Meet Pro PCTG in cobalt blue, a 1.75mm filament from 3D-Fuel that redefines PETG-like printing. It combines the best of both worlds—PETG’s usability with PCTG’s toughness and chemical resistance—delivering parts that are clearer, more durable, and easier to print than traditional PETG blends. The vivid cobalt blue hue adds standout style to functional parts, cosmetic prototypes, and multi‑color builds.
What sets Pro PCTG apart
- Up to 30x tougher than PETG: a more ductile, energy‑absorbing molecular structure (cyclohexane dimethanol in PCTG) means parts resist impact, bending, and drops without cracking or shattering.
- Superior inter‑layer adhesion: stronger layer bonding reduces weak points and improves long‑term durability in envelopes, enclosures, and hinges.
- Excellent clarity: greater optical clarity than PETG, making it ideal for protective housings and display components where visibility matters.
- Lower moisture absorption than PETG: easier handling and less warping, with fewer enclosure requirements for everyday printing.
- Broad color selection and reliable printability: the cobalt blue shown on a sturdy spool is just one example of how vibrant, consistent color can elevate multi‑color builds in systems like the Bambu Lab AMS.
AMS and compatibility notes
- Print profiles for Pro PCTG on the Bambu Lab printers are available here. This compatibility makes multi‑color workflows smoother in AMS environments.
- AMS spool compatibility: Since October 2023, our standard filaments have been manufactured using AMS‑compliant spools. Because colors move through warehouse inventory over time, you may receive an older spool type. It remains AMS‑compatible, but you might need to leave the lid open a few millimeters.
Visual cue from the product image
The cobalt blue Pro PCTG on a robust black spool presents a clean, uniform wrap with tight, even layering—a visual cue of consistent diameter and reliable feed with each print.
Usage scenarios and real‑world benefits
- Protective housings for electronics or tools that need impact resistance in daily use.
- Drone parts, propeller guards, and other components subjected to knocks and flexing.
- Flexible clips, living hinges, and snap‑fits that benefit from enhanced toughness and inter‑layer bonding.
- Impact‑resistant containers or enclosures for sensitive gear in challenging environments.
Anchor text references for a quick navigation recap:
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.
Chemical resistance at a glance
- Alcohols (IPA, ethanol, methanol): resists prolonged exposure without cracking
- Hydrocarbons (hexane, gasoline, mineral spirits): better resistance to hydrocarbon solvents
- Acids (acetic, citric, phosphoric): maintains structural integrity in mild to moderately concentrated acids
- Bases (sodium/potassium hydroxide, ammonium hydroxide): better resistance to strong alkalis
- Cleaning agents (bleach, degreasers, detergents): withstands harsh cleaners without damage
- Oils and lubricants (engine oils, hydraulic fluids): resists degradation from oils over time
- Ketones (acetone, MEK): performs better in low‑concentration ketone environments
Pro PCTG TDS
Technical data sheet details for Pro PCTG clarifies mechanical properties, recommended printing settings, and safety considerations to help you optimize part performance.
Pro PCTG SDS
Safety data sheet information for Pro PCTG covers material hazards, handling guidelines, and storage best practices to ensure safe use in your workshop or lab.
Learn more about 3D-Fuel filament quality.
| 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.
2. Shipping Destinations
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Countries We Ship To:
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Future Expansion:
3. Shipping Costs
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Domestic Shipping (United States):
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Standard Shipping: FREE standard shipping for all orders over $100
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The free shipping threshold applies to the subtotal after discounts and before taxes.
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Expedited Shipping: Calculated based on item weight and priority selection.
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Flat Rate Shipping: $7.99 flat rate for orders under $100.
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Supplier-Specific Shipping Terms
Some products ship directly from our supplier or manufacturer partners and may be subject to supplier-specific shipping rates, handling fees, delivery timelines, minimum order thresholds, or freight requirements. These supplier-specific terms may differ from Hobby Tech Supply’s standard shipping policy and may override general free-shipping offers where applicable.
When a product is subject to supplier-specific shipping terms, the applicable shipping rate or threshold will be based on the supplier’s current fulfillment requirements.
Phrozen Products
Phrozen products ship directly from the supplier. Phrozen orders under $333.34 are subject to a $60 supplier-direct shipping charge. Phrozen orders of $333.34 or more may qualify for free supplier-direct shipping unless otherwise stated.
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If you have any questions or concerns regarding your shipment, please contact us:
Our customer service team is available Monday to Friday, 8 AM to 4 PM EST.
14. Changes to This Shipping Policy
We reserve the right to modify this Shipping Policy at any time. Changes and clarifications will take effect immediately upon posting on the website. We encourage you to review this policy periodically.
Thank you for shopping with Hobby Tech Supply!
We appreciate your business and are committed to providing you with exceptional service.
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.