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Re: Rubber Lubricant? [Re: pbonsalb] #4948248 12/10/18 01:54 PM
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zonarosso Offline
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Old post but came up in a 2018 search. There's a product called red rubber grease that is the stuff I've received in Brembo brake rebuild kits. Used to be made (maybe still is?) by Castrol but I found generic online. For a thinner lube I use silicone based dielectric grease. Silglyde is a little thicker, Parker O-ring lube is thicker yet. I've also used olive oil in certain applications (japanese car trunk/hatch locks where the pawl is rubber coated). The P80 line of lubes from International products is excellent but can be hard to find. They make stuff that lubes the rubber for installation and then the lube dries and promotes adhesion.

Last edited by zonarosso; 12/10/18 01:55 PM.
Re: Rubber Lubricant? [Re: MolaKule] #4954535 12/17/18 09:51 PM
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JHZR2 Offline
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Originally Posted by MolaKule
A silicone-based product like Amsoil Silicon Sray is excellent for light trim.

Westly's Black Majic, a super thick silicone fluid is probably best for tires, hoses, and heavy/thick rubber.



Those tire wet products have petroleum distillates in them.

Look at silicone brake fluid as an option.

Re: Rubber Lubricant? [Re: pbonsalb] #4954703 12/18/18 07:26 AM
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Trav Offline
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For common o rings found on injectors and hoses use WD40 for installation, to remove stuck rubber hoses just lift the edge with a pick and squirt some down the opening, twist and it will remove easily. Nothing works better.
For A/C and brake use a product specifically designed for use with these systems. I got this tip from MOOG years ago with a rubber boot fiasco.


ASE L1, Master. Deutsch Meisterbrief.
Re: Rubber Lubricant? [Re: pbonsalb] #4955051 12/18/18 01:34 PM
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nthach Offline
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For AC O-rings and compressor seals, the specified compressor oil works fine, Nylog works better as an assembly lube for HVAC seals but the benefits aren't worth the $ for it. For general purpose O-rings, depending on the system I like silicone spray, Dow 111 or motor oil/ATF to lube them. For braking O-rings, use Dow 111/silicone dielectric grease or red rubber grease(Castrol or Toyota) ONLY.

Re: Rubber Lubricant? [Re: pbonsalb] #4972283 01/07/19 01:49 PM
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Unicorn01 Offline
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Since this is back to life, it seems that there is still interest and possibly questions.
Silicone is good, unless the o-ring contains silicone as I've seen silicone rings expand when a silicone oil or grease was applied. Nyogel (https://www.nyelubricants.com/nyogel) is a rubber safe grease that has been used to protect o-rings in things like flashlights.

Re: Rubber Lubricant? [Re: pbonsalb] #4973258 01/08/19 01:53 PM
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NYEngineer Offline
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Murphy's oil soap. Been using it for years.

Re: Rubber Lubricant? [Re: pbonsalb] #4976493 01/11/19 08:58 PM
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vavavroom Offline
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Are you talking about synthetic rubber-like elastomers or natural rubber? Natural rubber can be lubricated with tallow or powdered tallow. Avoid any mineral-based lubricant on natural rubber. Synthetic rubber may be treated with silicone oil/greasel but I would use it sparingly. I have repeatedly heard that too much silicone oil/grease can damage silicone elastomers over time. Soap makes good lubricant for window molding installation with a string. Soap washed of course off, so it's not a lasting lubricant.

Re: Rubber Lubricant? [Re: FowVay] #4976496 01/11/19 09:04 PM
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vavavroom Offline
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Originally Posted by FowVay
companies such as Parker sell rubber lubricants specifically for O-rings. If you have rubber exposed to the atmosphere then plain old talcum powder is used by nearly every rubber manufacturer to prolong the life of their product while in storage.


Talcum powder is used for longterm storage of rubber parts because oxidized rubber gets sticky due to devulcanization over time and the talcum powder prevents the rubber parts from sticking, I often feel a greasy type powdered on new rubber parts and that's to the best of my knowledge powdered tallow, which serves likely doube-duty as a lubricant/conditioner and ant-stick agent.

Re: Rubber Lubricant? [Re: pbonsalb] #4976498 01/11/19 09:05 PM
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WhizkidTN Offline
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Can't you just spit on it and slide it in?

Wow, that sounded completely wrong!


His: '12 Kia Optima SX - 2.0L GDI Twin-Scroll Turbo [Tuned] (83K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (90K)
>EDGE 0W-20, Fram XG6607
Re: Rubber Lubricant? [Re: WhizkidTN] #4976501 01/11/19 09:09 PM
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BigD1 Offline
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Originally Posted by WhizkidTN
Can't you just spit on it and slide it in?

Wow, that sounded completely wrong!


LOL


1992 Toyota Pickup--Quaker State Advanced Durability 10W-30--Motorcraft 910S
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