Re: Dull Razors

[David Kardelis <dkard@CEU.EDU>]

My razors last about 3 months in Utah too.  I usually just shave after the
shower while the beard is still soft.
Razors last even longer now, since I grew a beard and just have to clean the
edges.

> -----Original Message-----
> From: Jim Green [SMTP:JMGreen@SISNA.COM]
> Sent: Friday, September 24, 1999 5:48 PM
> To:   PHYS-L@lists.nau.edu
> Subject:      Re: Dull Razors
>
> > soap because nothing else is any better.  Well, I have found that using
> a
> > shaving soap (canned variety) can extend the life of a razor to many
> > weeks, at least.  I use twin-blade disposable razors, and they routinely
> > last 3 months, or more.
>
> Three MONTHS??????!!!!!!!! -- must come from living in Northern Utah --
> Down here in Sanpete I am lucky to get one day per Atra blade.  I use
> yesterday's blade once over then load a new blade and start shaving.
>
> Hence my question: Why does a shaving blade get dull?  The only reasonable
> response thus far is that this wimpy string of protein bends the edge of a
> piece honed steel.  Such metallurgy is hard to understand.
>
> > Now, I don't know what Lois or any other woman uses in shaving her legs,
> > but I suspect it is more likely to be just hand soap, not the shaving
> > soap.  The life of a razor is definitely related to what's on the hair to
> > aid the blade.  Any physics in that problem?
>
> Yes, and my blades have a strip of Teflon like stuff which is supposed to
> make the blade last longer.   As far as I can tell it just makes it harder
> to shave.
>
> Just me over here in my little corner.
>
> Jim Green
> mailto:JMGreen@sisna.com
> http://users.sisna.com/jmgreen