Narrowband |
| Eccosorb — free-space & foam (AN, LS, HR) | Broadband foam & free-space absorbers | Wavexorb Broadband Foam / Surface Wave |
| Board-level shields | PCB shield cans & frames, 1- and 2-piece | 3G MetalworX — QUBE, FLEX, SWIPE, PIC-it, MULTIZONE, HYBRID, Machined |
| Thermal interface materials | Thermally conductive gap pads & sheets | Thermaworx Gap Pads & Sil-Pads |
Absorbers in particular are easy to substitute incorrectly. Replacing an Eccosorb grade means matching the dominant loss mechanism (magnetic versus dielectric), the thickness, and the frequency of peak attenuation — not just the color or feel of the sheet. For conductive elastomers it means confirming filler system, durometer, profile and MIL-DTL-83528 type. 3G engineering verifies these before releasing a Wavexorb or WaveSeal equivalent so the swap does not reopen your EMC test campaign.
Eccosorb spans very different physics under one brand, and that is where substitutions go wrong. Magnetically loaded absorbers — iron- or ferrite-filled silicone and elastomer sheets — attenuate by magnetic loss and are used thin, placed directly on a surface current or across a resonant cavity, with peak attenuation tuned to a specific frequency. Dielectrically loaded foams (carbon-loaded polyurethane) attenuate free-space energy over a broad band and are used thicker, out in the field. Replacing one type with the other by thickness alone will miss the target entirely. 3G matches a Wavexorb grade to the dominant loss mechanism, the operating frequency of peak attenuation and the installed thickness, so cavity-resonance and surface-current problems receive a Cavity Resonance, Narrowband or Surface Wave grade, and broadband enclosure or anechoic problems receive a Broadband Foam grade.
Laird’s ECE family, like any conductive elastomer, is defined by its filler. Nickel-graphite in silicone is the workhorse for aluminum enclosures because it is galvanically friendly and cost-effective; silver-plated fillers deliver higher shielding effectiveness where the design and budget can tolerate them. When 3G cross-references an ECE or ELECTROSEAL part to WaveSeal, engineering confirms the filler system, the base polymer (silicone versus fluorosilicone for fuel and solvent exposure), durometer, profile and MIL-DTL-83528 type, and checks galvanic compatibility with your flange finish and the expected environment — humidity, salt fog and temperature cycling. That verification is what keeps a swap from reopening an EMC or corrosion issue after the design is frozen.
Qualifying a second source is a risk-reduction exercise, so the evidence matters. 3G provides certificates of conformance and material traceability, and as an ITAR- and JOSCAR-registered, ISO 9001:2015 manufacturer can support defense and aerospace requalification packages directly. Many customers keep 3G on the approved-vendor list specifically as a qualified second source — to de-risk single-supplier exposure and protect their schedule against allocation, discontinuations and extended lead times after industry consolidation.
Yes. 3G Shielding’s WaveSeal conductive-elastomer line matches the extruded, molded and die-cut conductive elastomers in Laird’s ECE / ELECTROSEAL family — including nickel-graphite and silver-plated filler systems — by durometer, profile and shielding-effectiveness target rather than by trade name.
3G’s Wavexorb absorber line addresses the same problems as the Eccosorb family: cavity-resonance suppression, surface-current attenuation, narrowband tuning and broadband free-space absorption. We match by loss mechanism and the frequency of peak attenuation, so the Wavexorb grade solves the same RF/microwave issue in your enclosure or antenna.
Our US-based engineering team typically responds the same business day. Send the Laird part number, datasheet or drawing and we return a matched 3G equivalent with the relevant material spec and performance notes; cross-referencing is free of charge.
Yes — standard-material evaluation samples typically ship within 48 hours at no charge, so you can confirm fit and performance before you change your bill of materials.
Send us the competitor part number — our US engineering team returns an equivalent, usually the same business day.
Get a Cross-Reference QuoteEvaluate the equivalent on your own bench before you commit.
Request a Free 48-Hour Sample
