Pro PCTG in Charcoal Gray offers a step up from standard PETG filament for users who need greater toughness without sacrificing printability. This 1.75 mm material absorbs less moisture, prints without an enclosure, and delivers up to 30× the impact resistance of PETG while maintaining superior clarity. Its improved molecular structure, based on cyclohexane dimethanol, creates a more ductile filament that absorbs and dissipates energy on impact. Better layer adhesion reduces weak points, so printed parts resist cracking from drops, repeated flexing, or sudden forces—making it suitable for drone frames, protective housings, snap-fit clips, living hinges, and wearable components that must endure daily handling or cold environments. Chemical resistance further sets Pro PCTG apart. The filament withstands prolonged contact with alcohols, hydrocarbons, mild acids, strong bases, cleaning agents, oils, and low-concentration ketones where PETG softens, discolors, or stress-cracks. A direct comparison shows performance advantages ranging from 1.2× to 2.0× depending on the chemical family.
| 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 |
The wide color range and consistent diameter make Pro PCTG an excellent choice for multi-material systems. Print profiles for Pro PCTG on the Bambu Lab printers are available here. Since October 2023, spools have been produced in AMS-compliant form (more info on our spool sizes and weights); older stock may require the lid to remain slightly open. Pro PCTG TDS and Pro PCTG SDS documents detail full mechanical and safety data, while Learn more about 3D-Fuel filament quality explains the manufacturing standards behind every spool.
| 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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No Hidden Fees:
4. Order Processing Time
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Processing Time:
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Order Cut-Off Time:
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Weekend and Holiday Orders:
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Note: If your order contains items from multiple vendors, they may ship separately, and each shipment will have its own tracking number.
5. Estimated Delivery Time
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Domestic Shipping:
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International Shipping:
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Note: Delivery timeframes are estimates. Actual processing and transit times vary by vendor and carrier and cannot be guaranteed. We are not responsible for supplier delays or carrier issues caused by factors outside our control, including vendor shipment issues or weather-related carrier disruptions.
6. Shipping Methods and Carriers
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Reliable Carriers:
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Shipment Tracking:
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All orders include tracking information, which will be provided via email once your order has shipped.
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Orders fulfilled by multiple vendors may arrive in separate packages. Each will include its own tracking number.
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Insurance:
7. Order Tracking
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Tracking Information:
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How to Track Your Order:
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Assistance:
8. Delivery Issues
8.1 Delayed or Lost Packages
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Delayed Delivery:
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Lost Packages:
8.2 Damaged Packages
9. Missing or Incomplete Items
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Reporting Missing Items:
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Resolution:
10. Return and Refund Policy
11. Incorrect Address
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Address Accuracy:
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Please ensure that all shipping information is correct. We are not responsible for orders shipped to incorrect addresses provided by the customer.
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Once an order is placed, if an error is identified, contact us immediately. If the item has not yet shipped, we may be able to update your address as requested.
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Returned Packages:
12. International Customs and Duties
13. Contact Information
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.