HAF – Used for construction of cables, conveyor belts and high quality rubber goods, in the construction of the back part of the tire.
ISAF – Rubber, production of tires used in heavy road conditions and the back part of the tire that it is in contact with the road.
FEF – Used to make extruded rubber goods, inner tube, and cable laying and wheel tire body.
GPF – Used in the production of rubber goods, inner and outer parts of bicycle tires and it use especially the car tire.