Electrical Insulation / Dielectric Foams and Foam Materials

11 Results
Closed-cell Polyurethane Dielectric Foam Material -- LAST-A-FOAM® RF-2203
from General Plastics Manufacturing Co.

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 optimal... [See More]

  • Features & Approvals: Electrical Insulation
  • Form / Shape: Stock Shape / Machining Grade; Slab / Block
  • Type: ClosedCell; Rigid; Foam
  • Material / Composition: Polymer / Plastic; Polyurethane
Honeycomb & High Power Absorbers
from Dexmet® Corporation, a part of PPG’s engineered materials division

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... [See More]

  • Features & Approvals: Electrical Insulation
  • Form / Shape: Stock Shape / Machining Grade; Molded, Cast or Fabricated Parts; Film / Sheet
  • Type: Foam
  • Material / Composition: Polymer / Plastic; HCGR (Graded Reflectivity), HCGI (Graded Insertion Loss), and HCUI (Uniform Insertion Loss)
Low Loss Dielectric Materials
from Dexmet® Corporation, a part of PPG’s engineered materials division

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 impedance transitions, substrates... [See More]

  • Features & Approvals: Electrical Insulation
  • Form / Shape: Stock Shape / Machining Grade; Film / Sheet
  • Type: ClosedCell (optional feature); Flexible (optional feature); Rigid (optional feature); Foam
  • Material / Composition: Polymer / Plastic
Lightweight, Closed Cell, PVDF (Polyvinylidene Fluoride) Foam -- ZOTEK® F
from Zotefoams, Inc.

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:... [See More]

  • Features & Approvals: Chemical Resistant; Electrical Insulation; Flame or Fire Retardant; Thermal Insulation
  • Form / Shape: Molded, Cast or Fabricated Parts
  • Type: ClosedCell; Foam
  • Material / Composition: Polymer / Plastic; Fluoropolymer
Eccofloat® DS-32
from Trelleborg Offshore

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. [See More]

  • Features & Approvals: Electrical Insulation
  • Form / Shape: Stock Shape / Machining Grade; Slab / Block
  • Type: ClosedCell; Rigid; Syntactic; Foam
  • Material / Composition: Ceramic; Glass Microspheres in Resin
EMI/RFI Shielded Foam
from Boyd

Seams and openings in electronic devices provide avenues for rogue energy waves to enter or exit a device, causing erratic performance. This is known as EMI (electromagnetic interference). Managing electromagnetic interference commonly includes a specialized form of EMI shielding or use of an EMI... [See More]

  • Features & Approvals: Electrical Insulation; Electrically Conductive; UL; RoHS
  • Form / Shape: Molded, Cast or Fabricated Parts
  • Type: Flexible; Rigid; Foam
  • Material / Composition: Polymer / Plastic; Elastomer
Foam In Place Rigid PU Foam -- 20-2028
from Epoxies Etc...

20-2028 is a light weight, two component, closed cell, liquid urethane foaming resin system designed for potting and encapsulating. [See More]

  • Features & Approvals: Chemical Resistant; Electrical Insulation
  • Form / Shape: Casting Resin
  • Type: ClosedCell; Rigid; Foam
  • Material / Composition: Polymer / Plastic; Elastomer; Polyurethane
Lightweight, Closed Cell, PVDF (Polyvinylidene Fluoride) Foam -- ZOTEK® F Aviation
from Zotefoams, Inc.

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. [See More]

  • Features & Approvals: Chemical Resistant; Electrical Insulation; Flame or Fire Retardant; Thermal Insulation
  • Form / Shape: Molded, Cast or Fabricated Parts
  • Type: ClosedCell; Foam
  • Material / Composition: Polymer / Plastic; Fluoropolymer
Syntac® VF-27
from Trelleborg Offshore

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 B: Hardener... [See More]

  • Features & Approvals: Electrical Insulation
  • Form / Shape: Casting Resin
  • Type: ClosedCell; Rigid; Syntactic; Foam
  • Material / Composition: Ceramic; Epoxy Resin, Polyamide, Macrospheres
Lightweight, Closed Cell, PVDF (Polyvinylidene Fluoride) Foam -- ZOTEK® F Aviation Grades
from Zotefoams, Inc.

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) [See More]

  • Features & Approvals: Chemical Resistant; Electrical Insulation; Flame or Fire Retardant; Thermal Insulation
  • Form / Shape: Molded, Cast or Fabricated Parts
  • Type: ClosedCell; Foam
  • Material / Composition: Polymer / Plastic; Fluoropolymer
Lightweight, Closed Cell, PVDF (Polyvinylidene Fluoride) Foam -- ZOTEK® F Insulation Grades
from Zotefoams, Inc.

ZOTEK ® F Insulation Construction & Electronics Grades. F35. F40 HT (High Temperature resistance up to 160 ᵒC / 320 ᵒF). F75 HT. F40 HT LS (High Temperature, Low Smoke) (listed to UL 723/ ASTM E-84 “Standard Method of Test of Surface Burning. Characteristics of Building... [See More]

  • Features & Approvals: Chemical Resistant; Electrical Insulation; Flame or Fire Retardant; Thermal Insulation
  • Form / Shape: Molded, Cast or Fabricated Parts
  • Type: ClosedCell; Foam
  • Material / Composition: Polymer / Plastic; Fluoropolymer