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Description
Pro PCTG, Metallic Copper, 1.75mm3D Fuel Pro PCTG is like PETG but better in many ways. It is tougher (up to 30x tougher than PETG), more chemically resistant, and has even greater clarity than PETG. Pro PCTG is an easy to use material with a lower moisture absorption rate than PETG and doesn't require an enclosure use it just like PETG. The broad color selection and ease of printing make it an ideal choice for printing in a multi color 3D printing system like the Bambu Lab AMS.
3D-Fuel Pro PCTG is like PETG but better in many ways. It is tougher (up to 30x tougher than PETG), more chemically resistant, and has even greater clarity than PETG. Pro PCTG is an easy-to-use material with a lower moisture absorption rate than PETG and doesn't require an enclosure - use it just like PETG.
The broad color selection and ease of printing make it an ideal choice for printing in a multi-color 3D printing system like the Bambu Lab AMS.
Print Profiles
Print profiles for Pro PCTG on the Bambu Lab printers are available here.
Bambu AMS Compatibility
Since October 2023, the 3D-Fuel Standard PLA+ has been manufactured using an AMS-compliant spool (more info on our spool sizes and weights). Since it takes time for some colors to move through our warehouse inventory, you may receive an older spool type. This is still compatible with the AMS, but you must leave the lid open a few mm.
Pro PCTG is 20-50% More Impact Resistant Than PETG
Key Reasons for Better Impact Toughness:
-
Molecular Structure:
- PCTG contains cyclohexane dimethanol (CHDM), which gives it increased flexibility and toughness compared to PETG’s ethylene glycol structure.
-
Flexibility vs. Brittleness:
- PCTG is more ductile, allowing it to absorb and dissipate energy during impact without cracking or shattering.
-
Layer Adhesion:
- PCTG has better inter-layer bonding when 3D printed, reducing weak points in the structure where impact forces might cause failure.
Real-World Implications:
-
Drop Resistance:
- PCTG parts are less likely to crack, chip, or break when dropped, making it ideal for high-impact applications like enclosures or wearable devices.
-
Repeated Stress:
- PCTG can endure repeated bending or sudden forces better than PETG, making it more suitable for hinges, clips, and flexible parts.
-
Durability in Extreme Conditions:
- PCTG resists embrittlement under low temperatures, maintaining its toughness in environments where PETG may fail.
Example Use Cases Benefiting from PCTG's Toughness:
- Protective housings for electronics or tools.
- Drone parts and propeller guards.
- Flexible clips, snap-fits, and living hinges.
- Impact-resistant containers or enclosures.
Chemical Resistance
| Chemical Type | Examples | PCTG Advantage | PETG Limitation | Comparison (CRR) |
|---|---|---|---|---|
| Alcohols | Isopropyl alcohol (IPA), ethanol, methanol | Resists prolonged exposure without degrading or cracking. | Degrades or stress cracks with high alcohol concentrations over time. | 1.8 |
| Hydrocarbons | Hexane, heptane, gasoline, mineral spirits | Better resistance to hydrocarbon-based solvents. | Softens or weakens when exposed to hydrocarbons. | 2.0 |
| Acids | Acetic acid, citric acid, phosphoric acid | Maintains structural integrity in mild to moderately concentrated acids. | Degrades faster in acidic environments at higher concentrations. | 1.4 |
| Bases (Alkalis) | Sodium hydroxide, potassium hydroxide, ammonium hydroxide | Better resistance to strong alkalis. | May crack or degrade when exposed to strong bases. | 1.33 |
| Cleaning Agents | Bleach (sodium hypochlorite), industrial degreasers, detergent solutions | Withstands harsh cleaning agents without discoloration or damage. | Discolors, cracks, or loses properties with harsh cleaning agents over time. | 1.5 |
| Oils and Lubricants | Engine oils, hydraulic fluids, cutting oils | Resists degradation from prolonged exposure to oils. | Absorbs oils over time, potentially leading to swelling or weakening. | 1.6 |
| Ketones | Acetone, methyl ethyl ketone (MEK) | Performs slightly better in low-concentration ketones. | Softens or dissolves more readily in ketone-rich environments. | 1.2 |
Pro PCTG Has Lower Moisture Absorption Than PETG
-
PETG:
- Hygroscopic: PETG absorbs moisture from the air, but at a relatively low rate compared to more hygroscopic materials like nylon or TPU.
