RE: PVA size (probably major setback)
That's not a nice! Are you sure your exposure and development times are OK? If they're OK, then what you experience indicates a weak mechanical bond betweem the hardened gum layer and the sizing/paper... -----Original Message----- From: phritz phantom [mailto:firstname.lastname@example.org] Sent: Sunday, October 18, 2009 12:39 AM To: email@example.com Subject: Re: PVA size (probably major setback) ... the exposed gum is very vulnerable, when wet, on the caparol size. i tried it again on the two test strips i posted earlier. when dry it is very robust and can hardly be scratched off, but as soon there is water, it changes. i re-wetted a corner of the test strips and used the brush a little.it went right off. the emulsion adheres better on 1+5 size, than on the 1+1. ...