Quote:
Originally Posted by barry123400
Forgot they were aluminum. Applies to only copper. Mr hunter is correct . Sorry.
Now I was wondering if copper seals could be substituted if you had them around in your toolbox. Is it a torque sealing issue with each type material? Or just an economy issue? Aluminum is far cheaper to produce seals from.
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I will use copper seal rings for a few days in an emergency, but they get replaced ASAP.
The aluminum seal rings are cheap, MB engineering/durability selected them after many millions of dollars in testing.
FYI data to consider...
Long term storage of diesel
http://amsca.com/files/Download/Fuel_news_long_term_storage_diesel.pdf
http://www.lcbamarketing.com/long_term_fuel_storage.htm
Waste vegetable oil reacts with copper to form a "greenish slime".
Material compatibility
Free fatty acids in WVO can have a serious detrimental effect on metals.
Copper and its alloys, such as brass, are affected.
Zinc and zinc-plating (galvanization) are stripped by Free fatty acids in WVO.
Tin, lead, iron, and steel are also affected.
Stainless steel and aluminum are generally unaffected.