Biofil II0 pages

PFG700

BiofilTM II

Polyethersulphone Membrane
Cartridge Filters
A range of microbially rated cartridge filters from Porvair
Filtration Group, featuring the latest developments in membrane
technology, BiofilTM II cartridges are based on a naturally
hydrophilic polyethersulphone membrane with a mirrored
asymmetric pore structure. When combined with quality
all-polypropylene cartridge components and high integrity
manufacturing techniques common to all Porvair cartridge
filters, the polyethersulphone membrane provides a high
strength, long life cartridge of consistently precise particle
retention across a wide range of particle sizes.
BiofilTM II cartridges exploit the narrow pore size distribution and
high void volume of the media to provide a choice of cartridges
capable of meeting the requirements of most applications.
Careful media selection ensures that BiofilTM II cartridges
are also very suited to critical particle control down to 0.04
micron ratings. BiofilTM II cartridges offer high flux rates and low
differential pressures, a feature common to polyethersulphone
membranes.
BiofilTM II cartridges benefit from the low non-specific protein
binding characteristics of polyethersulphone membranes.
They are also highly resistant to integrity failure caused by
steam sterilisation and have excellent chemical compatibility
characteristics. Furthermore, since they will not hydrolyse,
BiofilTM II cartridges are ideal for use in ultra pure water supply
systems (18MΩ.cm).
As a consequence Biofil II cartridges provide a combination
of features and benefits not hitherto available from cartridges
based on PVDF, nylon, mixed esters of cellulose or polysulphone
membranes. They are suitable for applications ranging from
sterile filtration, bioburden reduction and the clarification of a
wide range of process liquids and end products.
TM

Applications
BiofilTM II cartridges are suitable for the sub-micronic filtration
of a wide range of process liquids, in applications where the
characteristics of a naturally hydrophilic membrane are required.
Typical applications include:
•t iopharmaceuticals
B
For the sub-micronic filtration of ingredients, intermediates,
make-up waters and final products, including sterilisation,
clarification and bioburden reduction.
•t
Electronics and semiconductors
For the sub-micronic filtration of process water and chemicals,
including solvents, developers and photoresists. Applications
typically include central water plant treatment and critical
‘wet bench’ point of use filtration.
•t
Fine chemicals
For the clarification and sterilisation of a wide range of process
chemicals.
•t everages
B
For the clarification and sterilisation of various beverages,
including the removal of yeast and spoilage organisms. Low
colour removal is an additional advantage.
•t
Pure water supply
For use in de-mineralised and de-ionised water treatment
systems, as either a resin trap sterilisation filter, or for bioburden
reduction.
•t
Opthalmic solutions
Shelf life assured through the non-removal of preservatives.

“Quality for Less”
World Class Filtration Solutions