The Pentagon H Series hydro system oils are highly wear and corrosion resistant.Pentagon offers the H Series hydro systems. These systems include H32, H46, H68 and H100 which are premium quality anti-wear hydraulic oils blended from highly refined base stocks. These contain a shear stable very high viscosity index which helps maintain the viscosity characteristics of the product over a wide range of temperature as well as through prolonged use.Pentagon Hydro Systems oils possess very low pour points (H32 and H46: -39 and -33; and H68 and H100: -30 and -24). Hence it can be used under very low operating temperatures. They exhibit excellent corrosion and wear protection as well as outstanding thermal and oxidation stability. In addition, they have excellent stability in the presence of water and separates rapidly from such contamination upon settling.Pentagon H Series hydro systems meet IS 11656-1986; Din 51524 part 3 and US steel 127 specification.Pentagon H Series hydro systems can be used in excavators.