I started selling POEs to Red Line when they first started up back in 1979 and we continued to sell them until I retired from Hatco in 2007. They may have bought some from other suppliers during that time as well. I don't know where they buy these days under their new management.
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Informacje na temat estrow oraz ogolna wiedza - Na pytania odpowie Thomas Schaefer (TomNJ)
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And at what concentration did they use these POEs in engine oils? It is believed that there is / was ca. 15% to even 20%. Do you know ?
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What information do you have on nitrogen and oxygen in lubricants?
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I have recently read about calcium sulphonates and usage in gearbox oils. Sulphonates can also be esters if I good recal basic chemistry from school 
, is it possible to use them as additive for gearbox oils? Or are those articles just hoax? I saw analysis of some Redline gearbox oils with lots of calcium in them and after some digging found texts about SP. Can you shed some light on this?
, is it possible to use them as additive for gearbox oils? Or are those articles just hoax? I saw analysis of some Redline gearbox oils with lots of calcium in them and after some digging found texts about SP. Can you shed some light on this?Not sure what you mean. Nitrogen and Oxygen can come from many sources.
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Sorry, I never formulated gearbox oils.I have recently read about calcium sulphonates and usage in gearbox oils. Sulphonates can also be esters if I good recal basic chemistry from school
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I mean with dispersants, AOs also contain a polar group in the form of N, as far as I know. But I didn't get too deep into the subject. It also raises the TBN.
Dispersants contain nitrogen and oxygen as part of their polar head. These elements are essential to the function of dispersants. Aminic type AOs contain nitrogen while phenolic types contain oxygen.
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Do you have any experience with MSDS? Productions do not want to disclose the formulation for obvious reasons, but some chemical compounds due to toxicity should be mentioned in this document. For example:
My intuition tells me to take this lower value into account. Could it be 10 or 30%?
My intuition tells me to take this lower value into account. Could it be 10 or 30%?
I expect that companies will bracket the typical percentage on an MSDS to allow for batch to batch variations, especially if the same MSDS is being used for different viscosity grades. So if this MSDS is for one viscosity grade I would expect the formulation to have around 20% PAO. If this MSDS is being used for several viscosity grades then the PAO percentage could range between 10% and 30% depending on the grade.
Yes, in lubricants it is used as a yellow metal inhibitor, but due to its rich reddish-orange color it is also apparently used as a dye in some applications. We knew it as Quinizarin and used it at a very low dose in some early jet engine oils back in the 1960s.
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Do you have any experience with removing various types of deposits, including varnish?
No first hand experience. I stopped taking engines apart over 40 years ago. I have been using only synthetic oils for 48 years and never noticed any deposits, but then I am not really looking, except through the oil fill hole. My engines have always outlasted my cars.
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Thanks! And Happy New Year to all![USER = 1304] @TomNJ [/ USER], happy new year!
I did those videos in 2012 for the Petroleum Quality Institute of America (PQIA) when I was chairman of their Advisory Board. PQIA purchases bottles of motor oil, ATF, and antifreeze from retail shelves across the USA and has them analyzed to see if the product in the bottle is consistent with its labeled claims. They are a great organization and have found dozens of brands of oil that are off specification, and many that are so bad that they will cause damage to car engines. You can see their VOAs at www.pqia.org.
The bad oils are listed here: PQIA
Re the Mobil Jet II UOA, the results for Zn, P, Ca, Mg, and B indicate the oil contains about 25% of the motor oil last used. This contamination is likely helping with the UOA. Jet engine oils have no detergents, dispersants, anti-rust, or EP additives, and the ester (5 cSt pentaerythritol type) can swell and soften seals. They are not designed for internal combustion engines and their use over time can lead to excess wear, sludge, rust, and seal deterioration. Such experiments are very risky and UOAs do not show everything. I just made a post in that thread.
Re the Mobil Jet II UOA, the results for Zn, P, Ca, Mg, and B indicate the oil contains about 25% of the motor oil last used. This contamination is likely helping with the UOA. Jet engine oils have no detergents, dispersants, anti-rust, or EP additives, and the ester (5 cSt pentaerythritol type) can swell and soften seals. They are not designed for internal combustion engines and their use over time can lead to excess wear, sludge, rust, and seal deterioration. Such experiments are very risky and UOAs do not show everything. I just made a post in that thread.
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I didn't know you could estimate HTHS with KV 40 ° C and 100 ° C ?
What is your opinion on theUOV? There is a belief on forums that motor oils can be classified in this way. In my opinion, such oil analyzes are suitable for determining the optimal oil change intervals or preventing possible engine failures.
What is your opinion on the
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