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🖤 Tough, flexible, and fast—print like a pro, bend like a boss.
SUNLU High Toughness 3D Printer Resin is a premium 1KG black photopolymer resin engineered for superior flexibility and durability, boasting 5 times the elongation of standard resins. Designed for 405nm UV fast curing, it ensures high-precision prints with low shrinkage and minimal odor. Compatible with most LCD, DLP, and SLA printers, this resin is ideal for professionals and hobbyists seeking resilient, detailed, and reliable 3D printed models.












| Customer Reviews | 4.7 out of 5 stars 217 Reviews |
S**M
Best resin for standard hobbyist!
I am very impressed by how good this resin is! I always liked Sunlu as their products are the most affordable on the market, but their Standard and ABS-like never impressed me too much (they're good, but the biggest plus to using them is how cheap they are). Sunlu's Toughness is more expensive, at around 20 bucks per KG. Typing that out, I realize how spoiled I am by Sunlu being so affordable, as $20/KG is cheaper than the ABS-like option for many other brands. And yet, it out performs EVERY single one of them easily. My settings for Standard vs Toughness are nearly identical. I just increase wait times a tiny bit, and normal exposure is .1 more. That's it. Support settings and how I support, exact same. Everything else is the same. This stuff just prints like normal resin. But it's not normal resin, it's far tougher and way more flexible than other resins of the price point. This makes it a MUST HAVE if you print out minis or scale figures. If you're printing something rock solid, like a round base, I wouldn't waste this resin on that, I just use standard in that case. But for the actual figure, this is perfect. I couldn't tell a difference in odor, and another thing I really like is this resin is slightly more viscous than other resins, even before warming the bottle. I just wished Sunlu ran sales on this resin like they do with their others!
R**Y
Must have for Wargaming
Long story short this is my new favorite resin. I'm not sponsored in any way (which is hard to find these days on Amazon reviews. I'm just so surprised I had to let people know) Previously I used a 1/4 mixture of tenacious to abs like sirayatech resin to achieve less brittle miniatures for wargaming and ttrpgs. This resin didn't have to be mixed, is actually a bit cheaper, but most importantly prints better. It took very little time to tune the exposure to a setting that worked so it's more forgiving than other resins I've used. Prints easily came out of their supports with minimum effort. The tenacious/abs like mix often had to be removed with hobby cutters. Durability; the models I printed were very flexible. Swords, staffs, chains etc on my miniatures and even after curing are still pretty flexible. I've already dropped some pieces and had my toddler run off with another and they handled great. *** As a wargamer this was the most important quality for me. They have to survive the occasional drop, bump, or toss from one house to another. Finally the detail came through strong on my 8k printer, but I still have some slight adjustments to make. I'm going to start ordering by the 2kg bottles for sure! If you have any doubts, try it! I got my bottle for 30 USD, which is cheaper than the mixture I used before. You won't regret it.
C**Y
My Go-To Resin
One of my favorite resins by far. It's been fantastic for miniatures. You may lose an imperceptible amount of detail, but you really can't tell. You do gain an incredible amount of durability though. One thing to keep in mind is you will have to add more supports than usual, because pieces have a tendency to flex while printing. that's not a problem like it might be with other resins though, because the supports basically fall off when it's done. I really don't understand how the parts can be so strong, and the supports can just fall away, but they do. It's great.
D**N
Excellent Durability
This resin is probably tied for 2nd in my top three line up. The durability is outstanding and for miniatures with arms separate from torsos but connected by a weapon or prop that additional flexibility makes a difference in preserving your sanity when assembling your minis. I print at .04 layer height for 2.8 seconds per exposure and the only print fails I had were my own fault due to lack of planning. I feel that detail is slightly less crisp with this resin than with my other preferred brand but still a step above the normal board game quality. I will def use this resin again.
T**D
My new #1 printing resin
This stuff is my new #1 printing resin. For everything. Miniatures big and small, sculptures, art work. It's great for details like tiny bows and arrows. Mainly I love it for its durability. Several times now a cat has ransacked my shelf of prints and knocked several down. So a 6 foot drop from a shelf didn't break the tiny fingers or limbs off my prints. Awesome stuff. Plus I REALLY appreciate that I can get it in a bigger bottle ! Seriously sick of dozens of little bottles everywhere. Make bottles bigger and improve value and I'm all-in.
