Storing Bio99
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Tuned
Joined: Oct 2009
Posts: 425
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Storing Bio99
I have no experience with Bio but am considering useing bio to add luberication to uls fuel. The only supplier in my area is inconvenient so I need to purchase a few gallons of Bio99 and store it for use as additive when fueling diesel engines with ULS. My questions #1 How long will BIO99 store in plastic containers without problems. #2 If it requires an additive to store,what is reccomended. #3 Is bio quility effected by high/low tempatures other than gelling. #4 Will freeze thaw cycles deterioate bio99? #5 Is it worth the effort to use 1% bio in addition to or instead of off the shelf additives. Thanks for any reliable information you may pass along.
Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
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From: Seattle
It depends upon how it was produced. You might want to contact the supplier/producer for their recommendations. My homebrew is consumed within 3-4 months. Batches I've had sitting longer than 4 months, particularly during the warmer summer months, begin showing signs of oxidation.
I know of no additives to prolong it's shelf life. Heat accelerates oxidation. Cold helps prolong shelf life. In fact, in the winter I take the clear portion off the top for my winter bio (lower gel point), and save the gelled portion for warmer months when it breaks. This is called cold fractioning.
Definitely worth using bio as an additive on its own or in conjunction with other additives. At levels of 2.5%-5% the lubricity gains are greater than any additive on the market.
I know of no additives to prolong it's shelf life. Heat accelerates oxidation. Cold helps prolong shelf life. In fact, in the winter I take the clear portion off the top for my winter bio (lower gel point), and save the gelled portion for warmer months when it breaks. This is called cold fractioning.
Definitely worth using bio as an additive on its own or in conjunction with other additives. At levels of 2.5%-5% the lubricity gains are greater than any additive on the market.
Elder User
Joined: Dec 2009
Posts: 864
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From: Fort Campbell, KY
The process used to make the batch, and the completeness of the reaction dictate how long before the polymerization takes place... but it will. A friend and I were experimenting with WVO and possible ways to lower it's cloud point and found that even at a concentration of 5%, Bio(xx) added to straight vegetable oil kept it liquid and cloud free... well below freezing. 
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Tuned
Joined: Oct 2009
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Thanks for the suggestions. The bio99 would be from the pump. I don't know if there is an industry standard under which it is processed. It sounds like holding it for more than 3 or 4 months could result in undesirable reactions. I am trying to get information from some additive manufactures wherether thier product will preserve bio. Of the few additives I have used , non mentioned bio. I guess to expect all ULS to become b-5 to boost the lubercation lost when new standards dried it out would make too much common sense. Any other thoughts on the storage subject?
