SIEPEL APX
Truncated Pyramidal Absorber

MAIN CHARACTERISTICS

  • Matrix: polyurethane foam with 90% open cells
  • Impregnating agents: carbon, binder, fire retardant
  • Colours: black, white, blue, green, red (other colours upon request)
  • Paint: plastic coated for class clean rooms
  • Maximum service temperatures: – 65° C to 160° C
  • Power handling: 0.2 W/cm² max CW

SIEPEL APX Truncated Pyramidal Absorber

APX is a range of absorbers consisting of blocks of carbon-impregnated polyurethane foam in pyramid shape.

APX absorbers are suitable for microwave frequency to line anechoic or semi-anechoic chambers (for EMC measurements). This material makes it possible to obtain quiet zone in very wide frequency bands (80 MHz to 40 GHz) according to DO160 and MIL STD 461.

COMPLIANCE TO STANDARDS & DIRECTVES

Fire resistance: NRL 8093 (Test 1, 2, 3),ISO 11925-2, or DIN 4102 (class B2).

Their raw materials are compliant to RoHS/REACH and free of substances in the current list of Substances of Very High Concern (SVHC) published by the European Chemicals Agency (ECHA)

Both aqueous and plastic paint coating were developed to enable work in ISO 4 (ISO 14644-1 2015) clean room conditions.

METHOD OF USE

APX absorbers type can be fixed to all flat surfaces by means of glue or of a Velcro fastening system or auto adhesive tape. Neoprene glue is applied with a brush or a pneumatic spray gun to both faces to be glued.

Yderligere information

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SIEPEL APX Truncated Pyramidal Absorber

TRUNCATED PYRAMIDAL ABSORBER APX