Meet Pro PCTG in Grape Purple, 1.75mm—3D-Fuel’s advanced PCTG filament designed to outperform PETG in every practical way. It combines the clarity you expect with rugged toughness, delivering parts that are up to 30x more impact resistant than PETG while maintaining excellent chemical resistance and readability. It’s an easy-to-use material that prints reliably without an enclosure, so you can treat it like PETG but with far stronger performance.
Why choose Pro PCTG? It’s engineered for real-world durability. The cyclohexane dimethanol (CHDM) in PCTG gives this filament higher flexibility and toughness than PETG, enabling it to bend, snap, and absorb energy without cracking. Layer adhesion is notably strong, reducing weak points where impact could cause failure. The result is parts that survive drops, repeated flexing, and harsh environments—perfect for enclosures, tools, drones, and wearable devices.
- Up to 30x tougher than PETG, with excellent impact resistance for enclosures, housings, and braces
- Better inter-layer bonding and ductility to prevent cracks under bending or repeated stress
- Clearer appearance than PETG, with vibrant color retention in multi-color prints
- Low moisture absorption and user-friendly handling—print like PETG without the need for an enclosure
- Broad color selection, including this Grape Purple, ideal for consumer devices, branding, and prototypes
Print profiles for Pro PCTG on the Bambu Lab printers are available here. This filament is designed to work smoothly with multi-color printing systems like the Bambu Lab AMS, making it a strong choice for complex assemblies and color-critical prototypes.
AMS compatibility and spool information you should know: Since October 2023, the 3D-Fuel Standard PLA+ has been manufactured using AMS-compliant spools. Colors can move through inventory at different speeds, so you may receive an older spool type. This is still AMS-compatible, but you may need to leave the lid open a few millimeters. Pro PCTG follows the same spool ecosystem to help ensure broad compatibility across your workflow.
Chemical resistance is a standout advantage of PCTG. In direct comparisons, Pro PCTG shows robust performance across common solvents and cleaners, outperforming PETG in many scenarios. Key takeaways include:
- Alcohols (IPA, ethanol, methanol): resists prolonged exposure without cracking or degradation
- Hydrocarbons (hexane, gasoline, mineral spirits): better resistance to hydrocarbon-based solvents
- Acids (acetic/citric/phosphoric): maintains structural integrity in mild to moderately concentrated acids
- Bases (sodium/potassium hydroxide, ammonium hydroxide): stronger resistance to strong alkalis
- Cleaning agents (bleach, industrial degreasers, detergents): withholds harsh cleaners without discoloration or damage
- Oils and lubricants (engine oils, hydraulic fluids): resists degradation from prolonged exposure
- Ketones (acetone, MEK): performs slightly better in low-concentration ketone environments
Real-world applications that benefit from Pro PCTG’s toughness include protective housings for electronics or tools, drone parts and propeller guards, flexible clips and living hinges, and impact-resistant containers or enclosures. Its chemical resilience expands where PETG might struggle, especially in environments with alcohols, solvents, or mild acids and bases.
Anchor text references you’ll find familiar in the product description: Print profiles for Pro PCTG on the Bambu Lab printers are available here. more info on our spool sizes and weights Pro PCTG TDS Pro PCTG SDS Learn more about 3D-Fuel filament quality.
Specifications at a glance
- Diameter: 1.75 mm
- Color: Grape Purple
- Vendor: 3D-Fuel
- Category: Electronics > Print, Copy, Scan & Fax > 3D Printer Accessories > Filaments
| 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 |
| 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 |
Shipping Policy
Effective Date: 11/18/2025
Last Updated: 3/3/2026
1. Introduction
At Hobby Tech Supply, we aim to provide a seamless and transparent shipping experience for our customers. This Shipping Policy outlines the terms and conditions related to the delivery of products purchased from our website, hobbytechsupply.com.
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Future Expansion:
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Legal Entity:
Ashrei Ventures LLC d/b/a Hobby Tech Supply
502 W 7th St ste 100, Erie, PA 16502
Hobby Tech Supply is a trade name (DBA) owned and operated by Ashrei Ventures LLC, a Pennsylvania limited liability company.