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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
- Bulk Density: 6 lbs/ft³
- Tensile Strength: 130 psi
- Thermal Conductivity: 0.24000000000000002 BTU-in/hr-ft²-F
- Form / Shape: Board / Block / Bun, Stock Shape (Bar, Sheet, etc.)
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Supplier: Accuris
Description: Polyvinyl Chloride Foam Sheet for Dielectric
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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: VOID - Dielectric Pressing Type Foam, Cotton Sheeting Backed
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Supplier: Newark, An Avnet Company
Description: ANDREW 1/4" SUPERFLEXIBLE COAX LOW LOSS FOAM DIELECTRIC
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Supplier: Newark, An Avnet Company
Description: BULK CABLE, 3/8" BRAIDED FLEX FOAM DIELECTRIC - 50 OHM PVC
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Supplier: Newark, An Avnet Company
Description: 50 OHM COAXIAL CABLE, SUPERFLEX FOAM PE DIELECTRIC STANDARD JACKET
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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.
- Bulk Density: 11 lbs/ft³
- Tensile Strength: 60 psi
- Thermal Conductivity: 0.30000000000000004 BTU-in/hr-ft²-F
- Form / Shape: Casting Resin / Two-part (A+B Liquids)
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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: Female / Jack
- Geometry: Straight
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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.
- Bulk Density: 30 lbs/ft³
- Applications: Acoustics / Sound Proofing, Buoyancy, Structural / Composites
- Type: Closed Cellular, Rigid, Syntactic
- Features & Approvals: Electrical Insulation / Dielectric
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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 cause
- Features: Electrical Insulation / Dielectric, Thermal Insulation / Fireproofing
- Material Type: Foam
- Protective Packaging / Dunnage: Foam-in-Place, Molded Packaging, Packaging Insert
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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
- Applications: EMI / RFI Shielding
- Material / Composition: Elastomer / Rubber, Plastic / Polymer
- Form / Shape: Film / Sheet, Stock Shape (Bar, Sheet, etc.)
- Type: Flexible, Open Cellular
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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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Description: Cuming Microwave manufactures a full line of low loss dielectric materials. Our materials range in dielectric constant from 1.03 to 30. These materials have unique dielectric and physical properties. Dielectric materials can be used to adjust the Q of cavities, as
- Type: Closed Cellular, Flexible, Rigid
- Features & Approvals: Electrical Insulation / Dielectric
- Form / Shape: Film / Sheet, Stock Shape (Bar, Sheet, etc.)
- Material / Composition: Plastic / Polymer
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Supplier: Boyd
Description: 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
- Applications: EMI / RFI Shielding
- Material / Composition: Elastomer / Rubber, Plastic / Polymer
- Features & Approvals: Electrical Insulation / Dielectric, Electrically Conductive, UL Approved / Listed
- Form / Shape: Fabricated Shapes / Parts (Molded, Cast)
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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: 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 (104 ohms/sq.) Non-staining, non-corrosive Closed cell --
- Maximum Dimension: 35 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
- Features: Electrical Insulation / Dielectric
- Material Type: Foam
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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-ultraviolet,
- Thickness: 0.3937007874015748 inches
- Temperature Resistance: 220 C
- Dielectric Strength: 3,582,677.1653543236 V/m
- Features: Adhesive Tape, Anti-static / ESD Control, Dielectric / Insulating, Electrical Tape, Electrically Conductive, Industrial Tape, Thermally Insulating / Insulative
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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 dependent Densisty: 2.2 lb/cu.ft. (35.2
- Maximum Dimension: 36 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
- Features: Electrical Insulation / Dielectric
- Material Type: Foam
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Supplier: SAE International
Description: This specification covers dielectrically-loaded syntactic foam tiles having a polyimide resin matrix.
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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 combustion. They are biologically inert and offer:
- Use Temperature: 320 F
- Applications: Aerospace, Architectural / Construction, Automotive / Transportation, Core Material, Medical, Packaging / Casing, Sealing / Gasketing
- Features & Approvals: Chemical / Fuel Resistant, Electrical Insulation / Dielectric, Flame Retardant, Thermal Insulation
- Type: Closed Cellular
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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.
- Maximum Dimension: 36 inch
- Protective Packaging / Dunnage: Bubble Wrap / Foam Packaging
- Features: Electrical Insulation / Dielectric
- Material Type: Foam
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Supplier: SAE International
Description: This specification covers dielectrically-loaded syntactic foam tiles having a polyimide resin matrix.
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Supplier: Saint-Gobain Tape Solutions
Description: and spotlights Commercial appliances Dielectric barriers L bar sealer Solder equipment Kitchen cabinetry lamination
- Thickness: 0.031102379 to 0.125196918 inch
- Operating Temperature: -99.4 F
- Features: Color Options
- Material: Foam, Silicone Rubber
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Supplier: Arjay Engineering
Description: Over 40 years of capactiance experience stands behind the 2852-FCM Foam Control Monitor. The sensing probe is tuned to the normal operating conditions of the gaseous or air phase in your process. The intrusion of foam around the probe will cause a capacitance change that is monitored
- Material Temperature Range: -76 to 500 F
- Features: Analog Current, Built-in Alarm / Indicator, Controller Functions, Instrument / Sensor System
- Meter Technology Type: Capacitive / RF Admittance
- Level Measurement Type: Continuous Level
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Supplier: Newark, An Avnet Company
Description: TIMES QMA NO-BRAID-TRIM ADVANTAGE MALE RIGHT ANGLE CONNECTOR FOR 1/4" LMR-240 FOAM DIELECTRIC CABLE . NO SOLDERING, CAPTIVATED CENTER PIN. CRIMP ON FERRULE WITH KNURLED COUPLING NUTS.
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Supplier: Allied Electronics, Inc.
Description: 18 AWG Size Wire, Black, Polyvinylchloride Jacket, Coaxial Cable The dielectric material is foam polyethylene The nominal impedance of the cable is 75 Ohms.
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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.
- Thermal Conductivity: 0.20191906 W/m-K
- Dielectric Strength: 390.0000000000004 kV/in
- Dielectric Constant (Relative Permittivity): 3.7
- Type: Electrical Insulation / Dielectric
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Supplier: United Bio Lube
Description: No Description Provided
- Kinematic Viscosity: 44.5 cSt
- Operating / Use Temperature: 150 to 210 F
- Viscosity Index: 201
- Composition / Chemistry: Ester / Diester, Specialty / Other, Synthetic
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Supplier: CSA Group
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: 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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Supplier: Allied Electronics, Inc.
Description: Available: Black, brown, red, orange, yellow, green, blue, violet, gray, and white. Contact your Allied sales representative for details. Construction: 28.5 AWG (0.0122" diameter) bare, solid copper center conductor, 0.056" diameter gas-injected high density polyethylene foam
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Supplier: Radwell International
Description: FOAM DIELECTRIC JUMPER, PREMIUM VSWR, 6 FEET, DIN MALE. FREE 2 YEAR RADWELL WARRANTY
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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
More Information Top
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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.