BARRIERTA® is Europe's oldest high-quality brand of hightemperature lubricants based on perfluorinated polyether oil (PFPE). BARRIERTA® products have been subject to constant product development over many decades so as to exploit the latest know-how available, which has made them one of the most widely used PFPE lubricant series worldwide. BARRIERTA L 55 series long-term greases offer excellent resistance to high temperature and aggressive media and at the same time compatibility with plastics and elastomers. To enable a wide variety of uses, BARRIERTA L 55 greases are available in the four NLGI classes from 0 to 3.