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Industrial gear oil additives

Today's industrial gear driven equipment is designed to perform in many applications, often having to withstand harsh environments. Typically, gear boxes are becoming smaller and are being made from lighter and more sophisticated materials, yet they must be more durable than ever before. As a result, greater demands are being placed upon the gear oil lubricant and greater consideration must be given to the use of high-performance base fluids and additives.

We have an extensive synthetic base oil offering based on polyalkylene glycol (PAG) and ester technologies, branded under the Emkarox™ and Priolube™ trade names. These products are designed to allow gears to operate at maximum performance levels. 

Industrial gears with gear oil to assist in lubrication

The importance of gear lubrication 

There are many technical and performance demands placed on lubricants for gears and it is critical that the correct oil is selected for use in the gear system for maximum operating efficiency and reliability.

Properties inherent to the oil such as biodegradability and renewability may be required where there are environmental considerations, moreover incidental food contact approval may be sought for certain applications. 

In gearboxes themselves the gear lubricant is expected to prevent wear and micro-pitting, perform at high operating temperatures and also on start-up after standstill as well as maintain its integrity and deliver long service life.

We can work with you to help you overcome the technical challenges and deliver solutions for your requirements. We offer both polyalkylene glycol and ester base fluids and are also able to suggest products for use in PAO/ester blends for Flender approval. The table below shows the benefits of each base fluid type.

Polyalkylene glycol (PAG) base fluids Ester base fluids PAO/ester formulations 
  • Good for energy efficiency
  • High viscosity indexes
  • Low traction co-efficients
  • Good water tolerance
  • Incidental food contact approval available
  • Low inhalation toxicity classification.
  • Environmentally acceptable lubricants
  • Excellent biodegradability
  • Low aquatic toxicity
  • Very good viscosity index
  • Incidental food contact approval available.
  • Good oxidative and hydrolytic stability
  • Good wear protection
  • Good VI
  • Good seal compatibility
  • Flender approved option available.

Flender (Siemens) approved formulations must meet a strict set of performance criteria. Our Priolube 3970 ester is approved for Flender formulations. 

REWITEC lubricant concentrates

Whether in engines, gearboxes or bearings - friction and the associated wear is unavoidable in all moving parts. But this wear can be prevented with the application of REWITEC products.

Our patented silicate additive technology increases the service life of heavy duty industrial bearings, gearboxes and engines, reducing downtime and breakdowns. The active particles use the existing lubricant as a carrier and build, through adsorption, a protective and repairing silicon-based coating in gears, bearings and combustion engines in heavy industry applications. We can reduce your operating costs by reducing your need for spare parts and servicing. 

Protect your gearboxes, bearings and combustion engines with REWITEC surface technology.

Brochure: Industrial gear oils

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Friction modifiers for industrial gear oils

Organic friction modifiers have traditionally struggled to find use in gear oils due to their tendency to promote emulsification. Perfad™ 3100 is different; an oxidative and thermally stable organic friction modifier, it can provide excellent friction reducing properties to industrial gear oils, enabling more efficient power transfer and reduced running costs, whilst having minimal impact on water entrainment.
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Recommended products

Priolube™ 3970

Priolube™ 3970

Priolube 3970 is a low viscosity oxidatively stable low deposit forming polyol ester Priolube 3970 is a high performing lubricant and as it is a polyol ester it therefore has excellent oxidative.....

Priolube™ 1973

Priolube™ 1973

Priolube 1973 is an ISO 46, oxidatively stable, biodegradable and hydrolytically stable ester, suitable for use in a wide range of automotive and industrial applications.

Priolube™ 2500

Priolube™ 2500

Priolube 2500 is a biodegradable, synthetic lubricant base fluid and is suitable for use in a wide range of applications.

Priolube™ 3999

Priolube™ 3999

Biodegradable and low volatility polyol ester suitable for use as a base fluid and an additive particularly in high temperature and environmentally acceptable applications Priolube 3999 is an NSF.....

Priolube™ 3987

Priolube™ 3987

Priolube 3987 is an ISO 150 oxidatively stable biodegradable and hydrolytically stable ester suitable for use in a wide range of automotive and industrial applications It is also OSPAR Compliant.....

Priolube™ 2087

Priolube™ 2087

ISO 320 oxidatively stable biodegradable and hydrolytically stable complex ester suitable for use as a base fluid or thickener particularly in environmentally acceptable lubricants It is also.....

Priolube™ 2088

Priolube™ 2088

An ISO 320, oxidatively stable, biodegradable and hydrolytically stable complex ester, suitable as a base fluid or thickener, particularly in environmentally acceptable lubricants.

Priolube™ 2046

Priolube™ 2046

Priolube 2046 is a high viscosity, hydrolytically stable complex ester, suitable for use as a base fluid and a thickener in a wide range of applications.

Priolube™ 1851

Priolube™ 1851

Oxidatively stable ISO 460 biodegradable complex ester suitable for use as a base fluid and thickener in a wide range of applications It is also effective as an additive to improve lubrication.....

Priolube™ 1847

Priolube™ 1847

ISO 1000 oxidatively stable biodegradable and hydrolytically stable complex ester suitable thickener and additive to improve lubrication performance in many applications It also features on the.....

Priolube™ 1929

Priolube™ 1929

A high-performance synthetic ester lubricant base fluid and additive. Priolube 1929 can be used as a thickener and as a lubricity additive in many applications.

Priolube™ 3986

Priolube™ 3986

A high viscosity complex ester suitable for use in a wide range of applications particularly as an Extreme Pressure (EP) enhancing additive a lubricity additive a thickening agent and a viscosity.....

How can we help you with your application needs?