Alumilite produces four types of casting resins … ShopifyBuy.UI.onReady(client).then(function (ui) { I have been researching like crazy and want to be sure I do it perfectly for him. I wouldn’t be able to consistently schedule time to do projects for it with only weekends available. – Best jewelry resin, Resin pendant ideas – Mixed media resin project, Polyester casting resin – 5 things you need to know. Why is this important? and, because I did not want to waste any resin, I thought I’d wait until I had a good idea as to what to use it for. I added a slightly bit more hardener and I’ve found I have no sticky layer! When working with this volume of resin (it’s around 700g) how much catalyst should I use and when curing should I leave in the mould and for longer? Hi, I’ve only recently started to use Resins, and had been using Epoxy, but I thought that Epoxy is very costly and I looked (and ordered) polyester, due to the cost factor. When working with this resin, I use a NIOSH approved respirator for fumes. Before that I didn’t know that there is difference in resins. var script = document.createElement('script'); I didn’t — I threw it all away. Maybe it is because I’m in a warm-weather climate, but none of the polyester casting resins I have used have ever gone more than 10 minutes before starting to gel. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to email this to a friend (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), What is the best resin for jewelry? In my opinion, the best place to use polyester casting resin is for a piece where you want to put a high polish on the final casting with a buffing wheel and buffing compound. Any advice you can give would be greatly appreciated. It bubbles, its soft, it doesnt shine well, and it takes FOREVER to cure. Polyester is cheaper than epoxy resins; That is commonly used in the marine industry such as boat building; Used for the casting of bumpers or gutters and repair of plastic parts. Polyester resin is a dependable favorite among resins. I am hoping it will continue to harden over the next couple of days. Your email address will not be published. It’s approx. By the way, if you are new to polyester resin casting, please read my post on 5 things you need to know before using polyester casting resin before trying this yourself. Trust me when I say it was harder than the casting. I have a very special resin project I want to do for my stepson. Hi Sabra, our deep pour epoxy resin would be perfect for a project like this: https://shop.resinobsession.com/collections/resin/resin-obsession-deep-pour-resin, I’ve been using polyester for a few months now and after lots of trials and errors I think I’ve cracked it! Would I be able to use this productto make the rivers? It may be overkill… I hope it is. Yes, poly requires the use of a catalyst. Yay. We are casting something 170mm high amd 110 mm thick. Mindanao on June has an average high temperature of 30 degree C, and i do not know how that temperature would affect the curing of the resin since most video tutorials I watched is western. I had made some resin bracelets..with mostly fabrics inside..My problem is that they are all the same interior dimension 6.5 cms. FYI Project is coasters. I’m having a rough (excuse the pun) time getting a clean finish. I just bpught this clear polyester castin resin, i read the chart and been looming online for another chart, but it doesnt tell me how much catalyst I need for ounces, just for how think you want the layer. I’m very used to working quickly with products before they cure. Unsaturated polyester resin is a thermoset, capable of being cured from a liquid or solid state when subject to the right conditions. } https://shop.resinobsession.com/collections/resin/products/alumilite-amazing-clear-cast-epoxy-resin-16-ounces, https://shop.resinobsession.com/collections/resin/resin-obsession-deep-pour-resin, https://shop.resinobsession.com/collections/resin/resin-obsession, https://www.resinobsession.com/resin-frequently-asked-questions/what-kind-of-resin-should-i-use, https://shop.resinobsession.com/collections/resin/products/resin-obsession-super-clear-resin-6-oz-kit-jewelry-quality-resin, https://www.resinobsession.com/resin-frequently-asked-questions/how-long-does-it-take-resin-to-dry-resin-drying-time/. the river section vary from 1/2 in to 3/4 in depth and the width is anywhere from 1/2 to 2in and 2ft in length. But then I noticed there were multiple sds for the same product. If you are struggling to get a good mix with larger volumes of hardener mixed into the resin, you are not going to be successful only mixing in a drop or two of hardener into the resin. "text": { This allows the casting resin to flow even into very narrow cavities and small gaps. Best wishes for a good life! My pieces turn out beautiful every time. Polyester resin is a particularly dangerous material because of the fumes that it gives