Iso 32 hydraulic oil specs

Iso 32 hydraulic oil specs DEFAULT

Hydraulic Oil ISO 32

Hydraulic Oil 32 is exceptional quality, top achievement hydraulic oil developed to accommodated the appeal for environmentally acceptable hydraulic fluids. This product is based on synthetic, readily biodegradable esters. A high-performance, carefully selected additive package gives excellent anti-wear and extreme pressure properties as well as good thermal stability and corrosion protection. Inherently strong oxidation resistance anticipate gumming and drop accumulation at top temperatures. Because of the high natural VI of the base fluid and low pour point, the viscosity temperature behavior allows for a very wide operating temperature range.

Hydraulic Oil 32 is recommended where there could be accidental fluid loss into the environment or where surface water contamination should be avoided. Application areas cover industrial, forestry and abyssal and decidedly in adaptable equipment. This can cover decay baptize analysis plants, reservoirs, waterways, parkland, drilling, backwoods machines, dredgers, river sluices and agriculture machines, etc. On ships, applications could cover bow thrusters, , propeller systems and deck machinery.


Applications :

Hydraulic Oil 32 is also suitable for use in the power and energy industry, particularly in wind turbine applications.
There are some special handling procedures with the Hydraulic Oil series. Hydraulic Oil series is fully miscible with mineral oil based hydraulic oils, its biodegradability will be minimized if the two product types are mixed. It is always recommended to test for miscibility. Residual quantities of mineral oil should be kept at a minimum. Furthermore, paint finishes should be on 2 part epoxy system. Metals such as zinc and tin should be avoided wherever possible. The cleaning effect of these fluids can dislodge large amounts of dirt, which can shorten filter life.


Specifications :

Hydraulic Oil meets the requirements of:32
ISO L-HEES, (ISO 15380, 2011)X
Swedish Standard, SS 15 54 34 (2003)X
WGK –Non Water HazardousX


Features and Advantages :

Hydraulic Oil 32 gives wide temperature range performance. Their exceptional anti-wear, lubricity and film strength characteristics assure performance in hydraulic and circulation systems operating under moderate to severe conditions. The ready biodegradability and virtually non-toxic nature of this products makes it an excellent choice where leakage or spillage could enter environmentally sensitive areas. The inadvertent leakage of spillage of this product in environmentally sensitive areas could result in easily clean up and lower remediation costs.

Readily biodegradable hydraulic oil
Very low Water Endangering Class – NGW
Minimizes potential for environmental damage
Lowers potential remediation and clean-up costs caused by spills or leakage
Becomes an integral part of plant environmental programmes
High viscosity index and low pour pointIt Allows a wide operating temperature range
Excellent water demulsibilityAvoids deposit formation and filter plugging for enhanced equipment reliability
Outstanding corrosion protection and multi metal compatibilityIt reduces corrosion of internal system components
Will not react with steel or copper alloys
Excellent anti-wear/EP propertiesProtects system components against wear and scuffing
Gives long equipment life
Rapid air release propertiesOptimum circulation efficiency and suitability for systems even with small sumps.
Good compatibility with seals and jointsWorks good with same elastomers used with conventional mineral based oils


Technical Specifications :

Hydraulic Oil32
Colour, ISO 20491.5
Viscosity, ASTM D 445
cSt @ 40ºC32
cSt @ 100ºC7
Viscosity Index, ASTM D 2270189
Pour Point, ºC, ASTM D 97-39
Flash Point, ºC, ASTM D 92248
Density @ 15 ºC kg/l, ASTM D 4052911
FZG Scuffing, DIN 51534, A/8.3/90, Fail Stage12


Handling health & Safety :

Lubricants consisting of highly refined mineral oils with specification additives. In normal conditions of use, this lubricant presents no particular toxic hazard. All lubricants, of any kind should be handled with great care, particularly avoiding can contact with the skin.

Prevent any splashing, and keep away from combustible materials. Store under cover and away from any risk of pollution. Dispose off the used oil correctly; don’t pour down drains, into watercourses or the soil.



Product Description

Mobil™ Hydraulic AW Series oils are good quality anti-wear hydraulic oils intended for industrial and mobile service applications, subjected to moderate operating conditions and requiring anti-wear lubricants.

Products Mobil Hydraulic AW 32/46/68  meet the claim by DIN 51524-2: 2017-06 and could be used where HLP 32/HLP 46/HLP 68 hydraulic oils are required.

