Re: [ARSCLIST] SV: [ARSCLIST] Acetate tape discolours tape box

["Richard L. Hess" <arclists@xxxxxxxxxxxxxxx>]

Thank you, Lars!

At 05:16 AM 10/20/2006, you wrote:
> Dear Richard,
> One reason for A-D strip reaction might be the fact that the 
> softening chemical
> in PVC production are esters from phthalic acid that, as the 
> decomposition of the
> PVC reaches a certain point, heat and light being the main catalysts,
> Brakes the weak chemical bonds that holds the phthalathes in place
>  and we get an acidic reaction, non odourous as to the 
> characteristics of phthalic acid.

Richard L. Hess                   email: richard@xxxxxxxxxxxxxxx
Aurora, Ontario, Canada       (905) 713 6733     1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.