off in the unmixed state. There is an object inside. I clicked on the second – the hardener/catalyst. loadScript(); The Resin Obsession super clear resin is meant for molds. } – I use oil-based pigments to give a transparent color, i use a very concentrated ink (1 drop gives 2 cups of coffee) … Attention, in Portugal the coffee cups are small . Thanks for taking this decision away from me! Polyester resin does not work well for coatings. I’ve answered it there. I wonder if you know about Polyurethane resin, and if there are some differences between Polyester and Polyurethane resin and working with them. Because the temperature is so warm, I knew I did not need that much hardener, but in the name of resin experiments, I decided to do it anyway. Polyester resin is a low peak exothermic unsaturated resin used for making artificial marble and FRP products. var scriptURL = 'https://sdks.shopifycdn.com/buy-button/latest/buy-button-storefront.min.js'; Seen them in Pinterest. Unfortunately though, coating with a layer of the gloss sealer spray will not get rid of the marks. stabilizers. Casting resin is so popular for a wide variety of art, DIY and handicraft projects because it initially has a relatively low viscosity. considering also that its hot and dry here in the country. I want to cast my wedding bouquet (after several practice rounds). Also. Once I was sure pieces would fit, I prepped both molds with a light mist of Ultralease resin mold release. Could both work?? I don’t think this is a fair assessment. And for those of you wondering how I cleaned up the cup and stir stix? Everyone Im doing a concrete table with a couple of rivers running thru it. Especially appropriate for the production of bath tubs, shower trays, wash basins, closets, bathroom/kitchen sinks and floor tiles. I didn’t see the demold time. They are made out of styrene-based products and can be flammable. And this brings us to … I’ve pretty much decided never to use the stuff. I’m new to casting and have started with clear epoxy. "@media (min-width: 601px)": { The polyester arrived yesterday, so I haven’t opened it yet. If you put it in thick layers, yes, I would expect it to be heavy. A few seconds on a buffing wheel is all it takes to get a bright, shiny finish. After looking at your posts I’m torn between epoxy and polyester. Now, after coming across your excellent website, I decided to give it a go; The resin inside the tins seems very hard, but clear, with a few walnut size snow-white crystals on top… I guess I can not make it liquid anymore, so, hopefully it is rock-hard all the way through, then I can at least put it on the milling machine and make some cubes or whatever shapes out of it. You will either need to sand off this surface or seal it with a layer of resin gloss sealer spray to cover the stickiness. – I can make small quantities, for rings, bracelets, pendants … without problems of hardness or cooking. Our large selection of clear and coloured casting resins makes it easy to find the right plastic solution to meet the needs of your next project. script.async = true; What a dilemma: A couple of years ago I was given 2 large tins of XOR Crystal Polyester Resin and hardeners etc. "text": { How can i fix the finished pieces so they look like glass? And please – no torches or heat guns with polyester resin! I am hoping to put it down as well as some powder pigment to make some swirls. The Resin Obsession deep pour resin works great for a project like this. However, epoxy resins will begin to gel in as quick as 20 minutes, whereas casting resins may take upwards of 18 hours to gel. As vacuum forming and heat sealing technology developed, new methods of packaging that used polyester resin as a base material came to the forefront, and still remain the most common forms of small-item packaging today. This is because thin layers are unlikely to generate enough heat to cure so it needs extra hardener. } Hi RT, yes, resin will bond to concrete and mixes well with mica powder. If you do an internet search or find them on the companies website, the safest product sds with usually be listed first. When these two components are mixed, a chemical reaction occurs, which causes the mass to harden for some time. The smell persists for awhile. Much harder to work with and goes right from very liquid to gel, unlike epoxy that gets more syrupy with time. I am working on my second attempt at casting snakeskin blanks. While you can mix a volume of epoxy and use it as you please, polyester casting resin is not that simple. You can find it in our store here: https://shop.resinobsession.com/collections/resin/products/resin-obsession-super-clear-resin-6-oz-kit-jewelry-quality-resin. No. For deep castings polyester is definitely the way to go. smell is really disgusting! Also, this might be a stupid question but, is acrylic the same thing as resin?? Both of these reins can be pigmented with