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Clean and green: PAG base oils and selected additives for Environmentally Acceptable Lubricants (EALs) and EU Ecolabel lubricants

The awareness for more sustainable lubricants has gained momentum in the machinery industry. The global sector has grown rapidly in recent years, for two main reasons:

  • since 2013, the revised Vessel General Permit mandates the use of Environmentally Acceptable Lubricants (EALs) in oil-to-sea interfaces by all vessels entering US waters
  • in the EU, enhanced environmental awareness in many industries has brought EU Ecolabel lubricants to the forefront of attention.

Lubricants compliant with EU Ecolabel are eligible for registration as EALs. 

3 LOSS CATEGORIES FOR EU ECOLABEL LUBRICANTS 

ALL
(Accidental Loss Lubrication)
Hydraulic systems
Closed gear oils
Metalworking fluids
ALL greases
PLL
(Partial Loss Lubrication)
Two stroke oils
PLL greases
TLL
(Total Loss Lubrication)
Chainsaw oils
Concrete release agents
Wire rope lubricants
Stern tube oils
Other total loss lubricants
TLL greases
Clariant Image ILGearOils

EU Ecolabel lubricants: impressive green credentials

Clariant has much to offer formulators in this field. Polyalkylene glycols with good biodegradability can be a key component of high performing, environmentally friendly lubricants. Other typical examples of biodegradable base fluids for use in EALs are esters. While esters can perform well as lubricants, their oxidative and hydrolytic stability are usually comparatively poor. Polyalkylene glycols on the other hand do not show such drawbacks and provide the best of both worlds. Their biodegradability paves the way for use in EALs while their superior lubricating performance as well as their outstanding oxidative and hydrolytic stability allows the formulation of truly high performance lubricants.

Our Polyglykol range includes water-soluble and non-soluble PAG base oils. The grades are suitable for EU Ecolabel formulations for various applications, as they meet rigorous environmental standards. The following products are qualified

  • on the EU LuSC List (Lubricant Substance Classification list), and
  • comply with the latest EU Ecolabel requirements issued in 2018.

Base Oil

ISO VG Polyglykol
B01
Polyglykol
B11
Polyglykol
D21
not water soluble water soluble water soluble
22 B 11/15
32 B 01/20
46 B 01/40
B 11/30
68 B 11/50
100 B 01/80
B 11/70
150 B 11/100 D 21/100
220 B 11/150 K D 21/150
320 D 21/220
460 D 21/300
1000 D 21/700
Applications
Hydraulic Oil + +
Industrial Gear Oil + +
Greases (ALL, PLL, TLL) + + +
Stern Tube Oil + + +
Metal Working Fluid + +

+: preferred choice; other grades are also possible

 

Polyglykol B 11/30, for example, fits the ISO VG 46 viscosity grade. It is

  • suitable as base oils for hydraulic application,
  • has low aquatic toxicity,
  • is readily biodegradable and
  • if leaked does not form a sheen on the surface of water, thanks to its excellent solubility. 

Besides our PAG base oils we also offer additives to be used for EU Ecolabel formulations

Additives

Hostagliss L4 Emulsogen MTP 070 Genamin Gluco 50
Function acidic lubricity improver low foaming nonionic emulsifier Water soluble neutralizing agent
Applications
Greases
(ALL, PLL, TLL)
+
Metal Working Fluid + + +

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