ECCOSORB® MF-PPS

ECCOSORB MF-PPS

HIGH TEMPERATURE, MAGNETICALLY LOADED ABSORBER

Rigid, magnetically loaded, injection moldable load absorber. Typically used as attenuators and terminations in microwave transmission lines such as for waveguide, coaxial or stripline applications. Other applications include phase shifters in phased array antennas and board level absorber covers that result in EMI reduction through combination of absorption and shielding. Available in two grades or loading levels: MF-PPS-120 and MF-PPS-124. These grades pass UL94 V0 requirements.

Specific product Characteristics
Features&Benefits
  • Thermoplastic polymer amenable to injection molding processes
  • Injection molding is ideal for complex shapes and high volume applications – results in lower part cost
  • High service temperature of polymer is amenable to solder reflow processes
  • Environmentally friendly and meets RoHs and REACH requirement
  • PassesUL94V0testing
  • Low out gassing-<1.00%TMLand <0.10% CVCM
Markets
  • Telecom infrastructure and wireless networks
  • Satellite communications
  • Automotive radar
  • Military electronics
  • Industrial instrumentation
  • Medical
Material characteristics and related products
  • Rigid, magnetically loaded absorbers have cost advantage in high volume applications or for complex shapes that would otherwise be cost prohibitive as machined parts. Thermoplastic injection molded absorbers generally have low shrinkage (<0.3%). When part is complex in shape, lower MOQs can be economical to produce. DXF-drawing files are needed for optimization of mold design.
  • Eccosorb MF-PPS has equivalent magnetic and dielectric properties to comparably loaded thermoset absorbers in the Eccosorb MF, MF500F and MFS product lines. See graph below for attenuation properties of MF-PPS as a function of frequency.
Product properties
PropertiesECCOSORB MF-PPS
Density (g/cc)4.48-4.66
Tensile Strength (psi)8,000
Hardness (Shore D)92
Max Service Temperature (°C)210
Surface Resistivity (Ohm/Square) 1011
Water Absorption (%)<0.01%
Thermal Conductivity (W/m-K)1.2
Dielectric Breakdown (Volt/mil)6.2

Data for design engineer guidance only. Observed performance varies in application.
Engineers are reminded to test the material in application.
* Outgassing data per ASTM E595-07; criteria for acceptability is 1.00% TML and 0.10% CVCM.

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