RENISO ACC HV is a fully synthetic refrigeration oil based on special double end-capped polyalkylene glycol (PAG) in ISO VG 68. RENISO ACC HV was developed especially for axial piston compressors in passenger car a/c systems which require a refrigeration oil with higher viscosity. RENISO ACC HV guarantees excellent wear protection and a very high thermal and chemical stability under CO2 atmosphere. RENISO ACC HV fulfills and exceeds DIN 51503 KB. Approved by DAIMLER and SANDEN.