Specialty & Impregnated

CBRN, silver-impregnated, and ultra-purity pharmaceutical grades

Our specialty range covers engineered grades for applications not met by standard carbons: ABEK-impregnated pellets for respiratory protection cartridges and gas masks, silver-impregnated grades for bacteriostatic point-of-use water filters, and ultra-refined pharmaceutical powders with the lowest ash and leachables in our range.

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Raw material properties

Why Specialty & Impregnated?

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ABEK Impregnation

KOH, TEDA, and H₂SO₄ impregnations provide Type A, B, E, and K protection against organic vapours, acid gases, ammonia, and SO₂ per EN 14387.

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Silver Impregnation

Ag-PAC grades provide bacteriostatic action — preventing microbial growth in point-of-use filters and drinking water cartridges.

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Ultra-Purity Pharma

DL Premium and 55NS grades feature the lowest ash, lowest leachables, and tightest particle-size distribution in our range for critical pharmaceutical processes.

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CBRN Compliance

ABEK-P3 grades are supplied to cartridge manufacturers globally and tested to EN 14387 and military CBRN specification requirements.

Available grades