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Description: , substrates for stripline antennas, in transmission lines, smart skins, as dielectric radomes, dielectric spacers, or for circuit substrates. Products are available in rod or sheet form, pack-in-place syntactic foam, rigid foam sheet stock, or as a two-component
- Foam Type: Closed Cellular, Flexible, Rigid
- Form / Shape: Stock Shape (Bar, Sheet, etc.), Film / Sheet
- Material / Composition: Plastic / Polymer
- Special Features: Electrical Insulation / Dielectric
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Description: Cuming Microwave manufactures a family of flexible, carbon loaded, polyurethane foam microwave and radar absorbers. These are all electrically resistive materials which attenuate RF energy through ohmic loss. These carbon-based microwave absorbers such as C-RAM MT have high dielectric
- Application: EMI / RFI Shielding
- Foam Type: Open Cellular, Flexible
- Form / Shape: Stock Shape (Bar, Sheet, etc.), Film / Sheet
- Material / Composition: Plastic / Polymer, Elastomer / Rubber
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Foams and Foam Materials - Closed-cell Polyurethane Dielectric Foam Material -- LAST-A-FOAM® RF-2206Supplier: General Plastics Manufacturing Co.
Description: LAST-A-FOAM® RF-2200 is an advanced dielectric material for use in radomes, antennas and other radio frequency (RF) communication systems. This series of Machin able, closed cell polyurethane foams provide an RF-transparent, low-loss protective layer for applications requiring
- Application: Other
- Bulk Density: 6 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Stock Shape (Bar, Sheet, etc.), Board / Block / Bun
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Supplier: Boyd
Description: EMI absorber EMI SHIELDING: Boyd’s LectroShield fabric-over-foam, conductive foam, elastomers, adhesives, and metal foils are designed to manage interference energy, improving reliability and efficiency in device performance. These solutions are ideal for EMI RFI shielding applications
- Application: EMI / RFI Shielding
- Foam Type: Flexible, Rigid
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast)
- Material / Composition: Plastic / Polymer, Elastomer / Rubber
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Supplier: Trelleborg Offshore
Description: Trelleborg Emerson & Cuming, Inc. produces four different types of syntactic foams to meet the broad range of requirements of its customers. Product names reflect the density of the foam used in each material.
- Application: Acoustics / Sound Proofing, Buoyancy, Structural / Composites
- Bulk Density: 38 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Casting Resin / Two-part (A+B Liquids)
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Supplier: Shenzhen You-San Technology Co., Ltd.
Description: Silicone foam is a new type of high resilience, low density organic silicone material. It has excellent elasticity and small stress relaxation characteristics, which can reduce the maintenance cost caused by gasket failure due to large compression deformation and softening, anti
- Carrier / Backing Material: Foam, Plastic / Polymer, Silicone
- Features: Dielectric / Insulating, Electrically Conductive, Anti-static / ESD Control, Thermally Insulating / Insulative
- Temperature Resistance: 220 C
- Thickness: 0.1969 inches
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Supplier: Epoxies Etc...
Description: 20-2028 is a light weight, two component, closed cell, liquid urethane foaming resin system designed for potting and encapsulating.
- Application: Industrial OEM, Other
- Bulk Density: 11 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Casting Resin / Two-part (A+B Liquids)
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Supplier: Zotefoams, Inc.
Description: The regular cell size of AZOTE® and ZOTEK® foams makes them highly energy absorbent… ideal materials for protective packaging. They are inert, lightweight, UV stable, flexible, tough and resilient and exhibit outstanding resistance to chemicals and water. They are highly pure, will not
- Features: Electrical Insulation / Dielectric, Thermal Insulation / Fireproofing
- Material: Foam
- Protective Packaging / Dunnage: Foam-in-Place, Packaging Insert, Molded Packaging
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Supplier: ARC Technologies, Inc.
Description: ARC Technologies manufactures this thin, flexible, resonant-tuned, lightweight foam absorber. By closely controlling the dielectric properties, maximum absorption can be attained at specific frequencies. The ARC-SS series, (also known as Salisbury Screen), is based on the quarter
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Supplier: Accuris
Description: Sheet Polyvinyl Chloride Foam for Dielectric Processing
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Supplier: Accuris
Description: Dielectric Compression Bond of Polyurethane Foam
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Supplier: Accuris
Description: Polyvinyl Chloride Foam Sheet for Dielectric
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Supplier: Epoxies Etc...
Description: 20-3036 is a light weight epoxy for potting, casting, and encapsulating electronic components and assemblies. It is formulated in a convenient 2:1 by weight mix ratio.
