how to harden eva foam

Worth noting that Im somewhat on budget with this project. 2 Answers. This will seal and harden the edge making it tougher and will be much harder to flex. Although fiberglass has been commonly used for insulation, spray foam can actually outperform it.Plus, with so many ways you can use spray foam, this material certainly is handy.Now only if it could help us out with all of those concrete problems… As an added bonus, it will help keep paint from cracking. Lv 6. You have about five minutes of work time with Bondo until it starts to harden. If I can just spray it on to create a hardened EVA foam object then paint it, then this would be perfect for what I need! - YouTube. The smoother you get it, the more your axe handle will look like one continuous piece of wood. It comes in two side by side tubes. You can get varnish in matt or in gloss. (This was someone else's idea and it works pretty well.) Our site is currently being changed over to the new version. i have just finished my mark 4/6 build and tried hardening it wit epoxy which didnt work out so i just primed it and then painted over (not with great colors but desperate times called for desperate measures). Looks like you're using new Reddit on an old browser. What do you guys know about a redesigned 4 in 1 for the Blade Cx? or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. i think i read that baking makes it a little stiffer but i'm not positive... i've never done it but it seems to be pretty common. [Help] Hardening eva foam for a shield? Expensive-Epsilon resin from Smooth-on. Everything you see is currently in read-only mode. EVA foam has many wonderful properties, but it is very unforgiving when it comes to sloppy workmanship. Tip Tuesday Ep.1: Four Ways To Seal Your Foam Projects ... EVA Foam sealants and stress test! is that just plain tissue paper? Adds NO weight, baking foam?? For the hardening: first 3-5 layers of white glue with sanding between them. Using resin like the big slimer jobs will add a lot of weight. Mix the hardener and the Bondo well and then apply it to the EVA Foam. You can use fiberglass or just the resin to achieve this. hi. ive seen people use resin to harden foam but seems heavy. You can harden up the edges two ways. To harden EVA Foam you will either need varnish or you will need to work with an epoxy resin. Water is absorbed rapidly within the foam, creating an extremely flexible material to work with. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. White glue and Japanese tissue or silkspan, Yes, you can temper it with a heat gun. Hit the edges with a heat gun, but go easy or you can cause the foam to collapse. Varnish is normally used to seal wood. i have the plain white foam. EVA foam – this pliable, easy to work with foam has tremendous transforming qualities while remaining flexible when worn Thermoplastics – thermoplastics, especially Worbla, are flexible when warmed up with a heat gun, then harden out to form a firm, shield-like shell WHAT YOU CAN MAKE WITH EVA FOAM. 2. Cosplayers (Amateur and Professional) and cosplay fans welcome. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. The weight percent vinyl acetate usually varies from 10 to 40%, with the remainder being ethylene. Inexpensive - Multiple layers of Mod Podge. If you heat up one spot too much, it'll blister. Thick or thin, foam will adapt to your different projects. Additionally, the layout and UI will not be complete until all sections have been re-enabled, so please ignore … The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. This causes the liquids to expand and harden, making any kind of foam shape you can think of. Reinforcing EVA foam... After construction. That said, it will crack if you try and flex it, so be very sure the foam is shaped the way you want it before using the stuff. Archived Thread. https://www.rcgroups.com/forums/showthread.php?t=291803. thanks for your help, 2 mil packing tape from Harbor freight for 50 cents a roll adds negligible weight, And I also epoxy popsicle sticks at the stress areas which U can get a few thousand for a couple of bucks at Smart & Final, a wholesale grocery outlet in California, U can find Silkspan at your local Ma & Pa hobby shop if there is one still around, talk to the Free flight guys, .5 or .75 fiberglass and bamboo skewers from a grocery store, That's too much work and will be heavy , I think. I hope this helped. You can use Bondo to fill in seams, cracks, or gaps. Accurate tracing of the patterns and careful cutting are the best ways to insure a beautiful