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#4782537 - 06/09/18 08:44 PM What are my options for high ester oil?
cheesepuffs Offline


Registered: 09/24/13
Posts: 582
Loc: Connecticut
Are there any off the shelf oils that contain esters right now? Any varieties of Mobil 1 or anything like that?
_________________________
2008 Honda Accord Coupe V6

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#4782558 - 06/09/18 09:10 PM Re: What are my options for high ester oil? [Re: cheesepuffs]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1263
Loc: Winchester, Indiana
Motul Sport... it's available in 5W40 and 5W50. It's pretty salty though.

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#4782564 - 06/09/18 09:22 PM Re: What are my options for high ester oil? [Re: cheesepuffs]
SR5 Online   content


Registered: 07/07/15
Posts: 4587
Loc: Down Under
I would expect some to contain a touch of ester, maybe a few % or less, but high ester oils are more rare and often boutique (expensive).

I don't know about Motul or RedLine as they are way too expensive here, but looking at the MSDS of Penrite 10-Tenths Racing that is 100% PAO & Ester, it's mostly PAO with only a small amount of ester in it.

I suspect some organic adds in oils like Magnatec are polar molecules and may be ester-like. Certainly decades ago Castrol said Magnatec contained esters in writing on their PI sheets. But this was many years and probably many formula changes ago. Nulon in Australia use PAO and Group V Alkylated Naphthalene (AN) instead of esters.

So do you want esters or Group V ?
Small amounts as an add or larger amounts as a base ?

It's not too clear cut when you look into it.
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4782578 - 06/09/18 09:54 PM Re: What are my options for high ester oil? [Re: cheesepuffs]
burla Offline


Registered: 11/07/16
Posts: 257
Loc: sonoma
Redline, you can't have a high ester content as it will eat you seals. You need a time tested balanced formula, and for me Redline is it. I've been running it in the hemi since 2010 and have been cutting my filters open for years, no issues. The only reason I didn't go with Motul was price, not local, and hard to get info (as in their website is horrible). I've paid 10 bucks a qrt for the last 6 years on ebay buy a case free ship, and nick @ gotexhaust is another great resource for cheap redline. I would email Dave from redline and ask which weights have the most ester content, I'm pretty sure he will tell you.

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#4782600 - 06/09/18 10:27 PM Re: What are my options for high ester oil? [Re: cheesepuffs]
1JZ_E46 Online   content


Registered: 04/04/16
Posts: 1339
Loc: Oregon
Top 1 Oil “Evolution” is PAO/Ester. Of course there’s always Redline or Motul 300V/Sport.

http://top1oil.com
_________________________
2007 BMW X5 4.8i, 108k: M1 10W-30 HM, Mann
2012 Mini Cooper, 48k: Castrol 0W-30, Mann (for sale)
2016 Mini Countryman S ALL4, 20k: Castrol 0W-30, Mann

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#4782658 - 06/09/18 11:47 PM Re: What are my options for high ester oil? [Re: cheesepuffs]
Marco620 Offline


Registered: 02/25/14
Posts: 2270
Loc: Kansan,1911 45ACP fan
You could add Archoil or Lubegard Biotech if you cant find a ester you like.
_________________________
2015 Civic 175k mi.0w20 Redline/Archoil9100,HPS SRI,Yokohama/Borla Exhaust/Tein Suspension/Fu7317/Redline Si-1
Go Nashville Predators!

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#4782803 - 06/10/18 07:49 AM Re: What are my options for high ester oil? [Re: cheesepuffs]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4782908 - 06/10/18 09:48 AM Re: What are my options for high ester oil? [Re: cheesepuffs]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX


Ester based oils....
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1501525

High Ester based oils
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=51664

What is better? PAO Only or Pao/Ester Oil?
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2152848

PAO vs. ESTER oils? which one is better?
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=145740

Elf Tech Team - PAO vs Ester
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=199762

Wondering about the esters used in High Mileage oils...
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=74430

PAO or Ester ?
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1864057

TBN and TAN in ester oils, excellent info!
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1583684


Esters In Synthetic Lubricants
https://www.bobistheoilguy.com/esters-in-synthetic-lubricants/
By T. G. Schaefer (Tom NJ)
In the simplest terms, esters can be defined as the reaction products of acids and alcohols. Thousands of different kinds of esters are commercially produced for a broad range of applications. Within the realm of synthetic lubrication, a relatively small but still substantial family of esters have been found to be very useful in severe environment applications. This paper shall provide a general overview of the more common esters used in synthetic lubricants and discuss their important benefits and utilities.

Esters have been used successfully in lubrication for more than 60 years and are the preferred stock in many severe applications where their benefits solve problems or bring value. For example, esters have been used exclusively in jet engine lubricants worldwide for over 50 years due to their unique combination of low temperature flowability with clean high temperature operation. Esters are also the preferred stock in the new synthetic refrigeration lubricants used with CFC replacement refrigerants. Here the combination of branching and polarity make the esters miscible with the HFC refrigerants and improves both low and high temperature performance characteristics. In automotive applications, the first qualified synthetic crankcase motor oils were based entirely on ester formulations and these products were quite successful when properly formulated. Esters have given way to PAOs in this application due to PAOs lower cost and their formulating similarities to mineral oil. Nevertheless, esters are often used in combination with PAOs in full synthetic motor oils in order to balance the effect on seals, solubilize additives, reduce volatility, and improve energy efficiency through higher lubricity. The percentage of ester used can vary anywhere from 5 to 25% depending upon the desired properties and the type of ester employed.

