Activity Feed Forums Printing Discussions General Printing Topics Some pressure sensitive laminate questions

  • Some pressure sensitive laminate questions

    Posted by Andrew Blackett on February 25, 2009 at 9:23 pm

    Evening all,

    Just a couple of quick questions on cold laminating;

    We’re having some problems with silvering on a couple of our medias that we regularly use. Is there anything that will "reduce" the effect?

    Dust!!!! (:) any suggestions, we’ve been just dusting the prints as they come up to the rollers with a feather duster but is there a better way?

    last one, promise;

    Sandtex – any recommendations, I’ve got a sample of one by Seal (base sandtex I think its called) coming but has anyone got any favourites. Preferably one that gives little or no silvering.

    What actually causes silvering? just I’ve used some 290f from oracal the other week and it had none, literally none whereas other films come out looking terrible.

    Andy

    Andrew Blackett replied 15 years, 2 months ago 4 Members · 6 Replies
  • 6 Replies
  • Lynn Normington

    Member
    February 25, 2009 at 9:39 pm

    Andy I would say feather duster is a no no even an anti static one as they lay down fibres, whilst you dust off, if your prints haven’t been in a dust free environment, tak rags , we do cold lamination but have two heat light things over the laminator it is also in a unheated garage, but we have a couple of gas heaters that we put on a couple of hours before we laminate,and run it threw slow, there is a bit of silvering but usually disappears within a short space of time. no comments on the sandtex never used it.

    Lynn

  • Kevin Flowers

    Member
    February 25, 2009 at 10:30 pm

    Andy
    heat helps to reduce it or better quality laminates with optically clear glue as the Oracal 290f. I have a heat assisted top roller on my laminator, which all but eliminates silvering on most laminates, if i’m in a rush & don’t let it warm up then i’ll get silvering but it disappears fairly quickly.

    Kev

  • Andrew Blackett

    Member
    February 25, 2009 at 10:36 pm

    Is there any easy way to get heat through a non heated laminator? "buy a new one" is not the answer I’m looking for 😀

    Andy

  • Kevin Flowers

    Member
    February 25, 2009 at 10:49 pm

    Andy
    subject to how much dust is in the environment use a small blow heat behind the laminate may take a little bit of a play to get it right but should work. Slow the laminator down will help as this will allow the laminate to take the heat on. Its not an ideal solution but should work, on my old laminator i used an heat gun on the glue side

    Kev

  • John Childs

    Member
    February 25, 2009 at 11:00 pm

    As mentioned by Lynn, use tak rags.

    The dust sticks to them, whereas your feather duster just spreads it around.

  • Andrew Blackett

    Member
    February 26, 2009 at 7:21 pm

    Thanks for all the replies, will pop to the bodyshop supplies place tomorrow and get a pack of tack cloths (does it matter whether they are waterbased or not as I’ve seen both on the net?)

    The laminate, got a sample in this morning from Atech and its worlds apart from the other rubbish I was using. Feels nicer and goes down with neglible amounts of silvering (will probably have gone by the morning) I did a side by side comparison on a piece of gloss black vinyl as I wanted to give it the worst case scenario to show any silvering. Will post a pic showing the difference in the morning.

    Best wishes
    Andy

Log in to reply.