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Description
Pro PCTG, Grass Green, 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 1135 reviews
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Product Reviews
★★★★★ 4
pretty good banana plugs
Size: 5 Pack, Pattern Name: Banana Plugs
i bought these over 6 months ago and i just installed them to the front left and right floor standing speakers - sony ssf-7000 i have them for over 10 years hooked up to a yamaha 7.1 AVR.
alot of people have had trouble installing this - one single banana plug comes in 3 parts - the bottom and top (the banana plug tip) can be unscrewed.
what i did was tightened the top first (top being the tip of the banana plug) then unscrew the bottom off completely - make sure you have like 3/4" - 1" (depending on your gauge of wire) of exposed speaker wire that is straight - then thread it through the hole at the bottom up - i then rolled the exposed 3/4 - 1" exposed copper wiring into a ball that is bigger than the hole of the banana plug bottom piece so the wire doesn't fall back through where it came from. then i screwed on the top and middle piece back with the bottom piece - tightening it a bit so i know there's good contact. also make sure the tip is screwed in all the way as well as a double check. what you don't want to do is have the copper wire touch the threaded part of the bottom piece - the wire will cut off from the screwing action.
i plugged it into my sony speakers and it wasn't a real snug fit - a bit too loose to feel secure - it didn't seem to go all the way in - but it fit fairly well in my receiver. my intention was to use these banana plugs with my 2 channel set up but i decided to go pre-constructed mediabridge 12 AWG speaker cable instead - those fit my 2 channel set up on my receiver and elacs really snug and secure.
i tested it and it works fine. i didn't hear any loss of signal or any extraneous noise. none of my (14 awg?) wiring fell through the bottom and it sounds good. so no complaints there.
i bought 5 pairs - but i find that it is an odd number to include a package - even numbered pairs would be better.
anyway they seem constructed well - easy enough to install and they do work.
thanks for reading
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Reviewed in the United States on September 12, 2019
★★★★★ 5
High quality and robust
Size: 12 Pairs, Pattern Name: Banana Plugs
Easily the best plugs I've found at a reasonable price. Solid feeling with good quality and they look good with easy to see red/black labeling. The tips tend to unscrew too easily, but this is a non-issue when they are in use, just something you have to be careful not to lose when assembling. It's a bit tricky to spread the wire out evenly at the exact right length. If screwing the plug together is hard at all, go back and shorten how much wire you bend over the lip.
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Solid banana clips
Size: 5 Pack, Pattern Name: Banana Plugs
Ah yes, I used these solid banana plugs to convert my wires. It’s pretty easy to set up once the wire housing has been stripped and really cleans things up nicely. I haven’t had any discernable hissing, noise problems, or connection issues.
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Reviewed in the United States on May 25, 2026
★★★★★ 3
Get the right wire guage
Size: 1 Count (Pack of 1), Pattern Name: Banana Plugs
I rate the banana plugs themselves 4 stars. They are everything I expected and work as advertised. It's the experience of assembly that I rate three stars. The way these work is -- you strip off the outer insullation of your wire and separate the two leads (positive and negative). Then you strip some length of insulation off the end of one of your leads, you unscrew the banana plug so that it separates into its respective base (lower) and contact (upper) halves, you slip the wire up through the base, you flare the copper strands of the wire and fold the individual strands over the very top of the base (about 1/16 of an inch) (taking care not to extend the strands over the threaded barrel of the base), then you screw the upper contact onto the lower base and voila, banana plug / wire assembly. It's not as complicated as it sounds. Go to the Monoprice website and watch their excellent instructional video.
Here's the thing though. While the assembly is not complicated, it is tricky, and if you don't get your proportions right the first or second or third time, you'll have to do it over. Fist of all, if your wire guage is relatively thin, like my 16-guage speaker wire, you'll find that the entire wire, insullation and all, will slip right through the base of the plug without butting up against the bottom of the base. If this is the case, then the wire is left to sort of flop around inside the plug and that has a kind of unfinished, amateur look and feel to it, whereas if the wire butts up against the bottom of the base, it has a solid, one-piece professional look. So, to my mind, there's a sweet-spot for wire guage that works best with this plug -- not too thin and not too thick. And since Monoprice has debunked the thicker-is-better myth (the quality of the copper is the real determinant), then you should feel free to get the wire guage that fits the plug.
Next -- and here's where it gets tricky -- once your copper extends beyond the top of the base, you'll need to limit this extension to about a sixteenth (no greatrer than a fourth) of an inch. Then you very delicately flare out the individual strands, in a 360- degree arc, and fold the strands over the top of the base. This takes a fair degree of manual dexterity, especially if the wire is "floating" inside the base and its travel is not stopped where the insullation meets the base. You'll have to hold the wire and base steady in the fingers of one hand, then flare out the wire strands with either your fingers or a suitable object (the working end of a ball-point pen worked for me) with the other hand. This one-sixteenth measure is important. If you extend wire strands beyond the top and over the threads of the base, you'll find that screwing the contact end onto the base is impossible and you'll need to start over. One or two strands is OK and almost unavoidable. In that case the screwing will catch but if you take a pair of pliers to it you can muscle through. By the way, you can avoid the whole mess by getting the open-screw type, which I'm sure will work just as well without any of the hassle of assembly.
Like anything else, if you do it a few times to make the mistakes and learn the tricks, then it will become second nature, and if you've already done that, then my review might seem overly fussy. In that case feel free to leave comments to help other readers.
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Reviewed in the United States on October 15, 2012
★★★★★ 5
Wish they came with instructions...
They are cheap and work great. They plug right into my Pioneer vsx521 receiver and my Paradigm Atom monitor speakers.
I wish they came with instructions, because it took me about 10 minutes to realize the bottom part unscrews in addition to the top part.
Here are my instructions for installation:
1) Unscrew the bottom part of this connector (the thin metal underneath the red/black ring).
2) Make sure the Banana Plug (which may be loosely screwed into the top part of the connector) is fully tightened down
3) Strip your wire tips to 3/8 of an inch (or just slightly under)
4) Run the first newly stripped wire end through the bottom part you removed in step 1, such that the stripped end of the wire is entering through the flat end and exiting through the smaller threaded end.
5) Leave about 1/8 to 3/16 of an inch of stripped wire hanging past the exit hole.
6) As evenly spaced as possible, bend the over-hanging wire strands over the exit hole (all around it, like a hat). If done properly, the wire should not fall out if you give it a VERY GENTLE tug.
7) Screw the top metal part (with the actual banana plug) back onto the bottom part. It may be difficult if your stripped wire is hanging too low. I've used a pair of pliers to grip the bottom part of the connector while I twist the banana plug side with my hand.
If done correctly, you should be able to put a lot of tension between the wire and connector without removing/damaging it.
UPDATE:
I just recently helped my dad install his 5.1 system without these... it sucked... This item (5 pairs of them in this case) and a good wire stripper can save you alot of pain (both physical and mental). The connectors on the back of his receiver are the kind where bare wire comes in from the side and then the connectors screw down (with a banana plug hole in the center which is where this product would come into play). I felt like a surgeon trying to get a bare wire end into the little slot, and then holding it there while I tighten the connector which is almost impossible since they are so close together...
GET THESE!
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Reviewed in the United States on February 8, 2012