L-HM Antiwear Ashless AW Zinc-free Hydraulic Oil

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Product introduction

Dongsen L-HM Ashless Zinc Free Hydraulic Oil are premium fluids formulated with solvent neutral base oils and enhanced with ashless zinc-free additives for superior power transmission and motion .our hydraulic oil is bio friendly hydraulic fluid, suitable for accidental environmental exposure.   Zinc-free (ZF) formula ideal where anti foaming hydraulic oil is necessary.  High cleanliness oil, suitable for hydraulic fluid has been designed to meet the requirements of major hydraulic pump manufacturers, and the hydraulic oil is specifically engineered for the hydraulic systems used in industrial and marine applications as well as in mobile machinery.

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  • Features
  • Technical Data Sheet
  • Application
  • Usage Notice
  • Package


Dongsen High Pressure Ashless Antiwear Hydraulic Oil L-HM is a line of premium quality anti wear lubricants blended using selected and highly refined high-quality mineral oils, combined with a non-zinc, ashless additive system and available in a wide viscosity range from ISO Grade 32 to 100.They are known as:

◎The unique zinc-free anti-wear formula effectively protects silver-containing parts and prolongs the life of the pump with silver and silver-plated parts

◎Excellent oxidation stability helps reduce maintenance downtime and costs by contributing to system cleanliness and deposit reduction, enable long oil and filter life

◎Outstanding anti-wear performance, significantly reducing the wear of machine parts extend component life and improve production capacity

◎Intentional hydrolytic stability, reducing equipment damage caused by water pollution

◎Excellent anti-foaming and air release properties, to ensure that the system is sensitive, accurate and stable to transmit static pressure energy

Technical Data Sheet

Property Typical Values
32# 46# 68# 100# Test Methods
ISO Standard 32 46 68 100
Kinematic Viscosity @40 C mm²/s 31.8 47.3 69.3 101.8 GB/T 265
Pour Point ºC -18 -18 -16 -16 GB/T 3535
Flash Point,ºC    ≥ 232 236 236 242 GB/T 3536


Dongsen L-HM Antiwear Ashless AW Zinc-free hydraulic oils have a wide range of applications across a wide variety of industrial, marine and mobile equipment.

◎Suitable for medium and high pressure hydraulic system equipment requiring zinc-free anti-wear hydraulic oil, especially precision hydraulic system with silver or copper parts

◎Severe hydraulic applications, such as in vane pumps and/or piston pumps running under high-pressure conditions..

◎Severe service hydraulic systems, employing axial and radial piston pumps, as recommended by pump manufacturers.

Usage Notice

1.According to equipment oil regulations, select products with appropriate quality and viscosity levels
2.During storage and transportation, it must be waterproof and moisture-proof to prevent mechanical impurities from mixing in
3.Keep the mailbox clean when in use, and clean the mailbox and oil circuit when changing the oil to prevent contamination
4.Do not mix products of different quality levels
5.The replaced old oil is treated centrally to avoid environmental pollution


1.20L/25L in plastic plastic pail/metal pail and other;
2.200L in metal /plastic drum ;
3.1000L  in IBC Tank;
4.All the weight can be packaged according to customer requirements;












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