Features and Benefits

    •  Good anti-wear performance helps reduce pump wear and prolonging pump life

     •  Corrosion protection helps reduce the effects of moisture on system components

     •  Filterability to prevent filter blockage even in the presence of water


•  Systems using gear, vane, radial and axial piston pumps and those containing gears and bearings where mild anti-wear characteristics are required

•  Where hydraulic oil contamination or leakage is unavoidable

•  Where small amounts of water are unavoidable

Specifications and Approvals

This product meets or exceeds the requirements of:




DIN 51524-2:2017-06




Properties and Specifications






ISO 32

ISO 46

ISO 68

Copper Strip Corrosion, 3 h, 100 C, Rating, ASTM D130




Density @ 15 C, kg/l, ASTM D4052




Emulsion, Time to 3 mL Emulsion, 54 C, min, ASTM D1401




Flash Point, Cleveland Open Cup, °C, ASTM D92




Kinematic Viscosity @ 40 C, mm2/s, ASTM D445




Pour Point, °C, ASTM D97




Viscosity Index, ASTM D2270




Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

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Product Description

The CT AW Anti-Wear Hydraulic Oils are formulated from severely hydro- processed base stocks with excellent stability. They are rust and oxidation inhibited and contain a special anti-foamant that permits very rapid release of entrained air. They also contain a very effective zinc-type anti-wear agent that helps minimize wear in high pressure hydraulic systems.

Featured Benefits
  • Corrosion and wear protection for critical components
  • Oxidation stability for long service life
  • Rapid release of any entrained air
  • Resistance to sludge and varnish formation
  • Easy filterability

Denison HF-0 and HF-1 and HF-2
Cincinnati Milacron P-68 and P-69 and P-70
Vickers I-286-S and M-2950-S
U.S. Steel 126 and 127 and 136
AFNOR NFE 48-603 Part 1
DIN 51524 Part II

Typical Properties
Flash Point, PMCC400°F (204°C)
ISO Viscosity GradeISO 32
Pour Point-31°F (-35°C)
Rust Protection, ASTM 665B A&BPass
Specific Gravity0.875
Viscosity (40°C)32 cSt @ 40°C
Viscosity Index>98
ISO Oil Codes

Materials Engineering

toHydraulic oils
toProperties of fluids

(submitted by the website administration)

Hydraulic oil 32
Mineral based hydraulic oil
PropertyValue in metric unitValue in US unit
Density at 60°F (15.6°C) 0.868 *10³ kg/m³ 54.2 lb/ft³
Kinematic viscosity at 104°F (40°C) 32.2 cSt 32.2 cSt
Kinematic viscosity at 212°F (100°C) 5.52 cSt 5.52 cSt
Viscosity index 108 108
Flash point 212 ºC 414 ºF
Pour Point -33 ºC -27 ºF
Aniline Point 104 ºC 219 ºF
Color max. 2.0 max. 2.0

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32 hydraulic oil specs iso

Hydraulic 32 Hydraulic Fluid Supplier

Hydraulic 32 – ISO 32 Hydraulic Oil You Can Trust

If your business regularly uses hydraulic pumps and hydraulic systems, that calls for hydraulic oils that can be relied on. That’s why at Crown Oil, we blend Hydraulic 32 in an ISO 32 viscosity grade hydraulic fluid.

Hydraulic 32 is part of Crown Oil’s range of premium-grade mineral-based hydraulic oils with good anti-wear properties providing protection in the most demanding of systems while still meeting ISO standards for hydraulic oil. This hydraulic fluid is rust, corrosion and oxidation inhibited. Additionally, it contains an effective anti-foam additive to control foam and facilitates the rapid release of entrained air, therefore maximising hydraulic system efficiency.

To learn more about our hydraulic oils, read our in-depth guide to hydraulic fluids.

Hydraulic 32 uses

Common applications for ISO 32 hydraulic oil include:

  • Lifts
  • Forklifts
  • Agricultural machinery
  • Diggers and excavators

As a result, Crown Oil’s Hydraulic 32 is perfectly suited to the above uses.

