View Single Post
  #32  
Old December 3rd 18, 05:01 PM posted to rec.bicycles.tech
Jeff Liebermann
external usenet poster
 
Posts: 4,018
Default Tube cement, which brand is best?

On Sun, 02 Dec 2018 12:39:24 -0800, Jeff Liebermann
wrote:

MSDS for REMA Tip Top cold vulcanizing fluids show that they contains
trichloroethylene:
https://www.myerstiresupply.com/MyersTireSupply/media/myers-tire-supply/MSDS-pdfs/MSDS91100_01_02_Chm_Vulc_Fl.pdf
http://yourtireshopsupply.com/download?pID=220&fID=2598


Note that trichloroethylene (vulcanizing fluid) attacks butyl rubber
(inner tube):
http://mykin.com/rubber-chemical-resistance-chart-6
The chart is a bit difficult to read, but trichloroethylene and butyl
rubber are a "4" or "4 = Unsatisfactory". As near as I can tell, the
only connection with vulcanization is that it softens and
de-vulcanizes the rubber surface, so that the patch will have some
unconnected molecular bonds available onto which to connect.


--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
Ads
 

Home - Home - Home - Home - Home