Polyacrylonitrile (PAN) is a synthetic resin prepared by polymerization of acrylonitrile.

It belongs to the important family of acrylic resins and is a tough and rigid thermoplastic material that, resistant to most solvents and chemicals, burns slowly and has a low permeability to gases.

Fibers obtained by precision cutting in a wide range of cutting diameters and lengths are used for REINFORCEMENT in a wide variety of industrial applications. These include the manufacture of adhesives, castings, composite materials (“composites”), filters, acid battery plates, paints, paper, sealants and refractory materials.

It is considered an added-value polymer as, besides of reinforing the application where it is included, this material has intumescent behaviour (fire protective) and several studies reveal an increase of the matrix-fibre union strength compared to other traditional fibres on mortars and pavements.