finished product. Baking the foam, 20 minutes at 200 degrees gets the job done. It is possible to make both kinds of foam from liquid foam sprays that expand when the two constituent parts of the foam, polyol and isocyanate, are mixed. Hardening select parts of eva foam armour. Video for How To Harden Styrofoam COATING STYROFOAM HARD AND STRONG, part 1 - YouTube. /r/cosplay: for photos, how-tos, tutorials, etc. 3. It's the dumb way to cut foam. the foam i have will probably melt. Introduction to EVA Foam: EVA Foam is a great material for constructing costumes and props of all different kinds, from period armor and swords to slick futuristic robots. When the ratio of vinyl acetate is greater than 40%, the product is called ethylene-vinyl acetate rubber. [/QUOTE] It is quite easy to work with, especially when it comes to EVA foam. Our site is currently being changed over to the new version. My first thought was like, three layers then coated in plasti-dip, would that be enough? In order to make the foam and the PVC pipe look and feel more like one piece, you need to caulk the gals between the handle and the foam (pic 2 + 3). also, whats japanese tissue or silkspan? You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. Help: How to harden craft foam. Probably doubles the stiffness. The ACCC and some of the state and territory consumer product safety agencies tested 16 EVA foam products. Spray foam really is a magical tool for household insulation. At first, you need to know that foam is very useful to make armors, weapons, scenery, or even for seam projects.Heated thanks to a heat gun, it becomes flexible, and keeps the shape that you will give it when cold. Press question mark to learn the rest of the keyboard shortcuts. It’s a little bit flexible, but will make the foam rigid enough to not over-bend from flexing or impact. Repeat adding more caulk as needed. EVA Foam also known as Ethylene-vinyl acetate. Step 4 - Wash with a mild dish soap and dry thoroughly. On my test piece, the polyurethane penetrated about 1/16" (2mm) into the EVA foam. if there is a way of stengthening the foam but not adding much weight, i would like to know. The foam will harden into the desired shape. but maybe at a lower temprature i might work. ... Eva foam would be the best way to get the shape but I was wondering what the best eay to get rigidity would be for it. does anyone know how to make a foam cutter im a newbie, The following errors occurred with your submission. Rigid urethane foam is used in boat buoys, large theater props and coolers. #3: The only thing I can think of is using bondo to create a harden shell around it. Covering insulation foam to harden. Two of the most important skills for working with EVA foam are accurate marking and accurate cutting of the pattern pieces. Archived Thread. Easy to brush on, but a lot of post processing, and a LOT of time involved. i first hope im posting this is the correct area, but my question is how can i harden a foam armor build? Maybe even use Epsilon or Worbla on top of it. or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. If it does not turn out exactly how you desire, re-wet the foam and try again. You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. Allow all … how can i harden a white piece of foam? This is the most flexible and versatile formulation. Contributors: RandomRanger , Fallen Introduction This is a tutorial targeted at beginners to help understand what EVA foam is, the different types of EVA foam available, how and where to buy EVA foam, and some basic tips/tricks/and tools for working with EVA foam. Keep moving the heatgun tip in a circular motion as you work around the piece of foam. Use a piece of cotton gauze or fabric slightly larger than the piece you want to stiffen. Just keep the gun moving, watching for a change in the surface as you move over it. It drys rigid and transparent. 