- Moisture Absorption Rate: Approximately 0.2–0.3% by weight after prolonged exposure to humid environments.
-
Effects of Moisture:
- During printing, moisture in PETG can lead to stringing, bubbling, and surface defects due to water vaporizing in the hotend.
- Mechanical properties (like impact strength) can slightly degrade over time with prolonged exposure to high humidity.
-
PCTG:
- Slightly Lower Moisture Absorption: PCTG absorbs less moisture than PETG, typically around 0.1–0.2% by weight.
- Improved Resistance: Due to its cyclohexane dimethanol (CHDM) component, PCTG’s molecular structure makes it less hygroscopic and more resistant to moisture-induced degradation.
-
Effects of Moisture:
- PCTG generally performs better than PETG in humid conditions, retaining clarity, toughness, and dimensional stability for longer periods.
Why the Difference?
-
Molecular Structure:
- PETG’s glycol modification increases flexibility but leaves the material slightly more hygroscopic.
- PCTG’s modified structure with CHDM reduces the polar sites available for moisture interaction, resulting in less absorption.
Practical Implications:
-
3D Printing:
- PETG: Requires drying more frequently, especially if exposed to humid environments, as even slight moisture absorption can lead to print defects (bubbling, stringing, poor adhesion).
- PCTG: Requires less frequent drying, making it easier to handle in environments with higher humidity. It is also more forgiving if printed without drying.
-
Storage:
- Both materials benefit from being stored in airtight containers with desiccant.
- PCTG will be less prone to degradation if exposed to moisture for extended periods compared to PETG.
-
Long-Term Use in Humid Environments:
- PCTG is more stable and less likely to lose mechanical properties over time in high-humidity settings.
Drying
For both materials, drying before printing and proper storage is recommended for optimal performance, but PCTG is less maintenance-intensive in this regard.
When you need to dry Pro PCTG, use a temperature of 60-70C for 4-8 hours.
Available In 25 Colors
| Color Name | Display | Hex Code | Closest Pantone® |
| Natural | Clear | Clear | |
| Brightest White | #EBECEA | P 179-1 U | |
| Snow White | #F2F2ED | P 1-1 C | |
| Desert Tan | #C1AC98 | 15-1309 TPG | |
| Flat Dark Earth | #977B6C | 4257 CP | |
| Chocolate Brown | #58413B | P 67-16 C | |
| Bubblegum Pink | #EAAAB6 | 4064 UP | |
| Grape Purple | #5E528F | 7679 CP | |
| Cobalt Blue | #0C3681 | 2736 CP | |
| Ocean Blue | #0069A4 | 2935 CP | |
| Olive Green | #545746 | 176-15 C | |
| Grass Green | #4D9D5A | P 139-8 U | |
| LulzBot Green | #C8CB18 | 14-0443 TPG | |
| Daffodil Yellow | #FFC02C | 109 UP | |
| Tangerine Orange | #EF744C | 16-1349 TPG | |
| Fire Engine Red | #C73229 | P 52-16 C | |
| Iron Red | #8A292A | P 54-8 C | |
| Metallic Copper | #894D3F | 7601 CP | |
| Metallic Gold | #C58F4C | 16-0950 TPG | |
| Metallic Silver | #7D8081 | Cool Gray 11 U | |
| Industrial Gray | #858B8D | Cool Gray 10 U | |
| Charcoal Gray | #4D545A | 296 UP | |
| Midnight Black | #353535 | 19-4006 TPG | |
| Fluorescent Orange | #EA7A68 | P 45-5 U |
Additional Filament Information
- Recommended Printing Temperature: 260-280C
- Recommended Bed Temperature: 70-80C
- Bed Surface: PEI, heated bare glass, BuildTak, WhamBam
- Recommended Print Speed: 60 – 250 mm/s
Quality:
All 3D-Fuel 3D printer filament is manufactured in the United States. We have complete control over the manufacturing process and can ensure consistent quality for every spool. Learn more about 3D-Fuel filament quality.