A**R
Definitely a must buy. Specially for fidget prints
This resin is excellent. My prints have been remarkable, showcasing impressive detail. I have utilized this resin extensively, finishing an entire bottle within three days. It is very user-friendly, and with careful handling, cleanup is straightforward. As with any resin, it possesses a distinct odor, but with proper ventilation in the room, this should not pose a problem.
R**E
Solid printing goo, good goo.
Solid as always, worked great. Even mixed it in with some leftover gray and it works fine mixed also. The scent is mild and easy to work with. The cleaning is the same as always, iso breaks it down as does mean green if you want a less flammable cleaner. The color is about on bar with milk, a nice clean white. Everything printed perfectly on my saturn 16k and had no failures, plan to keep buying it for general printing.
S**E
My go to resin
This resin may cost a bit more but its worth it. No more brittle prints and no more worrying about breaking my models while removing supports. Sometimes when I'm running out I'll mix with with a cheaper resins and it still works great though at about a 60/40 mix I started to noticed less flex.
F**O
best one in the market
Decisamente la migliore sul mercato per il modellismo.
M**R
Great resin for durability
I am very impressed with just how tough this resin is. Printing with recommended setting yielded godd results. The cured resin can be drilled without cracking and sands easily.
J**E
Très bien
Très bonne résilience. Rien à dire sur le service Amazon.
C**N
My new go-to resin for minis, there is no contest
Just thought I would leave a review for this resin, after switching to it from a resin with similar purpose but much higher price. The other resin I was using (a roleplaying game resin from a very cold company) was supposed to be very flexible, and durable, and be easy to print with. Unfortunately in my experience none of these were quite true. Since this Sunlu resin was supposed to do the same sort of thing, in the same colour, with very similar density and viscosity properties etc as the other resin I'd tried, I expected a similarly difficult printing experience for a not very useful final product. However, I had heard very good things about this one, so I gave it a try. In short, all of my expectations have been exceeded, and for less than half the price of the previous resin I was using. I cannot recommend this highly enough. This will now be my main resin for all my projects until something else revolutionary comes out. Printer settings for context: Sunlu Toughness resin, mixed 50:50 with Sunlu ABS-like resin 12k Elegoo printer 0.03mm layer height 2.0s exposure time (maybe 2.05, can't remember, but around there) Mini heater maintaining a constant 28°C to ensure temperature is not an issue Printing 28mm miniatures for tabletop wargaming Ease of Printing ----- This resin is excellent to print with. So far I've gone through 2kg of this 50:50 ABS-Like/Toughness mix, and have had zero fails. None. No misprinted details either, no layer shifts, nothing. Amazing stuff. I'm churning through army projects and not having to stop to reprint 2 or 3 models per plate, like I was doing with the previous resin (and only that resin - my other resins have close to a 100% success rate too, but this Sunlu one is the only one that has a literal 100% success rate up to now, after 2kg of prints at that). This kind of success rate makes printing fun, because let's face it, the post-processing routine is lengthy and involves chemicals, so I only want to process as few prints as I can get away with. No failed prints means no extra plates to print or process, keeping everything moving, minimising the number of hours I spend suited up in PPE dunking prints in 99% IPA, waiting for them to dry, removing supports in hot water, waiting for them to dry again, curing them, etc. It all takes time, and this resin gives me confidence my time will be well-spent. This also lets me predict my projects' end dates ahead of time too, because I know there will be no (or very few) print failures to have to go back and print again. Very good printing experience. Post-processing experience ----- Please take my experience here with a grain of salt as I'm using a 50:50 mix of ABS-like and Toughness, and have never used them separately, so I don't know which resin is contributing which part to my experience here. With that said, my resin mix is quite viscous, which I believe is just how all flexible resins are. However, this does mean that a lot of uncured resin remains stuck on your prints after they've finished, even if you angle the build plate for the resin to drip back into the vat. For that reason, I wash this resin in 99% IPA in 3 stages: 1) get most of the gloopy resin off, 2) get the thin layer of resin underneath off, 3) final 'clean' wash to remove any last sticky bits in crevices. This works really well though, and this resin comes back with a lovely finish when all the IPA has evaporated off. Support removal is fine; again, the flexibility of the resin means the supports are a little more elastic than regular resins, meaning they're a little more grippy, but still easy enough to remove with some hot water. Very little support scarring too, sometimes it's not even visible, which is again great as it means no gap-filling or sanding after the models are cured. I cure it as Sunlu indicate; 5 minutes on my wash & cure turntable. Not in water - it