polyester pigments to achieve hundreds of colours and effects. Love to hear your thoughts. Not so safe, pretty scary to be honest. Are you going to be using molds or bezels? Any ideas why? What is the best resin to use and can I pour the whole depth at once. Plus, I want to make sure I have an environment where I am comfortable working outside with it. According to the manufacturer’s instructions, I must add 5 to 6 drops of catalyst per ounce of resin. Epoxy is garbage and the finished products look cheap and don’t hold their integrity as they yellow and fade over time. "button": "Checkout" I can’t say that’s been my experience. I knew two ounces would fill the bracelet mold, leaving me an additional 1/2 ounce for the ring. } Just think of the vitamin supplements you take! before I start my project, I need help from expects how to measure the catalyst; how drops every ounce ounce? I admit my nose is sensitive to smells, but I have read the same comments from other resin casters as well. Post was not sent - check your email addresses! It is primarily used for small-scale production like industrial prototypes and dentistry. Matting used in conjunction with MP or GP polyester resin (do not use clear casting resin) for fibreglass lamination. } Feeling the need to redeem myself, let’s call this polyester resin casting Part 1. I work with Dollhouse Miniatures. A few seconds on a buffing wheel is all it takes to get a bright, shiny finish. Considering the properties/durability of this variety of resin, what is the likelihood that my dice will shatter/chip when thrown against a tabletop? The first step in casting your own "acrylic" pen blanks is choosing what type of resin to use. "text": { (Upside was the pour side, which is the side exposed to air during curing.) My sister requested I make a resin globe with a flower from her wedding bouquet inside, so the requirements I’m assuming I need are crystal clear resin and ability to cure with a depth of about 4 inches. It is most commonly used in the construction of molded reinforced fiber and composite products. Polyester resins such as these are of the ‘unsaturated’ type. domain: 'resin-obsession.myshopify.com', The heat is tremendous in the silicone after about an hour. I would also have a fan blowing fresh air on me or evacuating air away from the casting. I have actually just started working with resin period and not knowing much about the difference I chose the polyester. No big deal as the bracelet will be wearable and it is for me anyway. Most polyester resins are viscous, pale coloured liquids consisting of a solution of a polyester in a monomer which is usually styrene. I like the smell! I do them by video so I can have a chance to see what you are working on. "styles": { I have never used resins of any sort and now doubting that I even can for my project but thought I’d ask. Polyester- super clear, can handle buffing, good for deep molds, but bad for beginners. This will make trapping bubbles in your pieces less likely. }, Hi Deborah, I see where you posted your question in our forum. Polyester resins are unsaturated synthetic resins formed by the reaction of dibasic organic acids and polyhydric alcohols. Polyester resin can be quite difficult and toxic to work with. Did anyone ever tried using pressure pot for casting polyester resin? Thanks! }, Click here for instructions on how to enable JavaScript in your browser. I wear a mask and fans to give me air. For this amount of resin, I added 12 drops of catalyst and mixed for approximately two minutes. Hello, and thank you for all your sharing! On youtobe.com (as usually ) I watched as people suggested to use plastic yogurt trays for mixing components. Polyurethane Resin vs Polyesther Resin. thank you again. It will not eat through most clear plastics (ex., polypropylene). Just a few drops in a large batch of resin will take longer to cure, but all airbubbles will be gone. thank you so much. You can also use it to “dome” surfaces. id: '372220565', I have just recently started casting with polyester casting resin, doing a small little table with wood imbedded into the resin. – It create always a sticky layer on the surface. In my opinion, the best place to use polyester casting resin is for a piece where you want to put a high polish on the final casting with a buffing wheel and buffing compound. script.src = scriptURL; My ? Hmm. 