[GreenKeys] two kinds of shellac

[Chris Elmquist]

Seems it has to do with what the bug eats,

http://en.wikipedia.org/wiki/Shellac

	Colors and availability

	Shellac comes in many warm colors, ranging from a very light
	blond ("platina") to a very dark brown ("garnet"), with all
	shades of brown, yellow, orange and red in between. The colour
	is influenced by the sap of the tree the lac bug is living on, as
	well as the time of harvest. Historically, the most commonly-sold
	shellac is called "orange shellac", and was used extensively
	as a combination stain and protectant for wood paneling and
	cabinetry in the 20th century.


p.s.

	It takes about 100,000 lac bugs to make 500 g of shellac flakes.

Chris N0JCF

On Friday (06/17/2011 at 06:04AM -0500), kf9nz at juno.com wrote:
>         As I recall there was "orange"  and "white".  Other than the
> obvious difference, I don't recall why to use one or the other, and if
> there are two kinds of lac bugs or what.  The "shellac" internet site
> doesn't seem to have any information about this.   When constructing
> "breadboard" radio projects it was routine to shellac the boards before
> you began to mount the tube sockets etc.
> 
> I see the Cubs got a good shellacking (sp?) again the other day.
> 
> Frankf9nz
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-- 
Chris Elmquist