ISO 32 hydraulic oil properties

As a hydraulic fluid, you can expect Hydraulic 32 to have the following properties:

  • Excellent anti-wear properties
  • Excellent anti-corrosion, anti-rust properties
  • Low air retention/air entrainment properties
  • Low foaming properties
  • Shear stable properties
  • Good thermal stability properties
  • Resistance to oxidation properties

Hydraulic oil 32 specifications

Hydraulic 32 has the below specifications:

  • Density (Kg/L): 0.860
  • Viscosity (cSt at 40°C): 32
  • Viscosity (cSt at 100°C): 5.3
  • VI: 115
  • Flashpoint (°C): 214
  • Pour Point (°C): -15

Hydraulic 32 delivery

At Crown Oil, we supply our ISO 32 hydraulic oil blend, Hydraulic 32, to businesses across the UK. Choose Crown Oil to be supplied with hydraulic oil that meets ISO 32 standards in deliveries of:

  • 20-litres
  • 25-litres
  • 205-litre drums

Benefits of choosing Crown Oil Hydraulic 32

There are plenty of reasons to choose Crown Oil as your supplier of ISO 32 hydraulic oil, including:

  • Nationwide delivery
  • Competitive prices
  • We can deliver same day, next day or whenever you require oil anywhere in the UK
  • Hydraulic fluids designed to perform in demanding environments

What’s more, Crown Hydraulic Oils are blended to meet the requirements of the following specifications:

  • DIN 51524 Part 2 (HLP)
  • Sperry Vickers 1-286-S
  • ISO 6743/4 (HM)
  • Afnor NF E 48-603 (HM)
  • Denison TP 02100
  • ISO 11158 (HM)
  • VDMA 24318
  • US Steel 126,127

Our other hydraulic oils

As well as Hydraulic 27, we also supply other industrial quality hydraulic oils, including:

For more information about Hydraulic 32 or for a competitively-priced hydraulic fluid quote, speak to our team by calling us on 0330 123 1444 today.

AW-32 Hydraulic Oil - 5Gal HYD OIL PRICE ($29) - AW-ISO-VG-32-10W -

Guide to Hydraulic Oil

Hydraulic oil in more detail

Hydraulic oil classification

The classifications of hydraulic oil are a subgroup of different fluids with varying performance levels. Below is a list of common hydraulic oil classifications and their respective descriptions:

  • HL – Refined mineral oils with anti-oxidation and anti-rust properties
  • HM – HL with improved anti-wear properties
  • HR – HL oils with VI improvers

For a detailed list, you can speak with our knowledgeable team by calling us on 0330 123 1444 or alternatively, you can read our explainer of Hydraulic Oil Classifications here. Find out Crown Oil’s hydraulic oil product specs here.

Hydraulic oil ratings

When an additive company sells an additive pack, they will work alongside a particular manufacturer to create a product which works perfectly with that manufacturer’s application. This will be traceable by a hydraulic oil supplier who has used the additive in the fluid. Hydraulic oil ratings or approvals are stipulated by many end users of oil to ensure they’re using the correct fluid for their equipment.

Hydraulic oil analysis

Commonly known as condition monitoring, a hydraulic oil analysis service is used by people who want the most out of their oil before they have to change it in their hydraulic application.

This works by sending a sample of the hydraulic oil to a lab which analyses the sample and reports back with details as to whether it’s good to use further or if it needs to be changed. This gives the end user reassurance that it is still usable and no damage can be done to expensive equipment due to dirty or worn oil.

Why is hydraulic oil analysis important?

The importance of oil analysis should be high on anybody’s list. Below is a list of just a few reasons why it shouldn’t be ignored and how it pays for itself many times over:

  • Reduces the cost involved in replacing the oil prematurely.
  • Minimises damage to your machinery by identifying issues early.
  • Has the potential to enhance the life and performance of machinery.
  • Reduces the risk of damage to machinery and products.
  • Reduces the risk of injury to people and further costs in claims and damages.

Hydraulic oil temperature range

Depending on the application of hydraulic fluid, it may be subject to cold or hot temperatures. In some cases, hydraulic oil can be subjected to both hot and cold temperatures which can render the oil useless if it hasn’t been blended with the right additives.

Hydraulic fluids have temperature stability which means they’ll retain their properties within a particular temperature range. Anything above or below this will negatively affect the temperature stability and cause the fluid to either wax and freeze under cold conditions or lose viscosity and potentially leak under hotter temperatures. High-heat can cause rapid deterioration of hydraulic oil.

Viscosity of hydraulic oil vs temperature

The viscosity of hydraulic oil and temperature is closely linked. As temperature increases, the viscosity of the oil will decrease – a bit like when you put cooking oil in a cold pan it moves slowly but when the pan heats up the oil moves around very quickly and with ease. As the temperature drops hydraulic oil will become more viscous.

