Drefon® ST and Drefon® S - Polypropylene nonwoven geotextiles

The polypropylene nonwoven technical textiles produced by Manifattura Fontana SpA are intended for industrial uses, civil engineering works, agricultural applications.

The products under study are made of high tenacity virgin fibers in polypropylene and divided in two families: Drefon® ST (90-500 g/m2), needle-treated and thermofixed, and Drefon® S (120-2000 g/m2), needle-treated only.

Manifattura Fontana's nonwoven geotextiles are suitable for applications requiring:

Separation: they allow solving problems of mixing between layers of soil with different lithological and geo-mechanical characteristics;

Filtration: they act as a filter in all cases where it is necessary to retain particles subject to entrainment due to the action of fluids in porous media;

Protection: they protect surfaces exposed to mechanical damage;

Drainage: they allow optimizing the effectiveness of drainage systems;