Solid rubber stems

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dkaye201

Starting to Get Obsessed
Jun 13, 2016
183
0
What can someone tell me about solid rubber stems. How do you clean them, and in an old pipe are they ok to smoke?

 

cobguy

Lifer
Oct 18, 2013
3,742
15
Here's some reading to start you off:
http://larryssonpipes.com/blog/?p=113
https://thepipesmoker.wordpress.com/2009/11/22/cleaning-vulcanite-stems/

 

torque

Can't Leave
May 21, 2013
444
2
If it's a solid rubber stem, as opposed to vulcanized rubber, you need to be careful. Solvents that are fine for vulcanite can cause hard rubber to "ripple". Oxyclean bath is fine for cleaning and only very fine grit micro-mesh for polishing. The micro-mesh needs to be used with a very light touch and very slow so you don't build heat as this will ripple the rubber as well. I would stay away from alcohol or any other solvent when cleaning these. And yes, they are fine for smoking. I have a couple of hard rubber stems on some very old pipes and they smoke fine. Just need a little extra care when preforming maintenance.

 

fluffie666

Can't Leave
Apr 4, 2014
497
5
I recently figured out the hard way that high proof Everclear is not a good choice for cleaning these hard rubber stems. I swabbed the inside of one and took a layer of the material right out with the pipe cleaner. The hole, unfortunately, has to be wider now. What is a good maintenance method for cleaning this type of stem after a smoke? I was thinking rum that is a lower proof but I figured I'd throw this out there before I destroyed the diameter of my stem even more.

 

torque

Can't Leave
May 21, 2013
444
2
I would stay away from anything that can "attack" regular rubber, because that's basically what it is. I would stick to soaks in mild detergents and avoid alcohols, chlorine, etc. Oxyclean is cool to use and works fairly well for dissolving tars. Just don'the let them build up till they clog and Oxyclean in warm water will give desirable results.

 

jpmcwjr

Moderator
Staff member
May 12, 2015
24,726
27,327
Carmel Valley, CA
I'd use hot water to rinse/wash both the bowl and airway. Then dry with a pipe cleaner. This is a minority opinion, but there's not a shred of proof nor reason why water is harmful to briar pipes. Just an old saw. (I started a thread on the subject if interested)

 

georged

Lifer
Mar 7, 2013
5,539
14,252
ewxaaS.jpg


 

torque

Can't Leave
May 21, 2013
444
2
@dkaye201
I know you like those old WDCs like I do. Be careful if you get any of the old "Lockmount" line. A lot of those have the solid rubber stems but they aren't stamped as such. Easy way to test those is simply drop them in a oxyclean bath. If it doesn't start oxidizing then it's a good bet it is solid rubber and not vulcanite.

 

fluffie666

Can't Leave
Apr 4, 2014
497
5
Hot water and oxiclean, I'll try that. Thank you jp and torque. Torque, thanks for the extra advice on polishing with micromesh. I'm sure I'll put that info to use sometime soon.
Another question; did pipe makers stop using solid rubber for stems altogether? If so, is it possible to categorize pipes with rubber stems into a round about specific time? An example of what I mean are Kaywoodie four hole stingers could be mid 1950's and earlier. Can we put a time stamp like this on pipes with rubber stems?

 

torque

Can't Leave
May 21, 2013
444
2
@fluffie666
Solid rubber stems aren't nearly as hard as vulcanite. Unless there is a flaw that needs to be worked out, I start with 4000 micro-mesh and go up from there. I find the lower (heavier) grits to be a little aggressive for that material. Hope that helps.

 

mso489

Lifer
Feb 21, 2013
41,210
60,459
Good post, drawing the distinction between vulcanite and solid rubber. It's important to have this in mind if you're looking at older estate pipes. Until now, I might have thought they were essentially the same material.

 

hugodrax

Can't Leave
Jan 24, 2013
448
669
You and me both, sir. That explaina why some of my older pipes don't oxidize. I've learned two things today abouts pipes and their upkeep.

 

okiescout

Lifer
Jan 27, 2013
1,530
6
"Until now, I might have thought they were essentially the same material."
As did I, MSO and Hugo. Good post.

 
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