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rotorwrench · 10-22-2021, 09:18 AM

According to the MSDS sheet for this product, it has no anti-foaming agents in it. It has very small amounts of Alcyl Amines and oleylamine compounds witch are surfactants and these can cause some foaming but they are in there to keep particles in suspension so it can lubricate more evenly. I have to give them credit for listing what is in there. It is a basic GL1 product.

Sta-Lube 140 MSDS will not list the additives that they use in their product but it would have the basic trade additive package as regulated by its GL4 rating with the API so a person can pretty much guess that it has mild EP sulfurous/phosphorous additives as well as corrosion inhibitors and anti-foaming agents. This is common with all GL4 related lubricants.

10-22-2021, 09:18 AM	#17
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,436	Re: Foamy Transmission Oil According to the MSDS sheet for this product, it has no anti-foaming agents in it. It has very small amounts of Alcyl Amines and oleylamine compounds witch are surfactants and these can cause some foaming but they are in there to keep particles in suspension so it can lubricate more evenly. I have to give them credit for listing what is in there. It is a basic GL1 product. Sta-Lube 140 MSDS will not list the additives that they use in their product but it would have the basic trade additive package as regulated by its GL4 rating with the API so a person can pretty much guess that it has mild EP sulfurous/phosphorous additives as well as corrosion inhibitors and anti-foaming agents. This is common with all GL4 related lubricants. Last edited by rotorwrench; 10-23-2021 at 09:51 AM.