- Application: Industrial OEM, Tooling / Modeling, Other
- Dielectric Strength: 390 kV/in
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Casting Resin / Two-part (A+B Liquids), Molding Grade Resin (Pellets)
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Supplier: Epoxies Etc...
Description: Epoxies, Etc's resins are used to protect, insulate, and conceal circuitry, components, and devices. These formulations were designed to satisfy the requirements of many demanding potting, encapsulating, and casting applications in the electronic, electrical, automotive, and aerospace industries.
- Application: Industrial OEM, Other
- Bulk Density: 2.2 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Casting Resin / Two-part (A+B Liquids)
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Supplier: All-Spec Industries
Description: The All-Spec 741-2935 is conductive polyethylene black foam. All-Spec 741-2935 Features: Foam is 1/8" thick Dimensions: 29" x 35" Crisp for pin insertion High-reliability pin insertion grade Conductive cross-linked polyethylene
- Features: Electrical Insulation / Dielectric
- Material: Foam
- Maximum Dimension: 35 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
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Supplier: Accuris
Description: VOID - Dielectric Pressing Type Foam, Cotton Sheeting Backed
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Supplier: All-Spec Industries
Description: The All-Spec 750-2436 is a permanently anti-static, closed-cell polyethylene foam. All-Spec 750-2436 Features: Anti-static additives are homogenized into the polymer during the extrusion process Made with CFC- and HCFC-free blowing process Not humidity
- Features: Electrical Insulation / Dielectric
- Material: Foam
- Maximum Dimension: 36 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
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Foams and Foam Materials - Lightweight, Closed Cell, PVDF (Polyvinylidene Fluoride) Foam -- ZOTEK® FSupplier: Zotefoams, Inc.
Description: PVDF (polyvinylidene fluoride) High performance closed cell, cross-linked fluoro-polymer foam based on fluoride. ZOTEK®? F foams are inherently flame retardant releasing very little heat and only small quantities of smoke during
- Application: Aerospace, Architectural / Construction, Automotive / Transportation, Core Material, Medical, Packaging / Casing, Sealing / Gasketing
- Foam Type: Closed Cellular
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast)
- Material / Composition: Plastic / Polymer
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Supplier: All-Spec Industries
Description: Crisp For Pin Insertion High-reliability pin insertion grade Conductive cross-linked polyethylene Non-staining, non-corrosive Closed cell - non-absorbent Specially developed to provide pin insertion properties without particulation Contains No CFCS or chemical residues Only high purity nitrogen gas
- Features: Electrical Insulation / Dielectric
- Material: Foam
- Maximum Dimension: 35 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
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Supplier: All-Spec Industries
Description: Cushioning and packaging grade Low density (SOFT) Low shedding, cross-linked urethane Non corrosive CFC FREE Nitrogen blown Black conductive: <105 ohms/sq.
- Features: Electrical Insulation / Dielectric
- Material: Foam
- Maximum Dimension: 36 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
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Supplier: Zotefoams, Inc.
Description: Flammability Performance meets stringent aviation interior flammability requirements. ZOTEK® F also meets BMS 8-371D & AIMS04-14-009. Its OSU grades meet FAR 25.853(d) and exhibit exceptionally low heat release.
- Application: Aerospace, Core Material, Sealing / Gasketing
- Foam Type: Closed Cellular
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast)
- Material / Composition: Plastic / Polymer
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Supplier: Zotefoams, Inc.
Description: ZOTEK®? F Aviation Interiors Grades OSU Flexible OSU Semi-rigid OSU Rigid ZOTEK®? F General Aviation Grades F30 BMS 8-371D; AIMS04-14-009 F38 HT BMS 8-371D; AIMS04-14-009 F74 HT ZOTEK®? F Aerospace Grades F30 (NASA) F40 HT (NASA) F75 HT (NASA)
- Application: Aerospace, Core Material, Sealing / Gasketing
- Foam Type: Closed Cellular
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast)
- Material / Composition: Plastic / Polymer
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Supplier: SAE International
Description: This specification covers dielectrically-loade d syntactic foam tiles having a polyimide resin matrix.
