KP-4 is a regenerated paraffinic mineral oil expressly formulated for use in the preparation of mixes in the rubber industry. It is suitable as 'extender oil' to be mixed with the polymer and the others components for the production of semi processed products or as 'process oil' to be added in the mixer to the semi processed product for the realization of the finished product. Our products have no aroma, are clean and have a high ignition point, so they are harmless to the human body and significantly lower the defect rate in product production.