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SainSmart PETG-1KG1.75 PETG 3D Printers Filament, 1 kg/2.2 lb.
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- 1.75Mm filament diameter (dimensional accuracy +/- 0.05Mm)
- Pet 3D printer filament vacuumed sealed with desiccant
- Recommended extrusion/nozzle temperature 180°c - 220°c (419°f - 455°f)
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||SainSmart Official||INTSERVO||INTSERVO||INTSERVO||Polymaker LLC||Micro Center|
|Item Weight||2.91 lbs||2.2 lbs||—||2.2 lbs||2.2 lbs||2.2 lbs|
|Material Type||petg||PETG (Polyethylene Terephtalate Glycol-modified)||petg||petg||PETG||PETG|
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SainSmart 3D Printer Filament * SainSmart 3D Printer Filament provides quality ABS/ PLA/ PVA/ HIPS/ PETG/ TPU and Wood 3D filament with vibrant colors. It is professional to enable you to see your thoughts and concepts engineered into a real and rewarding reality. * This filament is always round, with no oily residue, no air bubbles, and it comes loaded on a quality spool. * The quality of the filament is of great quality, and no kinks or breaks. Best choice for perfect printing! Feature * PETG filament is a close cousin to PET (Polyethylene terephthalate) filament. PETG is a new updated version that has enhanced properties. The optimum print temperature is between 215°C - 235°C. Please note that different printers print at slightly different temperatures. * PETG filament has minimal shrinkage and warping. The filament has easy adhesion, so it can be printed on acrylic, glass, polyimide (KAPTON) tape, blue tape, and others. A heated bed is not required. * PETG filament has good flexible strength more than ABS filament. It's the perfect filament to combine strength and flexibility, which is why it's used in so many mechanical parts or robotics. The filament is super transparent with a glossy finish. It has great chemical resistance with good acidic and alkali resistance. The superb chemical resistance is why the FDA has approved PET as acceptable for direct food contact. The filament is environmentally friendly and recyclable. PETG is known for it's transparency and clarity. Frequently Asked Questions 1) Filament not extruding properly? A: Check the type of filament you're working with and set the proper extruder temperature based on the filament type and heated build Platform if applicable.
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Anyway, over the week or two that I've had this stuff, I've definitely fallen deeply in love with it, and that's why even though I had a friend tell me "Just stick to PLA" (geeeeeeez what a wussy attitude, really), I committed myself to learning to use this filament well. And it is GOOD. People are 100% spot on when they say that once you find the "sweet spot", it prints beautifully. It does, truly. One other reviewer likened it to printing in crystals. To me, the look is very reminiscent of sugar crystals when it is printing grainy stuff, and a very satiny nylon when printing fill. Dense layers take on a somewhat foggy transparency. Note, I said TRANSPARENCY. If you play it right, you can make low quality window or lens material right out of the printer. I made a little disc window piece for a sensor project using it, and it really surprised me how well it did. For that, I strongly suggest printing in 100% density in lines or rectilinear, in very fine layers of like .1mm or less. When it finishes, you'll be able to see the lines of the print, but it will be largely water clear. Now, prepare to be blown away... Lay it down on a piece of cardboard and spray it over with clear lacquer or enamel, let it dry and repeat on the other side. The various pits and tracks on the surface will be filled and smoothed and once it degasses itself, it will take on a glorious crystaline beauty.
This stuff is very well behaved once you find those perfect settings and establish some environmental control to keep things stable. Stringing is minimal, bonding is excellent, the resulting parts are tough and clean and have great heat resistance for harsh environments. Acetone will soften it, so don't abuse it too much chemically. Also, they say that PETG is low on the water absorption scale. Maybe it's because I live in Florida, but mine is definitely showing signs of "wetness". Frankly, anyone who owns a 3d printer eventually needs to think about these issues, so I strongly suggest having some way of dehydrating your spools. I'm thinking of getting a food dehydrator to that end, so I can do a couple at once and dry them out reasonably rapidly.
Oh, also, expect flecks of your previous filament to wind up in your prints at first. My previous spool was some ESun black PETG and I have turned out quite a lot of the clear PETG with bits of black in it, and sometimes streaks of something like amber. A large part of that is because the black PETG got all over the outside of the nozzle and hotend during my newbie mistake filled training days. The minority is bits still working their way out of the interior of the hotend and nozzle.
All told, and even with the many headaches I've had while learning how to use this stuff, I adore it. I won't use it for everything, just special things, but I really do like it. Even with the two little chips out of my glass, I still love it. Do yourself a favor and look into PEI, or experiment with hairsprays and glues and etc. It truly is worth the effort in the long run.
I just found out the key thing with this filament, **no print cooling fan** if you have the fan on, you will get weak layer adhesion, and a cloudy milky color. with the fan off everything works. take a look at the last picture. it is very strong and clear enough to see through.
This filament is a 5 star! it is exactly what i wanted.
I must have a bad spool. the prints i got, when i was able to get more than an snarl of filament building up under the printhead, were weak and opaque white. I wrote repeatedly to sainsmart and got a couple of replies, usually with a long delay, my last message asking to exchange for a different role since mine did not look like the specifications they mention (it was a white spindle with a very small hole and very wide. and the filament seemed to have humidity issues) I got no reply. Today is 6 days after my last message to them and they have still not replied. I'd rather have a working spindle of material but I have no other option but to return since they are ignoring me email.
Update : sainsmart got in touch shortly after this review was posted. It turns out my last email was considered spam by Amazon and didn't hit their inbox. I have a replacement spindle on the way. Fingers crossed this will be the answer
Update: Finally got it to stick, but then I had lots of under extrusion problems. Finally my extruder just stopped, took a bit of work but I got the filament out of the Bowden tube. The filament measured 2.56mm, and shortly after that it measured 2.05mm, no wonder I was having extrusion problems. Sending it back.
Printing temperatures are very finicky, burns fairly easily, and it doesn't seem to like being extruded a bit cool. I expected something a bit more like PLA as far as thermal characteristics and ease. I am going to try it on my smaller printer with a fiberglass bed; my usual printer is extremely large and I use a 12 pound aluminum plate as the bed surface, heated, and with my own emulsified bonding agents.
The product seems to be well manufactured, but is difficult to work with. I really wish it was easier, since it's so flexible it could be very useful.
Sainsmart PETG was my choice for dependability for almost a year, but of (8+) rolls total acquired within the past 4 months each roll of the 8 rolls proved undependable generally failing because of "grinding".
I have had some success minimizing the probability of grinding in the past, but this time the grinding did not end and I have put the Sainsmart PETG off to the side in favor of PLA.
I have found dependability with PLA by PolyPlus and A10 Robotics. However PolyPlus does not age well if the sealed package is opened.
I had 5-partial rolls of PolyPlus that were not resealed with a vacuum, and after 5 months I discovered that the rolls had split into 6 inch lengths of unusable material. I have not had the issue with other brands of PLA.
Most recent customer reviews
It is nearly as easy to print as PLA, it handles warm temperatures very well, sands easilly, accepts paint/glue without issue, and looks...Read more