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Supplier: Saint-Gobain Tape Solutions
Description: /CAT scan cabinets Flood lights and spotlights Commercial appliances Dielectric barriers L bar sealer Solder equipment Kitchen cabinetry
- Features: Color Options
- Material: Foam, Silicone Rubber
- Operating Temperature: -99.4 F
- Thickness: 0.0311 to 0.2500 inch
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Supplier: Saint-Gobain Tape Solutions
Description: /CAT scan cabinets Flood lights and spotlights Commercial appliances Dielectric barriers L bar sealer Solder equipment Kitchen cabinetry lamination
- Features: Color Options
- Material: Foam, Silicone Rubber
- Operating Temperature: -99.4 F
- Thickness: 0.0311 to 0.1252 inch
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Supplier: Saint-Gobain Tape Solutions
Description: /CAT scan cabinets Flood lights and spotlights Commercial appliances Dielectric barriers L bar sealer Solder equipment Kitchen cabinetry
- Features: Color Options
- Material: Foam, Silicone Rubber
- Operating Temperature: -99.4 F
- Thickness: 0.0311 to 0.2500 inch
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Supplier: Saint-Gobain Tape Solutions
Description: /CAT scan cabinets Flood lights and spotlights Commercial appliances Dielectric barriers L bar sealer Solder equipment Kitchen cabinetry lamination
- Features: Color Options
- Material: Foam, Silicone Rubber
- Operating Temperature: -99.4 F
- Thickness: 0.0311 to 0.1252 inch
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Supplier: Karl Kruse GmbH & Co. KG
Description: Karl Kruse is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop and
- Gender: Female / Jack
- Geometry: Straight
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Supplier: Karl Kruse GmbH & Co. KG
Description: Karl Kruse is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop and
- Gender: Male / Plug
- Geometry: Straight
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Supplier: Karl Kruse GmbH & Co. KG
Description: Karl Kruse is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop and
- Gender: Male / Plug
- Geometry: Straight
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Supplier: SAE International
Description: This specification covers dielectrically-loade d syntactic foam tiles having a polyimide resin matrix.
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Supplier: Arjay Engineering
Description: unit ideal for foam suppression, interface and control. The 2852-FCM sensing probe monitors the capacitance field around the probe within a shield, tank or pipe. As the dielectric characteristics of a fluid or solid change, the resulting capacitance change is monitored and configured
- Communication Interface: Serial Interface
- Device Classification: Sensor-Only, Instrument / Sensor System
- Display: Digital Readouts
- Features: Built-in Alarm / Indicator, Controller Functions
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Supplier: Trelleborg Offshore
Description: Is a syntactic foam kit that produces a multi-sphere foam with a typical density of 26 - 29 pcf (pounds per cubic foot). The rated service depth of the foam is 3,300 feet (1,000 m). The kit consists of three parts: Part A: Epoxy resin mixed with hollow glass microspheres. Part
- Application: Acoustics / Sound Proofing, Structural / Composites, Other
- Bulk Density: 26 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Casting Resin / Two-part (A+B Liquids)
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Supplier: Trelleborg Offshore
Description: Eccofloat DS-38 is an ultra high performance syntactic foam comprised of tiny hydro-space quality hollow glass microspheres in a rigid resin matrix. The material is homogeneous in that pieces cut from a block will have the same properties as the original block.
- Application: Acoustics / Sound Proofing, Buoyancy, Structural / Composites
- Bulk Density: 36 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Stock Shape (Bar, Sheet, etc.), Board / Block / Bun
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Supplier: Trelleborg Offshore
Description: Eccofloat DS-32 is an ultra high performance syntactic foam comprised of tiny hydro-space quality hollow glass microspheres in a resin matrix. The material is homogeneous in that pieces cut from a block will have the same properties as the original block.
- Application: Acoustics / Sound Proofing, Buoyancy, Structural / Composites
- Bulk Density: 32 lbs/ft³
- Foam Type: Closed Cellular, Rigid
- Form / Shape: Stock Shape (Bar, Sheet, etc.), Board / Block / Bun
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Supplier: Karl Kruse GmbH & Co. KG
Description: Karl Kruse is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop and
- Gender: Female / Jack
- Geometry: Straight
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Description: Relates to the subfamily of coaxial cables for digital communication. Should be used together with IEC 61196-1 and IEC 61196-3. Gives subfamily requirements and severities to be applied.
