PELCO® Activated Alumina Sorbent for Foreline Traps
The activated alumina sorbent is used in foreline traps to prevent backstreaming from rotary pumps or to shield vacuum gauges from contamination. PELCO® Activated Alumina Sorbent can be used in foreline traps from VRL, BOC-Edwards, Alcatel/Adixen, Varian, Leybold, Sargent-Welch, Ulvac and other brands. The small pores (2-50nm) and the non uniform pore distribution in the PELCO® Activated Alumina Sorbent provide the large surface area of 350 m²/gram. With this large internal surface area, the activated alumina sorbent attracts and holds gas molecules to which it is exposed. PELCO® Activated Alumina Sorbent is activated at 350°C (662°F) to less than 1% water and it is capable of holding 43% water (by weight) or in the foreline trap application, oil. The relatively uniform 1/4″ diameter size makes it ideally suited for charging perforated mesh canisters as used in foreline traps.
Also recommended for drying gases and refrigerants and for applications where extremely low dew points are desirable.
Packed in a 450ml metal can with sealed lid.
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