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Thread: UV adhesive for acrylic?

  1. #1
    Join Date
    Jul 2007
    Location
    Perth, Western Australia
    Posts
    153

    UV adhesive for acrylic?

    For years I've been able to glue acrylic edges together with chloroform dispensed through a glass syringe.
    Unfortunately I've now run out of chloroform and have had to resort to a clear "water thin" acrylic adhesive. This is because chloroform is now regarded as a toxic substance here in Australia, and supply is limited to those who can demonstrate a clear need and also pay for a very expensive licence.
    I've found the acrylic adhesive to be less than ideal for forming clear and nearly invisible bonds in acrylic. I think this is because the adhesive has a slightly higher viscosity and therefore doesn't move as far or as evenly into the join by capillary action. Whatever the reason, I'm not getting the results I am looking for.
    Casting around for an alternative, I'm wondering if a UV adhesive could be a workable option. Does anybody here have any experience with this?

  2. #2
    Dymax make some really nice UV glue for acrylic. You are right it is much cleaner and more controlled than you typical Weldon cement. But nothing is as strong as Weldon because it is a cement that does a chemical bond where Dymax is your typical glue.

    look up the recommended number and give it a try. What I like about the Dymax is you can wipe it off at any point and start again without any damage to the acrylic. BTW Always keep Dymax UV cure glue in the fridge when not in use as its life will be limited otherwise.

    Cheers
    Keith
    Universal Laser VLS6.60, Tantillus 3D printer, Electronic design
    edns Group, Mairangi Bay, Auckland, New Zealand

  3. #3
    Join Date
    Oct 2007
    Location
    Englewood, CO
    Posts
    483
    Hi Bob, I've never used UV glue for Acrylic, but FWIW, I know a few shops that deal exclusively with Acrylic fabrication, (high end Acrylic furniture) and when they have to laminate large pieces together bubble free, they use the Sci-Grip #28 (used to be Weld-on), like any new technique it takes some practice to get good. Hope this helps.
    http://www.scigrip.com/Acrylic_Cements.category.php
    Universal PLS 6.120D 75 watt
    MutiCam Apex CNC 4'x8' w 6 bit TC.
    EnrRoute 6 Pro 3d software.
    Vision 2550 Rotary Engraver.


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