APIEZON

OILS AND GREASES, WHOLLY OR PARTLY OF PETROLEUM ORIGIN, HAVING VERY LOW VAPOR PRESSURES FOR USE AS LUBRICANTS, SEALING MATERIALS, AND OPERATING AND WORKING FLUIDS IN HIGH VACUUM AND OTHER EQUIMENT, FOR EXAMPLE, HIGH VACUUM PUMPS USED IN THE MANUFACTURING OF ELECTRIC LIGHTING GLOBES, X-RAY EQUIPMENT, ETC.