Diameter Tolerance:
Variable 3D filament diameters can cause significant problems in your 3D printer. We use a multi-axis laser measurement system to control our filament diameter and ovality in real time during production.
Packing Information:
A full 1kg (2.2 lbs) of Pro PCTG plastic filament arrives on a durable plastic reel compatible with the Bambu Lab AMS. The reel is vacuum-sealed with a desiccant packet to keep out moisture.
Test Printing:
The 3D-Fuel test lab features multiple brands of 3D printers, including Bambu Lab, Creality3D, Prusa, Raise3D, MakerBot, LulzBot, FlashForge, and more. We use what we manufacture in our 3D printing operations to ensure that our filament provides the best quality possible.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Good keyboard but it takes time to adjust.
Color: Black, Color: Black
I had a prior version of this keyboard (the Microsoft Natural Ergonomic Keyboard 3000) for my office PC. It did admirably, but after a year or so, my wrists were starting to hurt IN SPITE OF the ergonomics helping. This one is better rated. So far, it has helped, but it took at least a week of use just for my hands to BEGIN to get used to the differences. I'd do a pro/con list, but I'm not sure there are any "cons" as compared to "issues to expect" if you buy this keyboard.
1. Expect a steep learning curve to get used to the layout. The "bend" in this keyboard is significant, and it will take time for your fingers to get used to hitting the right keys on a consistent basis. Give it one or two weeks of regular use before deciding if you like it or not. You can't know in a couple of days if it's helping you because you do need to re-learn your hand placement and fingering to some degree.
2. There is a physical break in the left and right hand keys. This "no man's land" means you need to unlearn using the wrong hand for the wrong keys because you will either miskey or just hit nothing when you go to use your right hand to it the G key (or a similar situation). Likewise, some of the keys have an odd shape that takes getting used to. I had considerable issue getting used to hitting V and B correctly. Again, this is all about relearning how to keyboard properly. My best tip is to avoid looking at the keyboard while typing. For me, looking at the keyboard made it harder compared to just backspacing and repeating until I got it right. Passwords are about the only thing where I still watch what keys I strike.
3. This keyboard is wider and "taller" than most. If you use a keyboard tray, clearing it might pose and issue (see next point below). You will likely have less room for your mouse as well, but I found it something I could live with.
4. The keyboard has three (maybe four) resting positions. There's a removable front skirt that elevates the front. There are the standard rear folding supports to elevate the rear. So, that's resting flat (none), rear elevated, front elevated, and both elevated. Lying flat, the keyboard works fine with my keyboard tray. Set the way I find it's most comfortable for me, I can only push the tray in halfway before the keyboard hits the desk. This isn't a deal breaker for me, so I'll live with it. You keyboard tray may need to allow at least 3 inches of vertical clearance to not have an issue with this keyboard.
I was divided on four or five stars, but since I need this more extreme curve to deal with wrist pain, it's not the product's fault, so I won't hold the awkwardness of it against the designers. It does what it's designed to do for a good reason. That comes with a trade off.
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Reviewed in the United States on January 3, 2017
★★★★★ 4
I was glad I bought it until four or five months later...
