[ATM] BVC material properties

[Jean-Guy Moreau]

hi George, 

well,  black devitrified glass would convey a negative image, no ?   :)

Jean Guy


> I remember Andre on the list having to defend his product. At one point 
> he was referring to a "secret glass" from Pilkington. I guess that changed.
> Interesting the theory about the devitrification, since the official 
> name for BVC is "Black Vitrified Ceramic".
> 
> George Anderson
> Montreal Canada
> 
> Clear skies and good health
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