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BioDiesel Component Compatibility

 
 
 
 
  #1  
Old 12-28-2007, 07:36 AM
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Default 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.
 
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Old 12-28-2007, 01:04 PM
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Thanks for the info .
 
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Old 12-28-2007, 06:35 PM
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Nice! Good to know!
 
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Old 12-28-2007, 07:22 PM
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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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Old 01-03-2008, 03:02 PM
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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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Old 01-03-2008, 03:30 PM
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Originally Posted by jfoose View Post
Thanks for the info, I think I'm going to clean the fuel streak of of my rear quarter now...
Most trucks, Dodges anyway, after 2000 were painted using water-based enamel. So if I'm reading it correctly it shouldn't affect the paint on the body.
 
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Old 01-14-2008, 12:11 PM
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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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Old 01-26-2011, 09:15 PM
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Originally Posted by Raften View Post
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.
Gotch ya!
 
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Old 02-07-2011, 05:15 AM
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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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