Custom Aerospace, Defense & Space Material Solutions: Insulation, Shielding, Sealing, Thermal & Assembly
H-O Products converts SOLIMIDE polyimide foam, aerogel insulation, AeroZero polyimide-aerogel film (silicone-PSA films, low-outgassing acrylic grades, graphite-faced spreader films and multilayer fire-barrier laminates), conductive EMI elastomers, Nomex aramid paper, Kapton polyimide film, silicone sponge, fluorosilicone, kSil KSV-series V-0 silicone sponge, PORON microcellular urethane, SSP2390 platinum-cured silicone and low-outgassing silicone sheeting with ASTM E595 screening data, eGRAF graphite, and acrylic foam bonding tapes into die-cut insulation blankets, EMI gaskets, environmental and fuel-zone seals, thermal interface parts, cushioning, and bonding parts for aircraft, defense systems, spacecraft, and the ground equipment that serves them.
Materials are commonly evaluated to program-derived requirements, with MIL and FAR references cited by designation; made to your drawing under an ISO 9001:2015 certified quality management system in Winsted, Connecticut.
Where do you need a converted part?
Every sub-application in the Aerospace, Defense & Space vertical, each its own page with the materials, failure modes and converting detail for its job.
Thermal management · 01
Engine Bay & Nacelle Thermal Insulation
Die-cut nacelle insulation, fire barriers, and bleed-air duct insulation in SOLIMIDE, aerogel, and inorganic barrier materials.
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Thermal management · 02
Fuselage, Cabin & ECS Thermal Insulation
Fuselage insulation blankets, moisture barriers, thermal spacers, and ECS duct insulation cut to the airframe.
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Thermal management · 03
Avionics Thermal Management & Interfaces
Graphite heat spreaders, gap pads, and thermal isolation gaskets for avionics, radar, and cockpit systems.
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Thermal management · 04
Cryogenic & Space Systems Insulation
Cryogel Z feedline wraps, spacecraft thermal blankets, and MLI layer materials for launch vehicles and satellites.
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EMI & electrical · 05
EMI Shielding Gaskets for Aerospace & Defense
Conductive elastomer gaskets with MIL-DTL-83528 designations per TDS, soft conductive solid, and foil tapes for shielded seams.
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EMI & electrical · 06
Electrical Insulation for Aerospace Power
Nomex slot liners, Kapton winding insulation, mica barriers, and laminate supports for aircraft motors, generators, and power systems.
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Sealing · 07
Cabin Door & Airframe Sealing
Cabin door gaskets, window seals, access panel gaskets, and fuselage seam materials in fire-documented elastomers.
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Sealing · 08
Avionics & Electronics Enclosure Sealing
Environmental sealing, pressure venting, RF-transparent radome gaskets, and filtration for avionics enclosures.
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Sealing · 09
Fuel, Hydraulic & Chemical-Zone Sealing
Fluorosilicone sponge and sheet, FKM, and HNBR gaskets for fuel, hydraulic, de-icing, and oxygen-adjacent systems.
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Fire safety · 10
FST Compliant Materials for Aircraft
FAR 25.856 / 25.853-context insulation, fire-rated gaskets, inorganic fire barriers, and heat shields, documented per grade TDS.
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Structure & motion · 11
Vibration, NVH & Shock Isolation
Vibration isolation, shock pads, and acoustic damping for avionics racks, cabin interiors, and equipment mounts.
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Structure & motion · 12
Anti-Chafe, Wear & Structural Interface
UHMW anti-chafe pads, PTFE wear protection, laminate spacers, and galvanic isolation strips for airframes.
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Defense & space · 13
Missile, UAV & Weapons System Materials
Shock cushioning, thermal stacks, RF-transparent aperture seals, and lightweight insulation for defense hardware enclosures and airframes.
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Defense & space · 14
Spacecraft & Launch Vehicle Materials
Cryogenic insulation kits, MLI layer converting, E595-screened cushioning, and venting for satellites and launch vehicles.
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Defense & space · 15
Defense Electronics, Ground Vehicle & Naval
EMI gaskets, ingress sealing, corrosion-documented grades, FST materials, and vetronics thermal parts for platforms.
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Assembly & process · 16
Aerospace Bonding, Assembly & Adhesive Tape
LSE bonding for painted and composite faces, sensor mounting, fixturing tapes, and hot-adjacent hybrid bonds.
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Assembly & process · 17
Ground Support, Manufacturing & MRO
Protective films, PTFE process surfaces, tooling pads, and FOD-disciplined kitting dunnage for production and MRO floors.
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Advanced air mobility · 18
eVTOL & Advanced Air Mobility
Battery-module graphite heat spreading, cell-to-cell propagation barriers, dielectric TIMs, EMI gaskets, FST cabin insulation and enclosure sealing for eVTOL and AAM programs.
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Application overview
Thermal Management & Insulation
Thermal interface, heat-spreading and high-temperature insulation parts for power and battery hardware.
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Application overview
Engineered Sealing & Gasketing
Environmental, EMI and fluid gaskets cut from silicone, EPDM, sponge and foam to the sealing geometry.
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Application overview
NVH, Shock & Vibration Control
Engineered foams and isolators that manage controlled force, shock and vibration across the assembly.
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Application overview
Structural Bonding & Fastener Replacement
Acrylic foam and transfer tapes that mount, join and bond parts in place of mechanical fasteners.
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Application overview
Energy, Power & High-Voltage
Dielectric films, papers and rigid laminates that isolate busbars, windings and high-voltage interconnects.
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Engineering resources for aerospace, defense & space
Selection guides, failure-mode notes, and project work from H-O engineering, matched to the applications on this page.





Get an aerospace & defense materials quote
Send a drawing, a system-manual page, or a spec section; partial information is welcome. We typically respond within one business day with a material-family recommendation, the vendor technical data sheet behind it, a prototype lead time, and an honest note on anything that needs a listing holder or a sealant maker rather than a converter.
Send a drawing, BOM, or a description of the application and what the part must do, and an engineer responds within one business day with a material-family direction and the matching sub-application page. Program-specific documentation and compliance requirements are reviewed at quote.
Explore the material library: Foam Materials
Last updated · Reviewed by H-O Products engineering (ISO 9001:2015 certified converter, Winsted, CT).