Color: Black
I am now about a week and a half into using this keyboard. It is the first time I have used an ergonomic split keyboard. I am a medical transcriptionist and type for a living. At first I found it awkward, I kept reaching too far for some keys, and it seemed that I was always missing the right-sided home row by one key. Now I find that I'm not thinking about the keyboard at all, which means it is working well for me. I find the key "touch" to be a little on the firm side, which means that I occasionally miss a letter because I didn't push hard enough, but I think over time I will adjust to that, too. This keyboard does not "click" when you type, which means it is generally quiet. Personally, I prefer the clicking, but for work, I wear a headset and don't hear the keyboard at all, so this is not an issue. Of course, with the need to press the keys harder, there is more thumping than I think I would normally hear when I type. As far as the alignment, it seems excellent. I have rheumatoid arthritis, which is well controlled, but I still have some stiffness and loss of range of motion in my fingers and wrists, and the angles of the keyboard seem to be perfect for me, and I don't feel as much strain as I used to in my wrists after working all day. There is one thing I wish was included, and that is a lighted keyboard. I have never had one, but I have worn the letters off the keys of several keyboards, plus it would just be helpful to be able to see the keys more easily for those times when you don't have bright light or so your eyes don't have to adjust to dim lighting after staring at your bright monitor screen for a long period of time. After less than two weeks, I can already see shiny spots on the space bar and some of the most-used keys, so I know the letters will start wearing off soon. Not a big deal, but a lighted keyboard would be a really nice feature, perhaps an option that could be offered in the future. If you are considering this type of keyboard, I think it is worth the minor aggravation of needing some time to get used to it. My impression is that my hands and wrists will be thankful I made this purchase. UPDATE JULY 22, 2015: The keyboard started acting strangely yesterday morning, some keys not working at all, some keys creating the wrong letter or digit, and the period key seemed to be stuck. I tried to file a claim using the extended warranty, but because it was still under the manufacturer's warranty, they told me to contact Microsoft, and they gave me the wrong phone number for Microsoft. Microsoft wanted the keyboard to be shipped back to them in California, and they would send a replacement AFTER they received this one. I use the keyboard for work, and I don't have a week or more to wait for a replacement. I asked for my money back, which they agreed to do, BUT they then sent me on a wild goose chase trying to make that happen. It seemed that no one with Microsoft had any idea of how to help me and they didn't seem interested at all in helping me, although one person I spoke to at one of the wrong numbers I was given was very kind and helpful in spite of my anger and frustration (thanks, Sachin!), but he couldn't help me either, and he said I needed to contact Amazon. This was definitely NOT Amazon's problem, but you know what? They made it right. No arguments, no questions, no lengthy explanations, no making me feel like I was trying to take advantage of them. I asked for their help, and they apologized for the troubles I had experienced and sent a new keyboard. I have heard people complain about Amazon, but as far as I'm concerned, they are AWESOME. Microsoft and Square Trade Warranties not so much. This keyboard should have lasted longer than a few months, and Microsoft's customer service was horrible when I needed help, so when I have to purchase another keyboard, I probably won't buy another Microsoft product. That said, I have been very happy with the layout of the keyboard and I wish it hadn't malfunctioned so quickly.
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Reviewed in the United States on March 25, 2015
★★★★★ 5
Wonderful keyboard, VERYuseful programmable buttons aplenty. Only problem: Intermittent connectivity problem with wireless unit.
Color: Black
I really love this keyboard, having used "ergonomic" keyboards for a great many years now, and using nothing else.
The design is really nice, with the split keyboard being an increasingly rare thing to find these days. Almost no models made by anyone offer such a design, but even if there was more competition of this type, I still think this keyboard is great.
The programmable buttons (MANY of them) are a huge plus. You can program most of them to do all kinds of things, including opening often-used documents or websites for you, or running macros you write.
The buttons that are intended for specific purposes, though, are so well thought-out that I leave most of the button assignments as they are. For example, the buttons dedicated for increasing, decreasing, or muting the speaker/headphone volume are VERY useful very often. And the calculator button also gets a lot of use. Others are the same: very well-thought-out standard assignments doing things I do often (and that presumably most people do often), and once you get used to the fact that now you have a button that does what you want (at first, you'll do it the slower way requiring many more button presses &/or mouse pointer clicks), this keyboards full functionality really shines through for you, and you can't imagine how you could use anything else!
The removable palm rest is another great feature, by the way. Since I use this on my lap, and the bottom of that thing isn't comfortable at all that way, I'm very happy it comes off. And it goes on and off very quickly and easily, in case you want to move it back and forth between a non-organic surface and your lap.
