We all just double-checked and it looks like polyester rather than acetate. My guess is the angle of my phone and the way the sunlight was hitting the tape made it look wrong. Do you have any advice re baking?
September 26 2017 4:27 PM, "John Chester" <[log in to unmask]> wrote:
> On 9/26/17 4:10 PM, Ted Kendall wrote:
>> If you are getting what I think you mean by bleedthrough, bits of > oxide have already lifted and
>> stuck to the back of adjacent turns. If > you have played it, it's probably too late to do much,
>> but you could > start by baking and see what can be salvaged.
> The loose end of the tape which I see in the photos is red oxide with no backcoating. Tapes
> without backcoating rarely need to be baked. If any of the tape on this reel is acetate base, it
> should absolutely not be baked. To check for acetate base, hold the reel up to a light -- if you
> can see light through the tape pack, it's acetate.
> The nightmare scenario is a mixed reel that's got sticky-shed tape on the outside, and acetate tape
> further into the reel. In that case, you pretty much have to decide which you will save, because
> you probably can't save both. Baking will ruin the acetate, and unspooling the sticky-shed tape
> without baking may leave large chunks of oxide stuck to the backcoating.
> -- John Chester