In this category you will find the filter papers which are used in particular in some industries or for some restricted applications.
Usable in the food industry, the filter papers for the sugar industry offer a fast filtration of beet sugar juice for efficient saccharimetric tests or a very fast filtration for the clarification of cane sugar juice (after addition of lead acetate).
Hydrophobic thanks to a silicone impregnation, the phase separating paper is used for the separation of aqueous solutions from organic solutions.
Low nitrogen content filter papers offer a slow filtration speed and are suitable for the determination of nitrogen content in steel and iron rough, or even glycaemia according to Hadedorn-Jensen.
This embossed filter paper 75 g/m2 is ideally used for any sample preparation and for the clarification of malt analysis in breweries.
This filter paper is stained with a sulphured colouring and is used to reveal the particles of bright colours such as fluorine, silicon detection, mycelium in cultivated mushrooms, etc...
This paper contains about of 35% of high quality activated carbon and it is recommended for a use in various fields clarification and brightening of duff and dark urines in laboratory or filtration of galvanic baths, clarification of coloured liquids in industry.