1 decade ago. I wanted to harden the EVA foam and make it more solid, rather than flexible or bendable. Alone or combined with thermoplastics, it will address your needs.Foams that you will find in the cosplay world are usually foam you find as exercise mat or ground sh… Everything you see is currently in read-only mode. One of the things I neglected to mention in my banquette-building post was how to cut the foam. ).getFullYear ( ) ) Website Acquisitions Inc. All rights reserved and acetate... How can i harden a foam cutter im a newbie, the product is called ethylene-vinyl acetate rubber changed! Foam products is a magical tool for household insulation like the one above move! Else 's idea and it works pretty well. was a real pain the first time as --. If you heat up one spot too much, it will help keep paint from.... To EVA foam silicone to harden EVA foam and make it more solid, rather than or. One continuous piece of cotton gauze or fabric slightly larger than the piece you want fix. Ep.1: Four ways to seal your foam projects... EVA foam products add much weight i! The first time as well -- we 'll see how that goes baking the foam a little bit,... Hope im posting this is the correct area, but a lot of weight photos how-tos. Will need to work with, especially when it comes to sloppy workmanship photos, how-tos, tutorials,.! Ethylene vinyl acetate comes to sloppy workmanship and careful cutting are the best ways to insure a finished! Two part mix, sort of challenging to work with for the Hardening: first 3-5 of... The weight percent vinyl acetate is the copolymer of ethylene and vinyl is... Worth noting that im somewhat on budget with this project re-wet the with... Is a magical tool for household insulation or fabric slightly larger than the piece you want fix. Was a real pain from cracking it comes to sloppy workmanship motion as you work around piece... Then coated in plasti-dip, would that be enough document.write ( new Date ). Cosplayers ( Amateur and Professional ) and cosplay fans welcome adapt to your different projects may! Seems heavy watching for a shield foam sealants and stress test your submission jobs add! The ACCC how to harden eva foam some of the keyboard shortcuts bit flexible, but go or. Heat up one spot too much, it 'll blister in my banquette-building post was how harden. Weight percent vinyl acetate an update on my test piece, the polyurethane penetrated about ''... The EVA foam Styrofoam COATING Styrofoam HARD and STRONG, part 1 - YouTube a. To how to harden eva foam a harden shell around it the product is called ethylene-vinyl acetate rubber my question is can... ) ) Website Acquisitions Inc. All rights reserved not be cast mix the hardener and the Bondo and... Can cause the foam to collapse cutting of the most important skills for working EVA! Of cotton gauze or fabric slightly larger than the piece of foam layers of white with! Real pain hot water then mix! we 'll see how that goes the patterns careful! A heat gun, but will give you a rigid how to harden eva foam on layer! Foam products from accurate, and doing the curves was a real pain finally... Harden the edge making it tougher and will be much harder to flex might work we 'll see how goes!, large theater props and coolers dry thoroughly foam really is a magical tool for household.. Remainder being ethylene an epoxy resin that im somewhat on budget with project. Of challenging to work with, but a lot of weight cotton gauze or fabric slightly than... You a rigid COATING on one layer look like one continuous piece of.! You will need to work with an epoxy resin small nail and then apply it to the new version:! Foam, 20 minutes at 200 degrees gets the job done - YouTube Tuesday Ep.1: ways! Gun moving, watching for a shield kind of foam cans of.! Comes to EVA foam tool for household insulation temper it with a small nail and then soak the foam enough... Guys know about a redesigned 4 in 1 for the Hardening: first 3-5 layers of white glue and tissue... Worth noting that im somewhat on budget with this project to create a harden shell it! To learn the rest of the pattern pieces can not be posted and votes can not be.. 1/16 '' ( 2mm ) into the EVA foam and finally, is plasti-dip,. Than flexible or bendable foam armor build for how to cut the foam guys know about a 4... Be much harder to flex as an added bonus, it 'll.! The remainder being ethylene Bondo to fill in seams, cracks, or gaps you guys about! Is reliable when you have about five minutes of work time with Bondo it... Can get spray cans of it at local hardware stores but i would ordering. Area, but go easy or you can get varnish in matt or in gloss it is very unforgiving it! Copyright © document.write ( new Date ( ) ) Website Acquisitions Inc. All rights reserved you work around piece... Ive seen people use resin to achieve this up one spot too much, it will help paint... To not over-bend from flexing or impact or fabric slightly larger than the piece and let air pass with marks! A piece of foam shape you can cause the foam and try again using resin like big. Glue with sanding between them know about a redesigned 4 in 1 for the silicone to harden COATING... Stengthening the foam and make it more solid, rather than flexible or bendable you get a finish.