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LQ - Filter cardboards



Filter media made from pure cellulose and cotton linters, manufactured in a single layer, available a wide range of different  weights from 250 to 720 g/m².




Thicknesses can vary from 0,63 to 1,9 mm to satisfy the demand of several application in industrial processes.


LQ 25 – 250 g/mq  thickness 0,63 mm
Strong cardboard with fast filtration used on viscous liquids or with coarse contaminant in the sectors of resins, inks and lacquers.

LQ 34 – 340 g/mq  thickness 0,82 mm
Cardboard with good mechanical characteristics when wet,  medium velocity of filtration, suitable for aqueous  fluids in chemical, electroplating and pharmaceutical sectors, typically used to remove fine particles, residual of activated carbon and for mineral and alimentary oils.

LQ 40 – 400 g/mq  thickness 1,20 mm
Softer, faster and more porous cardboard compared to the previous one used on viscous liquids as resins and varnishes in the chemical industry and sugar solutions or oils in the food industry.

LQ 44 – 440 g/mq  thickness 1,00 mm
Specially designed for olive oil and to other edible fluids such as spirits and soft drinks. Also suitable for many other industrial applications.

LQ 47 – 470 g/mq  thickness 1,20 mm
It combines a reasonable mechanical strength  together with a  good filtration velocity. Essentially dedicated to the filtration of extra virgin oil, also successfully employed in pharmaceutical and cosmetic sectors

LQ 60 – 600 g/mq  thickness 1,60 mm
Soft and strong enough for the filtration of refined olive or vegetable oil, good also for medium viscosity liquids in the sector of paint and resins

LQ 65 – 650 g/mq  thickness 1,60 mm
Stronger and more selective than the previous one, it is used in chemical-pharmaceutical sector to capture fine particles and almost total removal of carbon powder

LQ 72 – 720 g/mq  thickness 1,90 mm
Same density of LQ 60 but higher weight and thickness, suitable for the same applications it offers a better efficiency in the range of fine particles



The contaminant capture is essentially due to the physical  interception of the particles, negligible is the absorption effect because the media does not contain diatomaceous earth. Main applications are:

Solid/liquid separation 
This is the most common application for industrial process

Liquid/liquid separation 
One of the features of cellulose is to be highly hydrophilic. The result is a dramatic retention of the water present in oily fluids whether alimentary or not.

Liquid/gas separation 
Oil and water mist capture in gas service.

Solid/gas separation 
Particles elimination from air and gas in general





Click here to download technical sheet: 
LQ - Filter cardboards

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