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Re: Rubber Lubricant? [Re: pbonsalb] #4948248
12/10/18 01:54 PM
12/10/18 01:54 PM
Joined: Nov 2013
Posts: 1
wisconsin
zonarosso Offline
zonarosso  Offline

Joined: Nov 2013
Posts: 1
wisconsin
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
12/17/18 09:51 PM
Joined: Dec 2002
Posts: 42,625
New Jersey
JHZR2 Offline
Global Moderator
JHZR2  Offline
Global Moderator

Joined: Dec 2002
Posts: 42,625
New Jersey
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
12/18/18 07:26 AM
Joined: Nov 2006
Posts: 21,243
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,243
MA, Mittelfranken.de
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
12/18/18 01:34 PM
Joined: Jan 2004
Posts: 4,987
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 4,987
California
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
01/07/19 01:49 PM
Joined: Jun 2012
Posts: 49
W. WA (too close to Seattle)
Unicorn01 Offline
Unicorn01  Offline

Joined: Jun 2012
Posts: 49
W. WA (too close to Seattle)
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
01/08/19 01:53 PM
Joined: Dec 2006
Posts: 1,849
NY, NY
NYEngineer Offline
NYEngineer  Offline

Joined: Dec 2006
Posts: 1,849
NY, NY
Murphy's oil soap. Been using it for years.

Re: Rubber Lubricant? [Re: pbonsalb] #4976493
01/11/19 08:58 PM
01/11/19 08:58 PM
Joined: Oct 2017
Posts: 412
California
vavavroom Offline
vavavroom  Offline

Joined: Oct 2017
Posts: 412
California
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
01/11/19 09:04 PM
Joined: Oct 2017
Posts: 412
California
vavavroom Offline
vavavroom  Offline

Joined: Oct 2017
Posts: 412
California
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
01/11/19 09:05 PM
Joined: Dec 2016
Posts: 584
E. Tennessee
WhizkidTN Offline
WhizkidTN  Offline

Joined: Dec 2016
Posts: 584
E. Tennessee
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] (78K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (80K)
>EDGE 0W-20, Fram XG6607
Re: Rubber Lubricant? [Re: WhizkidTN] #4976501
01/11/19 09:09 PM
01/11/19 09:09 PM
Joined: Aug 2015
Posts: 3,062
NC
BigD1 Offline
BigD1  Offline

Joined: Aug 2015
Posts: 3,062
NC
Originally Posted by WhizkidTN
Can't you just spit on it and slide it in?

Wow, that sounded completely wrong!


LOL


1992 Toyota Pickup--PYB 10W-30--Fram PH3614
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