Blenders are always trying to make hydraulic oil operate effectively over a wider range of temperatures. This means they’ll go down to low temperatures and still work as effectively as the temperature increases.

Hydraulic oil viscosity index

To measure the change in viscosity of hydraulic oil when the temperature changes, we use the oil viscosity index (VI). If a hydraulic oil has a low viscosity index, a change in temperature will alter the viscosity more than if it has a high viscosity index.

Hydraulic oil with a high VI will usually be required in an application which is subjected to a greater range of ambient and/or operating temperatures.

A straight paraffinic mineral base oil will typically produce a fluid with a low viscosity index, whereas a paraffinic mineral base with viscosity improvers will produce a fluid with a high viscosity index.

The SAE (Society of Automotive Engineers) created a classification table (VI Scale) to show low to high viscosity levels depending on temperature °C. Originally the scale only went up to 100°C but with advances in hydraulic oil blends, the scale now goes above this number!

Viscosity IndexClassification
110°C and greaterVery High

Hydraulic oil viscosity explained

Viscosity Machine

When it comes to hydraulic oils, viscosity is the measurement of its resistance to flow and it is an important property of hydraulic fluids. This means the fluid will resist compression at different rates depending on its viscosity and take longer to pass through an orifice as the viscosity increases. Hydraulic fluid with high viscosity will be thicker and harder to compress and move as opposed to low viscosity hydraulic oil which will be thinner and pass through easier.

The viscosity of a hydraulic fluid is measured in Centistokes (cSt) and usually at temperatures of 40°C or 100°C. The value will always have the temperature next to it as without this the value will be meaningless. A fluid’s viscosity is measured in a lab using a viscometer as pictured below!

Hydraulic oil viscosity is important for each different application.

The wrong viscosity could cause damage to equipment or have poor results in function.

Hydraulic oil viscosity conversion chart

Please note:

Viscosity Equivalents - Hydraulic Oil Viscosity Chart

This chart should be read across horizontally. It assumes 96 VI single grade oils. The equivalence is in terms of viscosity at 40°C only. Viscosity limits are just an approximate; for precise data then you should consult your supplier, ISO, AGMA and SAE specifications. W grades are represented only in terms of approximate 40°C viscosity. For low-temperature limits, consult SAE specifications.

Hydraulic oil grades

ISO VG – ISO Grade (where ISO is the International Standards Organisation) – the higher the VG number the more viscous the fluid is. The VG number tells you which hydraulic oil is thicker. This is sometimes referred to as the hydraulic oil weight. At the same time, grades with a W next to them indicate the weight (Unlike automobile engine oil which refers to winter oil).

AGMA Grade – American Gear Manufacturers Association – Leaders in the standards of gear oils.

SAE – Society of Automotive Engineers

In the UK, ISO VG is used mainly for grading hydraulic oil. Below is a list of common hydraulic oil ISO grades and a general guide to their applications:

%tick% ISO 100 Hydraulic Oil – ISO VG 100 Hydraulic Fluid tends to be used in industrial machinery with heavy loads.

%tick% ISO 15 Hydraulic Oil – ISO VG 15 Hydraulic Fluid is typically used in power steering and hydraulic brake systems.
%tick% ISO 22 Hydraulic Oil – ISO VG 22 Hydraulic Fluid is generally used in airlines for air tools etc.
%tick% ISO 32 Hydraulic Oil – ISO VG 32 Hydraulic Fluid is ideal for use in high-powered machine tools.
%tick% ISO 46 Hydraulic Oil – ISO VG 46 Hydraulic Fluid is normally required for industrial plant working under high-pressure etc.
%tick% ISO 68 Hydraulic Oil – ISO VG 68 Hydraulic Fluid is designed for use in systems which require a large load-carrying ability.

Please note that the above examples are just a rough guide and some grades may cross over. It is always best to check with your supplier or manufacturer!

Hydraulic oil flash point

The hydraulic oil flash point is the lowest temperature at which enough vapours are released from the fluid which can be combustible.

Hydraulic fluids play an ever-important part in commercial use, and it’s vital that you source premium quality hydraulic oil from a supplier you can trust.

So, whether you need high-quality hydraulic oil for tractor supply, construction supply or for use in any other industry, we can supply a wide range of hydraulic fluids.

If you have any further questions about hydraulic oil not answered here, our hydraulic oil experts will be happy to help you. You can contact us by calling us on 0330 123 1444 today. Of course, you can also call to discuss your own requirements and request a quote.


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