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Filtracarb® EXR4-D is a 4mm regenerated cylindrical carbon pellet, manufactured from coal by steam activation, which has subsequently been super-dried to reduce moisture to less than 1%, making it suitable for applications that are sensitive to moisture, e.g. biomethane purification.

The extruded activated carbon material is a porous adsorbent with a highly developed internal surface area.

  • Cost effective and environmentally friendly
  • Excellent product hardness
  • Specially dried and de-dusted product
  • Suitable for biomethane and other low-moisture applications
  • Supplied to BS EN ISO 9001:2008

Standard Specification

TypeCoal pellet
CTC% w/w min50ASTM D3467
Moisture as packed% max<1ASTM D2867
Pellet diametermm4 ± 20%Calliper

Typical Properties

Hardness% min93ASTM D3802
Bulk densityg ml-10.5 - 0.55ASTM D2854
Ash%15ASTM D3466

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