seems fine to do this one without. You can feel the difference once they're cured, which is reassuring. All in all, easy to post-process. Resin properties ----- I got the dark grey colour, and of the various resins I've bought, this one is closest to the colour used by well-known plastic miniature manufacturers. It doesn't feel like they've just tried to copy the colour at the expense of other areas either; it's also a really nice finish, nice and matte but with a little sheen in some angles; not too transparent at the edges of details like some other resins; shows off details really really well. Really pleasing to look at - I'm very happy to spend time looking at this resin while building my minis. Again, please remember I'm using a 50:50 mix of Sunlu ABS-Like and Toughness resins, so am not sure which resin contributes which properties here - but it is an incredible resin for tabletop wargaming miniatures. Firstly, even after curing it feels kind of soft in the hand (as opposed to that rough brittle kind of feel other resins tend to have). One review I read of this resin said it's the first resin they've ever handled that feels like an injected thermoplastic, and I agree with them. It's still clearly resin when in your hand but just feels less so, somehow. Very pleasant to handle. I've even heard you can shave bits off this resin with a modelling knife, and drill into it with a pin vice - I've not tried these myself but having handled the resin, I believe both claims. It is also incredibly flexible, and bends rather than breaks. Again please bear in mind I mix with the Toughness resin, which is supposed to be the bendy one, so can't comment purely on ABS-like. However, my experience of the mix is great. Prior to this I used the widely-known Siraya Tech Fast/Tenacious mix - which was nice and strong, but even that would snap after bending a few degrees. With this Sunlu resin, after curing a sword I bent the blade back on itself, and braced myself for a snap, but it didn't snap. It kept going and going until the whole sword blade was folded in half. I then repositioned it back to being a straight blade. Then bent it in half the other way, and back! It finally snapped on the 3rd bend - but it was like the sword tore in two, as opposed to shattered into bits. I'm very very impressed. I've tried dropping a couple minis and they suffered no damage, but since I need them for my project I didn't drop them from too high! So maybe not the best test of durability I could have done. Conclusion ----- I've printed with 3 resins this year: 2kg of Siraya Tech Fast/Tenacious, 1kg of Phrozen RPG, and 2kg of Sunlu ABS-Like/Toughness. For my application of tabletop minis, the Sunlu resin blows the other two out of the water. The detail of the prints is excellent on all three, but in every other area the Sunlu pulls ahead: the finish of the resin looks way better than the Phrozen (which can look a bit gritty or chalky imo) and the Siraya Tech (which looks great apart from the heavy white pigment they use to give it its matte look, that ends up sometimes settling in some recesses). The flexibility is better with Sunlu than either other resin. The durability is better with Sunlu than either other resin. My ratio of print successes is literally 100% with the Sunlu, 99% with the Siraya Tech, and nowhere near with the Phrozen. It's incredibly easy to work with too. And reasonable curing times (5 minutes according to Sunlu*), as opposed to the Phrozen for example (which requires 30 minutes according to Phrozen*). *Please check these curing times for yourself, in case they have been updated since this review. Oh, and lastly - I haven't mentioned the price. This resin is cheaper than either other I've used. The Siraya Tech fast/tenacious mix is more expensive than this Sunlu resin, and the Phrozen RPG is more than 2x the cost of this Sunlu resin - and in my experience the Sunlu did a much better job! I don't know how they produce this resin so cheap, but in my opinion price has no impact on quality here. I think the most important thing for me is that this resin gives me confidence that the hours I'm going to spend painting my minis probably won't be wasted due to the resin breaking while I'm holding the minis to paint them, or if I lend them to my friends to play a game of battle mallet together. I was prepared to pay good money for that kind of peace of mind, but it turns out I didn't even have to. All in all, this is now my go-to resin for minis, and will be until something truly game-changing is released. I was sceptical of all the glowing comments and reviews I read online about the Sunlu resin, yet now here I am writing one myself. Very pleased.
W**G
Amazing resin with great flexibility
Amazing resin. I bought this resin after watching some videos showing its flexibility and I needed to print full face masks for a theatre project. The result came out better than expected: very sturdy, very bouncy, nice flexibility to it, survived multiple drop tests and it just bounced of the floor without a scuff. I wouldn't use this resin as my go to resin for figures and fine detail, I would use Sunlu ABS like which is just great, and sooo much better than Elegoos which used for years. However for any project that requires non brittle slightly springy resin then this is a great choice. It would be perfect for cosplayers and any project requiring a bit of flex. I'm so glad I found this resin
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