The new frontier for esters is the industrial marketplace where the number of products, applications, and operating conditions is enormous. In many cases, the very same equipment which operates satisfactorily on mineral oil in one plant could benefit greatly from the use of an ester lubricant in another plant where the equipment is operated under more severe conditions. This is a marketplace where old problems or new challenges can arise at any time or any location. The high performance properties and custom design versatility of esters is ideally suited to solve these problems. Ester lubricants have already captured certain niches in the industrial market such as reciprocating air compressors and high temperature industrial oven chain lubricants. When one focuses on temperature extremes and their telltale signs such as smoking and deposits, the potential applications for the problem solving ester lubricants are virtually endless.
Ester Chemistry
In many ways esters are very similar to the more commonly known and used synthetic hydrocarbons or PAOs. Like PAOs, esters are synthesized from relatively pure and simple starting materials to produce predetermined molecular structures designed specifically for high performance lubrication. Both types of synthetic basestocks are primarily branched hydrocarbons which are thermally stable, have high viscosity indices, and lack the undesirable and unstable impurities found in conventional petroleum based oils. The primary structural difference between esters and PAOs is the presence of oxygen in the hydrocarbon molecules in the form of multiple ester linkages (COOR) which impart polarity to the molecules. This polarity affects the way esters behave as lubricants in the following ways:

Volatility: The polarity of the ester molecules causes them to be attracted to one another and this intermolecular attraction requires more energy (heat) for the esters to transfer from a liquid to a gaseous state. Therefore, at a given molecular weight or viscosity, the esters will exhibit a lower vapor pressure which translates into a higher flash point and a lower rate of evaporation for the lubricant. Generally speaking, the more ester linkages in a specific ester, the higher its flash point and the lower its volatility.

Lubricity: Polarity also causes the ester molecules to be attracted to positively charged metal surfaces. As a result, the molecules tend to line up on the metal surface creating a film which requires additional energy (load) to wipe them off. The result is a stronger film which translates into higher lubricity and lower energy consumption in lubricant applications.

Detergency/Dispersency: The polar nature of esters also makes them good solvents and dispersants. This allows the esters to solubilize or disperse oil degradation by-products which might otherwise be deposited as varnish or sludge, and translates into cleaner operation and improved additive solubility in the final lubricant.

Biodegradability: While stable against oxidative and thermal breakdown, the ester linkage provides a vulnerable site for microbes to begin their work of biodegrading the ester molecule. This translates into very high biodegradability rates for ester lubricants and allows more environmentally friendly products to be formulated.

Another important difference between esters and PAOs is the incredible versatility in the design of ester molecules due to the high number of commercially available acids and alcohols from which to choose. For example, if one is seeking a 6 cSt synthetic basestock, the choices available with PAOs are a straight cut 6 cSt or a “dumbbell” blend of a lighter and heavier PAO. In either case, the properties of the resulting basestock are essentially the same. With esters, literally dozens of 6 cSt products can be designed each with a different chemical structure selected for the specific desired property. This allows the “ester engineer” to custom design the structure of the ester molecules to an optimized set of properties determined by the end customer or application. The performance properties that can be varied in ester design include viscosity, viscosity index, volatility, high temperature coking tendencies, biodegradability, lubricity, hydrolytic stability, additive solubility, and seal compatibility.

As with any product, there are also downsides to esters. The most common concern when formulating with ester basestocks is compatibility with the elastomer material used in the seals. All esters will tend to swell and soften most elastomer seals however, the degree to which they do so can be controlled through proper selection. When seal swell is desirable, such as in balancing the seal shrinkage and hardening characteristics of PAOs, more polar esters should be used such as those with lower molecular weight and/or higher number of ester linkages. When used as the exclusive basestock, the ester should be designed for compatibility with seals or the seals should be changed to those types which are more compatible with esters.

Another potential disadvantage with esters is their ability to react with water or hydrolyze under certain conditions. Generally this hydrolysis reaction requires the presence of water and heat with a relatively strong acid or base to catalyze the reaction. Since esters are usually used in very high temperature applications, high amounts of water are usually not present and hydrolysis is rarely a problem in actual use. Where the application environment may lead to hydrolysis, the ester structure can be altered to greatly improve its hydrolytic stability and additives can be selected to minimize any effects.

The following is a discussion of the structures and features of the more common ester families used in synthetic lubrication.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4782954 - 06/10/18 10:42 AM Re: What are my options for high ester oil? [Re: cheesepuffs]
1JZ_E46 Online   content


Registered: 04/04/16
Posts: 1339
Loc: Oregon
Great read, Linctex. I’ve also read (in multiple places) that due to the polarity of esters, they can affect the way high pressure additives work (zinc and phosphorous), because they “fight” for metallic surface area. In other words, esters can keep the additives from doing their job because they are attracted to the metallic surface, creating a sort of barrier blocking the Zn and P.
_________________________
2007 BMW X5 4.8i, 108k: M1 10W-30 HM, Mann
2012 Mini Cooper, 48k: Castrol 0W-30, Mann (for sale)
2016 Mini Countryman S ALL4, 20k: Castrol 0W-30, Mann

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#4783356 - 06/10/18 08:28 PM Re: What are my options for high ester oil? [Re: 1JZ_E46]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
Originally Posted By: 1JZ_E46
Great read, Linctex. I’ve also read (in multiple places) that due to the polarity of esters, they can affect the way high pressure additives work (zinc and phosphorous), because they “fight” for metallic surface area. In other words, esters can keep the additives from doing their job because they are attracted to the metallic surface, creating a sort of barrier blocking the Zn and P.


Wow, that's a pretty wild concept!
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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