Polywater® Lubricant F is a high performance, pourable liquid lubricant recommended for long, difficult, lightguide cable pulls. It is slow drying and leaves a lubricating film after its waterbase has evaporated. Polywater® Lubricant F will not stress crack low density polyethylene. It is compatible with all common* types of cable jackets. Polywater® Lubricant WF (winter grade) has the same characteristics as Polywater® Lubricant F and is specially formulated for use in temperatures as low as -20°F (-30°C).