nFEP Film Sheet 200 x 140mm Thickness 0.125mm for E6/X1 and Other 5.5/6 inch UV Resin 3D Printers, Pack of 3 Films

First of all, this is a great product- I'm not sure exactly WHAT it is, but it's not FEP... Whatever it is, though- it works. And, works well. I have replaced the original FEP sheets in the machines I use for production with these. I DO have an EPAX X1 Printer, which I also really love, and of course I use the Non-FEP sheets in that. But, It's going in EVERY printer once I have a chance to do so. What makes it better?? It's hard to be objective in a review of a product like this, because there is no really easy way to measure what makes it better since there are so many variables in SLA printing. But, I have far fewer failures with this film caused by prints sticking to the FEP. It also seems to last longer between replacements. Now, the company. You can't ask for better customer service- They are prompt at replying to inquiries, knowledgable about their product, and willing to help customers. They are also very proactive when it comes to customer satisfaction- The last set of FEP sheets that I ordered had a mistake in it, they shipped only one sheet rather than three. I didn't catch the mistake- as I had just put them on a shelf to use later- but I got a letter from them, along with the missing sheets, explaining that they had made an error, and were correcting it! That's what I call service.

Despite the fact that calling it "non FEP film" means it could probably have been a sheet of generic Saran wrap without counting as false advertising, this stuff is definitely the stuff you should buy and keep on hand for when the original FEP film gets damaged. It is very obvious that it releases the prints better; I think I might have installed it a little too loose (you are supposed to put a plastic bottle cap or thin piece of foam under it when screwing it into the frame, so it doesn't get stretched too tight and get damaged when you then screw the frame into the resin tank) as I can hear it lifting up with the model a little bit before popping off between layers, but even so my prints are all fine and there has not yet been any signs of damage to this film beyond some minor, shallow scratches (which I would expect with FEP as well). The only reason I took a star away from the value is that it is really easy to damage a sheet before even installing it, such as bending/putting a hard crease into a sheet as you are getting ready to install it because of its staticky nature making it tough to handle gently. I don't know if there is any real solution to this, but it does mean your 3 pack might become a 2 pack really quickly.

(To no fault of this FEP) The first sheet of this FEP I used resulted in about 10 straight print failures that left a lot of hardened resin on the FEP itself. Shockingly, when I finally discovered my base problem with the printer and resin (again, not the FEPs fault), I ran another print with the SAME SHEET that endured 10 failures before and the print came out FLAWLESS. Before buying this, a print failure of this caliber almost always resulted in an immediate replacement of the FEP and a couple more dollars down the drain. Obviously, this sheet didn't last a ton longer having been treated pretty brutally, but how well it performed after so many failures is a true testiment to the incredible engineering that went into this product. I'm never buying another brand again.

Used on a Voxelab proxima 6 4k. Releases perfectly. I don't hear the usual drum sound when the bed pulls away from the nfep. Was a bit of a pain to punch holes in it but I had a punch to accommodate the two sizes of holes. Seems worth the cost and trouble.

I've used several other brands. None have been bad but the quality of this film is the best I've seen so far. Most others have very slight ripples that don't always stretch out or handling defects that usually end up right in the center. Im detail oriented and although most of the issues are irelavant from a functionality standpoint, it still bothers me. This stuff has little to no defects. My choice from here on out

Product works amazingly well and it is hands down the best fep I have used. My only complaint is that the sheets are filthy when taken out of the package. Covered in tons of specks and some sort of adhesive dingle berries. I was able to gently clean them with microfiber rag and some water without damaging the fep or I should say "nfep". I recommend trying these sheets if you are having fep sticking issues.

[UPDATES AT THE BOTTOM] [If you see this review on Youtube posted by "Lisa Woods", DO NOT CLICK ON ANY LINKS. That is a scammer/bot/asshole copying Amazon reviews.] Got around to installing this on an Elegoo Mars 3D printer a few days ago, I've printed several almost-full plates with no issues. No need to clean or aerate the film between sessions. Re-level and find Z Home again if this sheet is a different thickness than your old FEP. The usual SUCCC-POP! peeling sound heard when the buildplate rises after printing bottom layers is greatly reduced (though it's still loud when the plate is full). If the next time I empty the vat this non-FEP film isn't all dinged up, I'll bump up the rating to the max. If you're printing small stuff with standard gray/white resins I say stick to the cheaper FEP sheets. This non-FEP stuff (whatever it is) is probably better for black resin, if you print items with large surface area, or other stuff that's notorious for its reluctance to adhere to the buildplate. === [UPDATE 4/10/20] I must be at least on the 30th print session by now, mostly full buildplates, and this film is in way better shape than ordinary FEP. When you print the same thing constantly, the film will get dings from supports eventually, but they're a lot fainter with this film. [UPDATE 1/13/2021] It's incredible that the same sheet from almost a year ago has held up so well. The only sign of deterioration on the sheet is a hazy patch near the middle that gets heavy use. I've simply moved models off that area and they still print just fine. I think it's important that you get your Z Home right for maximum durability. This is so the build plate doesnt lower more than it has to and prevent dinging the sheet with the supports as they print.

I was super excited to get a Sonic Mini 4K printer, but then incredibly disappointed by failed print after failed print which wasted many hours of my life. I sanded the build plate with 80 grit sandpaper each time and cleaned and lubricated the NEP film each time, but still the prints failed to stick to the build plate and stuck to the NEP instead. Only after increasing the exposure time way up did prints stick to the build plate. But of course then the prints were overcured and the detail destroyed. I finally gave up and tried this Epax NFEP film and, bingo! Successful prints the first try. Recommend. I ordered the 3 pack and I did receive 3 pieces.

I've heard this being recommended over normal FEP films for better release. I decided to give it a try and I was not disappointed. Prints that failed before on normal FEP sheets printed flawlessly using these nFEP sheets. I was also able to adjust my lift/retract speeds for slight faster printing without sacrificing quality. While these nFEP sheets are a bit costly compared to normal FEP sheets, I think the extra cost is justified as I expect I will have less failed prints and will be able to print slightly faster. I'm using these on a Anycubic Photon Mono with a Solvo 3D VAT.

I got a bad batch of Elegoo films and by the time I started using them it was too late to return them. This n-fep by Epax is a good investment, you'll have a lot less print failures and save money on resin in the process. Theoretically it should be more long-lasting as well, I noticed my other FEPS quickly got little depressions where model supports stayed in the same place over multiple prints. This stuff remains unblemished so far.

I've used these on a Mars 2 pro and Phrozen Sonic Mini 4k. I won't use anything else, they're observably less sticky than regular FEP sheets, and lead to less failures. They're expensive but if you're careful these will last a long time, and at the end of the day have probably saved me more money from reducing failures than it would have been than just buying regular sheets. Keep in mind though that these still require proper printer settings, they're not magic and wont' magically fix issues if it's not related to FEP stickiness.

Buy this nFEP instead of regular FEP sheets, it will drastically reduce the number of print failures that happen. It's really that good.

2 of 3 sheets were defective. One with black spec in print area and another with a puncture. Lack of quality control.