BioDiesel Component Compatibility
Biodiesel and compatibility issues with fuel delivery components
I got these off a couple biodiesel sites. SAE 30R7 is the most common fuel hose SAE 30R9 is replacing those at the stores and will handle biodiesel at B20-B50 no problem. Non Compatible Materials (B100) Elastomers: Nitrile Rubber Polypropylene Polyvinyl Tygon Behavior: Elastomers not compliant may degrade, soften, swell or seep from connections. Typically this only becomes an issue in vehicles built before 1993 which have older rubber hoses. Metals: Brass Bronze Copper Lead Tin Zinc Behavior: These metals can accelerate oxidation of the fuel and create insoluble gels and sediments when exposed to Biodiesel and air. Paints: Most oil-based non enamel paint will be degraded by Biodiesel. Spills should be cleaned immediately with soap and water. Compatible Materials (B100): Elastomers: Teflon Viton EPDM Fluorinated Plastic (i.e., Fluorinated Polyethylene, Fluorinated Polypropylene) Nylon Polyethylene (HDPE) Silicone Behavior: These materials can be used to transmit and store Biodiesel, this includes “red plastic” gasoline cans, polyethylene barrels and large plastic totes. Metals: Aluminum Steel Compatibility with B20: No negative effects have been observed for elastomers and metals exposed to B20, which are compliant with petroleum diesel to begin with. Materials compatible with regular diesel should perform the same when used with B20. |
Thanks for the info .
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Nice! Good to know!
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Thanks for the info, I think I'm going to clean the fuel streak of of my rear quarter now...
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I had never given any thought to this. Good info. I will def keep it in mind.
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Originally Posted by jfoose
(Post 94365)
Thanks for the info, I think I'm going to clean the fuel streak of of my rear quarter now...
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The only fuel line I have found so far that will hold up to B100 is Parker Series 39706 Super Flex. It has a lining that does not allow the hose to bleed and soften.
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Originally Posted by Raften
(Post 103697)
The only fuel line I have found so far that will hold up to B100 is Parker Series 39706 Super Flex. It has a lining that does not allow the hose to bleed and soften.
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PA hose (Polyamid) is 100% bio resistant.
Most used (cheap) hose in europe for any bio purpose. |
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