Re: Boron safety data sheet

From: John Kagan <john_kagan_at_hotmail.com>
Date: Mon, 03 Jan 2011 15:44:22 -0000

The Boron fibers I purchased from Ray have a carbon core. I'm not sure if all of his does, but the batch I received did.

--- In Indoor_Construction_at_yahoogroups.com, Tapio Linkosalo <tapio.linkosalo@...> wrote:
>
> On 29.12.2010 23:06, John Kagan wrote:
> > I have Boron accumulated on two types of cores: tunsten wire and carbon.
> >
> > Interestingly, I've found that I need to use two different methods to
> > "cut" them.
> >
> > The tunsten core type likes to be bent until it snaps. Squeezing it with
> > pliers does nothing. (If you have to get a boron splinter, this is
> > probably the kind you want. It holds together and comes out cleanly. It
> > also always surprises me how long the splinter ends up being - kind of
> > scary)
> >
> > The carbon core type likes to be crushed with pliers. Bending it until
> > it snaps causes it to shatter in several places, always including
> > somewhere you didn't want it to break. (Maybe this is the kind of Boron
> > splinter people have had trouble with, dunno)
>
> Which core does the boron that Ray Harlan sells have? I have used
> scissors to cut both 3 and 4 mil fibres from him: take a piece of tape,
> double it so that boron gets into the tape fold, then cut through the
> tape and the fibre. Works nice and cuts pretty easily.
>
>
>
> -Tapio-
>
Received on Mon Jan 03 2011 - 07:44:30 CET