HMT PREMIUM HYDRAULIC OIL BIODEGRADABLE 46 is a superior biodegradable hydraulic oil manufactured from natural refined rapeseed oil andfortified with proprietary additives to provide excellent anti-wear and high temperature performance. It is completely free of zinc and all other heavy metals thus avoiding environmental pollution through spillage or leakage. Biodegradability (CEC-L-33-T-82) >98%, DIN 51524 Part 3 (except D943), ISO 11158 category HV (except D943) Performance levels can be subject to change. Technical Datasheets available upon request.