Lube for rubber suspension bushings
#16
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Originally Posted by Flott Leben
Out of curiosity, what does normal grease do to rubber? Eat away at it, weaken it, cause it to lose elasticity?
How about molybdenum grease?
How about molybdenum grease?
I don't know about Moly. I suppose some non-petroleum synthetics might be OK too. You may see residue of the original grease around the upper shock bushings, as they are in a protected cavity. It's white. So, it may have been a lithium or PTFE with silicone, as silicone itself is clear. And pure silicone grease may not resist the elements as well as a mixture with something else. I see some Volvo silicone-PTFE grease that looks suitable. Brake caliper grease, as one other post suggested, appears to be silicone-based too, at least in some cases.
#17
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I'm a long time admirer of silicone.
Heat range, durability, outstanding stuff. Often the problem is how to keep it where you want it, out of where you don't, and to ultimately get rid of it.
Heat range, durability, outstanding stuff. Often the problem is how to keep it where you want it, out of where you don't, and to ultimately get rid of it.
#19
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Hi,
all greases are not the same (like, oils ain't oils) and their formulations vary from an oil (usually SAE140) or clay base through lithium, calcium and etc. Graphite, molybdenum disulphide and other EP components are often used in the mix according to the intended application. In most applications corrosion and oxidation prevention ingredients are a fundamental part of the formulation
Many greases are injurious to rubber or synthetic rubber components
Castrol's GRRB grease is a castor/bentone based product and is probably most suitable for your application
Regards
all greases are not the same (like, oils ain't oils) and their formulations vary from an oil (usually SAE140) or clay base through lithium, calcium and etc. Graphite, molybdenum disulphide and other EP components are often used in the mix according to the intended application. In most applications corrosion and oxidation prevention ingredients are a fundamental part of the formulation
Many greases are injurious to rubber or synthetic rubber components
Castrol's GRRB grease is a castor/bentone based product and is probably most suitable for your application
Regards
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Hey, Doug. That Castrol GRRB appears to be NZ-specific. I see "Castrol Red Rubber Grease" on UK eBay and it appears to be the same grease. I can't find it in the US. Thank you eBay (and Doug)!
http://cgi.ebay.com/Castrol-Red-Rubb...QQcmdZViewItem
http://cgi.ebay.com/Castrol-Red-Rubb...QQcmdZViewItem
#21
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Hi Bill,
Castrol Red Rubber Grease it sounds like GRRB in any case - I'm pleased to have helped
Castrol GRRB is available in OZ and NZ
Like oils, there is a bewildering range of greases and using the wrong one can sometimes have very costly consequences
Regards
Castrol Red Rubber Grease it sounds like GRRB in any case - I'm pleased to have helped
Castrol GRRB is available in OZ and NZ
Like oils, there is a bewildering range of greases and using the wrong one can sometimes have very costly consequences
Regards
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Originally Posted by Doug Hillary
Hi Bill,
Like oils, there is a bewildering range of greases and using the wrong one can sometimes have very costly consequences
Regards
Like oils, there is a bewildering range of greases and using the wrong one can sometimes have very costly consequences
Regards
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#24
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Yeah, but it seems the Brits, Aussies and Zealanders are much more concerned about lubricating their rubber than Americans. Most of the links lead there.
#25
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Bill,
I have some DC 111 (DC = Dow Corning)...
You can get it at Applied Industrial Technologies.. it is cheap...
http://smp.applied.com/
I used it on my cam cover gaskets... it is a good sealant too... does not cure...
They will ship... THay sell a lot of good stuff...
LO
I have some DC 111 (DC = Dow Corning)...
You can get it at Applied Industrial Technologies.. it is cheap...
http://smp.applied.com/
I used it on my cam cover gaskets... it is a good sealant too... does not cure...
They will ship... THay sell a lot of good stuff...
LO