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Description: Cuming Microwave manufactures a complete line of Honeycomb Absorbers. Our material systems include flat sheet as well as pyramidal honeycomb materials. Our pyramidal absorbers range in size from 4.0? to 24.0? in thickness and can be used for high power test chamber applications. Our C-RAM SFC-HC
- Application: EMI / RFI Shielding
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast), Stock Shape (Bar, Sheet, etc.), Film / Sheet
- Material / Composition: Plastic / Polymer
- Polymer / Chemical System: Specialty / Other
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Featured Products Top
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Is Polyurethane Dielectric Foam Durable Enough for Aerospace and RF Applications? In the aerospace and RF industries (read more)
Browse Electrical Insulation and Dielectric Materials Datasheets for General Plastics Manufacturing Co. -
DIELECTRIC BROCHURE DIELECTRIC MATERIALS General Plastics offers a variety of LAST-A-FOAM® (read more)
Browse Foams and Foam Materials Datasheets for General Plastics Manufacturing Co. -
Low Loss Dielectric Materials Cuming Microwave manufactures a full line of low loss dielectric materials. Our materials range in dielectric constant from 1 (read more)
Browse Foams and Foam Materials Datasheets for Dexmet® Corporation, a part of PPG’s engineered materials division -
DOWNLOAD DIELECTRIC BROCHURE LAST-A-FOAM® DIELECTRIC FOAM SERIES last-a-foam rf2200LAST-A-FOAM® RF (read more)
Browse Foams and Foam Materials Datasheets for General Plastics Manufacturing Co. -
Dexmet® Corporation, a part of PPG’s engineered materials division
Polyurethane foam microwave and radar absorbers
Foam Absorbers Cuming Microwave manufactures a family of flexible, carbon loaded, polyurethane foam microwave and radar absorbers. These are all electrically resistive (read more)
Browse Foams and Foam Materials Datasheets for Dexmet® Corporation, a part of PPG’s engineered materials division -
How is Aerospace Polyurethane Foam Applied? Aerospace polyurethane foam is an important component in modern aerospace (read more)
Browse Protective Liners and Lining Systems Datasheets for General Plastics Manufacturing Co. -
LAST-A-FOAM® FR-3700 Performance Core Last-A-FoamFR-3700 is a CFC-free, rigid, closed-cell, flame-retardant polyurethane foam available in densities ranging from 3 to 40 pounds per cubic foot. It exhibits a (read more)
Browse Foams and Foam Materials Datasheets for General Plastics Manufacturing Co. -
Product Features Crush-resistant foamed PTFE tape. Using for primary purposes Insulators for coaxial cables Dielectric of twinax cable Probe cable suppression winding (read more)
Browse Foam Bonding Tapes Datasheets for Oak-Trees, Inc. -
Product Features Crush-resistant foamed PTFE tape. Using for primary purposes Insulators for coaxial cables Dielectric of twinax cable Probe cable suppression winding (read more)
Browse Foam Bonding Tapes Datasheets for Oak-Trees, Inc. -
Product Features Crush-resistant foamed PTFE tape. Using for primary purposes Insulators for coaxial cables Dielectric of twinax cable Probe cable suppression winding (read more)
Browse Foam Bonding Tapes Datasheets for Oak-Trees, Inc.
Conduct Research Top
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Dielectric Materials for Use in Radomes
Polyurethane Foam: Dielectric Materials for Use in Radomes and Other Applications. Many polyurethane foams offer a wide variety of physical properties, as well as desirable dielectric properties for applications requiring minimal dielectric constant and loss tangent. In many such applications
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Velocity Factor in Cables
entirely caused by the dielectric material-in coaxial cables, the insulation between the shield and the center conductor. For a closed-cell foam dielectric, for example, the VOP may approach 90%, meaning that a signal will travel at 90% of the speed of light. For solid Teflon (R), the VOP is typically
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Chemical the constant volume has - the special: Chemical Dossier has the constant volume | Techniques of the Ingénieur
' a polyester (B) foam; measures is taken (the volumique mass in the tube of impedance... at chemicals Fonction of the chemical structure: the polyether foams are etched... Factor specific (Ω.cm) of dielectric loss (tan δ) dielectric Constante Mousse polyether, mass .
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Special foam polyether-Dossier: Foam polyether | Techniques of the Ingénieur
Represented the sound absorption of a polyether (A) foam and d Factor specific of dielectric loss dielectric Constante Mousse polyether, mass in the figure " Comportement (Ω.cm) (tan δ)...
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Dielectrique component - special Dossier: Dielectrique component | Techniques of the Ingénieur
The curve... Factor specific (Ω.cm) of dielectric loss (tan δ) dielectric Constante Mousse polyether, mass .
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Microwave Horns and Feeds
The ability to mould dielectric foams to the required shapes should mean that batch fabrication is possible.
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Dielectric behavior of polystyrene foam at microwave frequency
It may be concluded that (i)low-loss dielectric foams suitable for microwave applications are possible to be made from polystyrene by the process described here and (ii) this detailed study of the dielectric behavior of the foams of various compositions …
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Metallized foams for fractal-shaped microstrip antennas
To get this metallization, a patented technology able to lay down metal on dielectric foam substrate, is used [2, 3].
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Metallized 3D foam technology: a well-suited solution for high performance, low-cost, CM-wave and MM-wave system integration
Based on this approach, several substrates from dielectric foam may be also simply stacked, which contributes to widening the frequency band of the antenna, as shown in Figure 15-h.
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Modern Antenna Handbook Complete Document
For cavities filled with air or low- dielectric foams , the antenna thickness will be approximately λ/12 at the lowest frequency.