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I have been told to use Envirotex Lite. The amount of hardener you add is dependent on the depth of the final casting. var client = ShopifyBuy.buildClient({ ….keep in mind that the heel needs to be resistant to weight…. Only polyester resin is available in our local store, and many tutorials suggested beginners should start with epoxy resin but im stuck with this fiberglass. Short-term effects of these fumes are: dizziness, nausea, skin irritation. I didn’t know about the different resins and encased some sentimental flowers in a bracelet. Can we use Polyester resin for coating grounds instead of Epoxy coatings ? These resins are used in artistic casting, marine use and in composite materials. I don’t know how well it would hold up. I have good results with a product by Mod Podge called “Dimensional Magic”. Thanks for the info. You can see how I improved things in this article:  resin casting a bangle bracelet, Unpublished Blog Posts of Resin Obsession, LLC © 2020 Resin Obsession, LLC, I’ve learned the hard way that if I’m mixing one big pot for several projects that the projects all have to be similar size to do the hardener correctly. It sounds like your resin got too hot and/or it reacted with the corrugated sheet. After years of using epoxy resin I tried polyester earlier this month. }); Hello, I am working on a shoe design and I really need to make a pair of clear high heels, what kind of resin should I use to make the heel part, keeping in mind that needs to be resistant to weight? Is there something better? up to 20cm; larger than that 2 layers up to 40cm, and larger than that 3 layers. The polyester resin used in most molding applications is a viscous liquid requiring the addition of catalysts and accelerators to complete the curing process. I think I am going to pass on that and stick to epoxy LOL, It can be exhausting! Should I be returning it in exchange for another resin. While the right amount of hardener was added to the resin-based upon my measurements, the outdoor temperature added extra heat to the resin reaction. The resin fully cured and the ring is sturdy. Yes it stinks and does gel up quickly, but it seems to turn out beautiful for me everytime now that I have worked out the bugs. } If it’s setting in 10 min Is that when it’s ready to demold? I’ve been motivated recently to do some polyester resin casting tutorials. Yes, I realize this is overkill, but at least to me, the smell is that bad. I’ve been motivated recently to do some polyester resin casting tutorials. That means you do not have to recoat with another layer of resin or a gloss spray to get a shiny surface. General Purpose Casting Polyurethane Resins; Smooth-Cast® 300 – 950g; R 226.55; The Smooth-Cast® 300 Series of liquid plastics are ultra-low viscosity casting resins that yield castings that are bright white and virtually bubble free. I learned these arts and crafts materials, these fun products available at hobby, big box, art and craft stores did not have proper warnings and were not safe and benign when used the way most consumers and instructors used them. For beginners, I recommend starting with epoxy resin. This resin is most suitable for use in making; High Quality Artificial Marble, Onyx Marble, Clear Transparent Casting as well as being used in the process of Solid Surfacing. Currently you have JavaScript disabled. If you can’t get a graduated eyedropper, assume 1 drop = approximately 5 ml (but really, using a graduated eyedropper makes things more controllable, and you can get disposable graduated eyedroppers for a couple of cents a piece). Unfortunately, though, I cannot sand the bracelet like I usually do because toy pieces are sticking out of the resin. For a nail art competition, I want to make a clear resin hand holding a cellphone. } else { If that takes too long, try about 2% (3.6 ml, for 180 ml of resin), and then 2.5% (4.5 ml). Hello. "products": { I would suggest using a food safe resin for that purpose. (function () { I will the exithermuc reaction be slowed down if I leave it in the silicone sleeve for longer? Yes cure time is far less than with epoxy. Just 1 soaked layer of 300gsm matting may be more than strong enough for a small form i.e. }, The largest are .75″ tall and .25″ wide. 5/8″ thick) with some rock embedments for a client and was just called back (after 4 years) to see that is has noticeably warped. Regardless of the resin you use, pour a little bit into the bottom of your mold before adding inclusions. Curing time varies between 1 hour and 5 days. I started with epoxy like everyone suggested and I HATE it. I don’t know if this has been asked and answered. Resin can work for this project, but I think this situation is best suited for a one-on-one consulting call where you and I talk back and forth about what’s going on so I can give you the best advice possible. I had a few trial an errors, but I so far I think I found that using about 10 drops of catalyst per ounce no matter what I am making has somehow worked out everytime for me. More questions: 2) My embeds are extremely heat sensitive. I suggest trying a different type of epoxy. Before adding the toy pieces to the mold, I mixed them in my cup of resin. I’m presuming I will need to cast with a channel (~ 1”)1 to insert the embeds into the center and then backfill with a plug. Post was not sent - check your email addresses!
2020 polyester resin casting