8 inch floppies, decaying

Hi folks, Tonight I got my imaging PC to successfully read some of the 8? disks from my CPT8500 word processor using one of its own Tandon TM848-01 drives, sadly it seems the boot disk is toast but I?ve been able to dump some of the data disks as well as the Utilities. Since I have a box of unused disks I thought I?d try writing back an image but got a lot of CRC errors. Closer inspection of the disk itself shows this - http://www.binarydinosaurs.co.uk/8inchFloppyImaging-7.jpg <http://www.binarydinosaurs.co.uk/8inchFloppyImaging-7.jpg> - which looks like damp. Is it actually the magnetic coating breaking down? Dare I attempt cleaning? Just for another test I tried reading some of my DEC diagnostic floppies since I hoped they were RX01 format, but they error constantly so they must be RX02s. Still, it was good to see the drive spring into life :) -- adrian/witchy Owner of Binary Dinosaurs, the UK's biggest home computer collection? t: @binarydinosaurs f: facebook.com/binarydinosaurs w: www.binarydinosaurs.co.uk