Resin and hardener epoxykit

💡 Pro tip: If you use a scale to measure your resin and hardener, ask the manufacturer what the mixing ratio is if you measure by weight.

Hi Marilynn, I’m afraid there isn’t a way to add part B to the part A and this point and mix it well. You’ll have to scrape out your Part A and start over.

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PLEASE HELP ME! I was busy talking yesterday while pouring and at that time I didn’t notice my mistake. I had earlier poured the first layer into my mold. Everything with that was great BUT the next layer I used only part B and thought at the time I used both A and B. So I poured the ‘mix’ on top of first layer with no part B!! What can I do ? Dump the wet layer back into the cup see how much pours back and batch it with part B? Mix and report??? Darn I don’t want to lose all my work. Please let me know asap. Sincerely Marilynn

Measuring inaccurately is one of the biggest mistakes I see in resin crafting, especially with beginners. It’s vital you use graduated mixing cups (cups that have measuring marks on them) to do your measuring.

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When using two-part resin kits, you’ll get a bottle of resin (part a) and a hardener (part b). The chemicals don’t harden by themselves. But, once you mix them together, the mixture heats up and solidifies in minutes to hours. Each kit has specific directions explaining how much of each to mix together to make this happen.

Every resin kit has specific instructions that apply only to that kit. For example, you can’t assume that all resins mix together in a 1:1 ratio. If you use a resin that combines two parts resin to one part hardener, but you mix one part of each, you will definitely use too much hardener.

Pot time, also known as open time, is the time you have to use the mixed resin and hardener before it starts curing. When using too much hardener, the mixture heats up too quickly and may flash cure before you ever get a chance to use it.

At some point when you’re crafting, you might wonder what happens when you use too much hardener in resin. Or maybe you just realized you did, and you’re asking yourself if your resin will cure okay. There are a few things that could take place. But before we get to that, let’s discuss what resin is and why hardener is essential.

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Carefully follow the resin kit’s directions for mixing. Many two-part resins measure by volume, not by weight. If you measure by weight, you will almost always use more hardener than is needed.

Transposing a Rx prescription is simply converting the prescription from minus cylinder notation to plus cylinder notation. The optical properties of the prescription remain the same.

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Premium Epoxy Resin, Colors and Molds for Art and Crafts » Resin Frequently Asked Questions » HELP! — I Added Too Much Hardener In Resin

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I customized a skateboard for my boyfriend and casted it in resin. This was the first time I’ve used two part resin instead of uv resin and I ended up adding too much hardener. Do you think this will affect my design? I used acrylic paint for the design and it was fully dry like over 48 hours dry. Do you think he’ll still be able to ride it if he wants?

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I’ve been there too. I remember how upset I was spending hours on a project only to have it cure sticky and full of bubbles. Then, I figured out that there were a few key things to know to ensure I made something I couldn’t wait to show off. I’ve detailed them all in my ebook, Resin Fundamentals. For less than the cost of a resin kit, you can go from confused to confident with resin in only an afternoon.

Why are there plus and minus cylinders? Plus cylinder lenses exist only in phoropters and trial lenses. Plus cylinder phoropters are popular because it is easier to teach retinoscopy in plus cylinder. Ophthalmologists typically learn retinoscopy and refraction in plus cylinder. Optometrists typically use minus cylinder.

I’m having issues with the platinum 1:1 ratio. I have been measuring part a& b with silicone measure cups equally but I run out of part a and have about 2 inches left of part b. How is that? So my husband said to just pour them and measure the bottles to keep them even. But then I’m using a half more of the part b. What should I do?

Resin kits are meant for you to run out of both bottles of product at the same time. While it isn’t unusual to have a little bit left of one liquid, you don’t want to have a lot of Part A resin leftover that you have to get rid of. (You should never pour resin liquids down a drain or throw them away in your trash.)

Depending on the resin formula, your resin might cure harder than expected. But with other formulas, your resin may cure bendy and soft. Yep. It doesn’t make a lot of sense, but having too much hardener leads to curing problems.

If you’re lucky enough to know immediately that you did it, don’t use that resin. Get it somewhere it won’t cause a fire as resin can get very hot and smoke. If you realize this later, it’s probably because something didn’t turn out as expected.

Yes, heat is good to speed up resin curing, but it should come from other sources that you can control. You can use a heating pad, small space heater, or a toaster oven dedicated to resin crafting to help speed the process along.