Panolin HLP Synth is a fully synthetic, high-performance, readily biodegradable, non-toxic hydraulic fluid made from saturated esters. It is combined with high-grade additives, is zinc-free, is environmentally friendly, and is available for a wide variety of applications. It is a 100 % synthetic saturated ester hydraulic oil complying with VDMA 24568, (synthetic esters insoluble in water), and the ISO 15380 HEES classification.(ISO VG 46)