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Longhorn
Reviewed in the United States on April 8, 2025
4 in 1 Resin! You get a generous 2L of crystal-clear resin, and 3 pigments, so you can use it as black, gray, white, or the natural clear. The design is to tint the entire bottle by mixing in one of the pigments, or none. In my mind I would have guessed that you could make gray with half of the white and half of the black, but "half" means inexact measurements, so if you needeed 6 L of gray, your shades might change between bottles if you were to try and mix half black and half whire, instead you get the same gray every time. So I see the logic of including the gray pigment, but I don't usually need more than a liter of resin at a time, so in my mind the gray isn't really needed.I printed a test with the clear, I had some toy models I had been printing for a child's party, so it was handy to just do a quick test. The model came out really nice, with a top surface that was very glassy with good clarity in the inside portions I could see. The clear makes it hard to see some of the detail, but it was all there. It would have looked better with gray pigment, clear isn't always the best choice, butI still get to decide what color it is next.When processing I wanted to test how well it cleaned up. In the past I pring a good looking clear model, and it sometimes gets white areas before I'm done. I read the solution is to dry the item off with compressed air before curing. This one came out free of white marks, so bloding off the excess IPA, and then giving it some extra time to be 100% sure it was dry, and THEN cure it. That seems to work.So this is brittle, just like most resin is. I dropped the model, and a part went flying off... I have ceramic floors, dropped things get a hard knock, so things break off... Pretty much all resin prints are brittle. So that is normal. There are flexible resins to print with, but I don't have any of that...Value wise, this can potentially reduce how much inventory you need to have 4 different colors in stock. I think that is nice, but what I would rather see would be a color kit with a variety of colors and instructions on how to measure small batches... Mixed colors are less consistent, but the flexibility to have any color seems useful. Of course people with mixing errors could waste some resin, so it is a double edged sword... but I would like to see it. Sell the resin by the gallon and make colors in kits and individual pints.The value here is great, a reasonable price for a 2l bottle of resin, and as a bonus you get to make it any of 4 colors. The quality is good, and the prints look great.
L & R
Reviewed in the United States on April 30, 2025
This resin delivers smooth surfaces and sharp detail across multiple prints. Layers cure evenly with minimal odor, and parts clean up quickly in isopropyl. A dependable choice for everyday prototyping at a reasonable price.
Joshua B.
Reviewed in the United States on April 30, 2025
Iโve been printing with resin for a few years now, and this LANDU 2KG clear resin kit exceeded my expectations. Right out of the box, it was well-packaged with a leak-proof seal and included three pigment bottles (black, white, and gray), giving me some great flexibility in how I use it. For the price, the amount of resin and added customization options make this a strong valueโespecially if you're trying to minimize the number of different resins you keep on hand.I ran this resin on my Elegoo Saturn IV Ultra and dialed in the settings pretty quickly. I used 30ยฐC warming, 25-second bottom layers, and 2.8 seconds for the main layers, and the prints came out sharp, with excellent surface finish and detail. Using the resin in its natural state, I found the โclearโ is more of a translucent milky white rather than glass-like transparency. It looks clean, but it doesnโt highlight detail well, so I added the gray pigment for a few models and saw an immediate improvement in contrast and visibility.Post-processing was smoothโI had no issues with white hazing or streaks after curing, as long as I made sure the part was dry before UV exposure. I didnโt notice any harsh odor either, which is a big plus in my workspace. Like most standard resins, itโs a little brittle, so parts can break if dropped on a hard surface. Thatโs expected for general-purpose resin and not unique to this brand.The biggest advantage of this kit is versatility. Whether I want to print clear, gray, white, or black, I can mix only what I need without committing to a full bottle of each. Iโd love to see LANDU offer an expanded color pigment kit or guidance for custom blends, but even as-is, itโs a smart way to reduce inventory and stay flexible. Overall, this resin performs well, prints clean, and delivers great results at a competitive price.
D
Reviewed in the United States on April 1, 2025
Having used numerous types and brands of resin before, I can say that this standard resin prints well and very easily. I did the resin calibration on my Saturn 4 Ultra and found the ideal settings with bottom layer exposure of around 25-30s and 2.8s for normal layers. The resin was warmed up to 30C before printing and was nice, liquid-y and easy to work with. I always wear a respirator when handling resin, but I could detect a very slight sweet smell from the resin.However, my biggest gripe is with the Clear color because it wasn't clear at all. Straight out of the bottle, it had a lightly transparent milky white color which is a far cry from other clear resins I have used before. The attached photo shows my resin calibration results, with the top left object printed with the lowest exposure at 2.8s/layer. The Cones of Calibration test at that setting was perfect but again, the color is yellowish and milky. The bottle does come with some alcohol inks which you could mix in to get either a black, grey, or white color. Still, I would never call the base resin "Clear."Value-wise, this bottle was under $15/kg which I think is a very solid price when you're not buying in bulk. Overall, I think the resin is actually good and gave me great detail and accuracy. If I got this in any other color, I may have given it the full 5 stars, but I cannot since the Clear was anything but.
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