The only problem I have with this keyboard in its wireless version (I have both cabled and wireless ones) is that with many positions I get in, even when the keyboard is VERY close to the receiver plugged into the USB jack on the front of my computer, it won't work at all many times. But when the keyboard is in other positions that have NO line of sight to the receiver, it works fine. It's very particular that way, with some orientations that seem like they'd make for very easy connectivity being impossible to use, while other orientations/distances that seem like they wouldn't work work just fine. Go figure. But once you learn its oddities, you can work around that by moving the keyboard and/or the receiver plugged into the computer so that it works. I do still find it annoying that it seems like the most comfortable positions I want to be in often seem impossible to make work, even with very close proximity. Using the wired version, of course, removes this problem entirely. But I think that the connectivity of the wireless version should not be so touchy and idiosyncratic, and would describe it as a "design flaw." I would have to say that, overall, this isn't enough to warrant deducting a star, though.
Overall, though, I'd say it's a great keyboard, and highly recommend it.
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Reviewed in the United States on November 16, 2013
★★★★★ 5
Good all around design with plenty of functionality; best design especially for this price. Very comfortable ergonomics.
Color: Black
The ergonomics of this keyboard are very helpful. I've purchased this same keyboard many times over the years (they wear out). It takes some getting used to, but I love it. It's a more natural position. I'd like it better if there was more space between the two sections of keys, but I would assume they were trying to keep the footprint similar to a regular keyboard for space reasons.
This made a big difference in my neck and shoulder pain and I don't experience any wrist pain like I do when using other keyboards.
I don't know if they still make the wireless version, but I can't recommend that as it wears out even faster than the wired keyboard. And that leads me to the one real drawback - they wear out too quickly. Usually the letters on the keys wear off first, which usually isn't a big issue since I don't look at the keyboard much, but when I do, it's a pain that the keys no longer show the some of the letters. The keys themselves begin to wear out. It seems to me it happens faster than it did years ago. They used to last a few years before they keys stopped responding well (nothing happens when you hit the key and then suddenly you get a jumbled mess), but in recent years, it seems like I need a new keyboard every two years. I suppose that's one way to make sure your product continues to sell. Also, initially the keys are fairly quiet, but it doesn't take long before they're quite noisy.
In comparison to other ergonomic keyboards, this one has the best design in the lower price range. Others with better designs run into the hundreds. I highly recommend this keyboard.
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Reviewed in the United States on July 13, 2017
★★★★★ 5
1 Year Later....Still going Great
Color: Black
Ok, I have had this keyboard since June 28, 2015 and today is July 4th, 2016.
Having thought about this keyboard over the last year and then swapping it out for a standard Dell (non ergonomic) keyboard for the last two weeks has made me realize a few and not so few obvious things:
1) Footprint of ergonomic keyboard on desk is larger than most that I can recall. Not a con but keep that in mind if your computer desk is on the smaller side
2) Build Quality. You buy a top tier (Microsoft, Dell, Lenovo, HP, etc) business OR retail keyboard for a decent price, one EXPECTS minimal issues. There are two issues that have cropped up over the course of the last year: a couple of the tabs holding the snap on palm rest have broken off. The palm rest/riser plastic piece is still firmly attached. My guess is that these plastic clips were put in high stress areas. No loss in functionality. The CAPS LOCK LED light that is in the middle doesn't really work anymore. If I hit the caps lock with my left pinkie finger, the light doesn't come on. If I smash the same caps lock with my thumb or index finger, the light comes on and then goes out. Windows 10 always tells me via the popup message if my caps lock is on. No loss in functionality.
3) Key labels have not worn off. The letters are a bit faded but are still clear. The number row above the keys are virtually pristine (and by extension are used for the comparison of the letter keys).
4) This is a very good ergonomic keyboard. Within a couple of days of the swap, my wrist and left finger were starting to have that familiar hurt.
I could go on and on about the specifics that some have posted in other reviews, but I feel that this is relevant to my use after a full year
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Reviewed in the United States on July 4, 2016