mark-1s Posted March 4, 2022 Share Posted March 4, 2022 First off I should mention this project that I'm in the process of is not Mac related, but figured this is the best sub-forum to ask this question. My project involves an old style telephone handset and I'm going to have to fill in some very small gaps (like 2mm x 4mm) and I'm wondering what would be the best product for such an application. It would be a huge plus if it was really to use. Thx in advance, and my apologies if this isn't the correct area for my query. Quote Link to comment Share on other sites More sharing options...
fhrex Posted March 4, 2022 Share Posted March 4, 2022 I use Tamiya putty. https://www.tamiya.com/english/products/87095putty/index.htm Quote Link to comment Share on other sites More sharing options...
pengbuzz Posted March 4, 2022 Share Posted March 4, 2022 I use this: https://www.permatex.com/products/adhesives-and-sealants/epoxies/permatex-plastic-welder-25-ml/ Sets in 4 minutes, cures in 15 and can hold weight in 1 hour; can be sanded/ painted, and unlike putty, is structurally strong. Also useful for repairing breaks and other damage in plastic. Quote Link to comment Share on other sites More sharing options...
Big s Posted March 4, 2022 Share Posted March 4, 2022 The epoxies are probably the fastest, but I’ve had the best luck with polyester putty from tamiya. That one does take about a day though. I personally don’t like the normal tamiya putties since they don’t seem to stick as well to the surface and have shrinking issues and can take a while to dry for sanding. Quote Link to comment Share on other sites More sharing options...
pengbuzz Posted March 5, 2022 Share Posted March 5, 2022 2 hours ago, Big s said: The epoxies are probably the fastest, but I’ve had the best luck with polyester putty from tamiya. That one does take about a day though. I personally don’t like the normal tamiya putties since they don’t seem to stick as well to the surface and have shrinking issues and can take a while to dry for sanding. I've experienced that as well. Plastic Welder is less an epoxy than it is a 2-part adhesive that is stronger and less brittle than epoxy. it also bonds much more closely to the plastic; in fact, the transformable fighter I designed is partly built from plastic welder (cured into shapes and sanded/ cut). Quote Link to comment Share on other sites More sharing options...
mark-1s Posted March 6, 2022 Author Share Posted March 6, 2022 (edited) Thank you so much for your input, everyone. Its greatly appreciated! Gonna see if I can find that Tamiya putty locally. Edited March 6, 2022 by mark-1s Quote Link to comment Share on other sites More sharing options...
Big s Posted March 6, 2022 Share Posted March 6, 2022 Tamiya stuff is usually easy to find, but their polyester putty is the hard one to get these days. The permatex plastic welder that pengbuzz recommended was at the local hardware store, so I’m gonna see how that one goes on a couple of projects. Quote Link to comment Share on other sites More sharing options...
pengbuzz Posted March 6, 2022 Share Posted March 6, 2022 3 hours ago, Big s said: Tamiya stuff is usually easy to find, but their polyester putty is the hard one to get these days. The permatex plastic welder that pengbuzz recommended was at the local hardware store, so I’m gonna see how that one goes on a couple of projects. Good; just be careful though that they haven't had it sitting on their pegs for a while. I bought two tubes the other day at a local automotive store (they ended up shipping them from another store, so I couldn't check them) that were dried out and useless, so I need to return them. They tend to go bad after 6 months or so, so these had to have been sitting around for some time. Keeping receipts is a good thing. Quote Link to comment Share on other sites More sharing options...
Big s Posted March 6, 2022 Share Posted March 6, 2022 Good to know. I have that issue sometimes with other epoxies. I ordered some milliput, and the lighter color part was crumbly and the yellowish part turned dark and oily. It didn’t mix well. Quote Link to comment Share on other sites More sharing options...
MechTech Posted March 7, 2022 Share Posted March 7, 2022 Milliput is GREAT stuff and you can shape it with water. It ALSO makes a great gap filler too. It sounds like what you have is OLD! If its new, get your money back. BOTH rolls should be fine and not like what you described. With the new stuff, keep the plastic rolls separate and cut each roll with a separate knife. You don't want to cross-contaminate the rolls and cause them to cure slowly. I hope that helps. - MT Quote Link to comment Share on other sites More sharing options...
Big s Posted March 8, 2022 Share Posted March 8, 2022 Oh it definitely was old. I’ve used plenty of it in the past, but getting refunds on open products can be a pain as pengbuzz mentioned. In my case, I was able to get a resuply, but it was a waiting game to get the new batch in. The local hobby shop was out, so I ordered from amazon, I had to ship it back and I think overall I just should’ve waited for the hobby shop to get it in stock. and it is pretty good. I definitely like miliput better than most putties, but I do still feel like around edges that a second or even third application are needed. Quote Link to comment Share on other sites More sharing options...
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