By the experiences made with units installed in different working cycles, even for raw materials, that for the capacity of plants, it has been proved that this machine is the only, actually existing on the marked, that is suitable for the processing of every kind of raw material.

The pulper type HD offers main advantages, for example a low energetic cost, opening and not cutting of the fibres in the pulp, reduction of the impurities into imperceptible pieces, and wherever use of steam and chemical additives is required, pulping of the damp proof raw material of disinking.