Advanced multi-purpose grease that is composed of synthetic PAO (polyalphaolefin) base stocks and a fumed silica thickener.LOCTITE LB 8632 is a white, opaque, advanced multi-purpose grease that is composed of synthetic PAO (polyalphaolefin) base stocks and a fumed silica thickener. It is ideal for use on food processing equipment as a lubricant and as a release agent on gaskets or seals. It also contains PTFE filler which provides excellent wear resistance under extreme loads.