Transparent 1.75 mm PCTG filament for 3D printing
Spectrum PCTG Premium 1.75mm CLEAR 1kg is a transparent 3D printing filament for FDM workflows. It is positioned as an alternative to PET-G and is described as combining easy printing with higher impact strength, dimensional stability, low shrinkage, and higher elasticity.
Key features of Spectrum Premium PCTG filament
- Heat deflection temperature of 76°C for parts that need moderate temperature resistance.
- Higher impact strength than premium PET-G for stronger printed models.
- Higher transparency in transparent colours, with clarity close to transparency and fewer visible contours.
- Good printability and finishing with an excellent print surface.
- Chemical resistance and hydrophobic, odourless behaviour for practical everyday use.
- High dimensional accuracy for fitted parts and functional models.
Printing characteristics and handling
The filament is supplied on a sealed spool and the packaging includes material, diameter, colour, and recommended print temperature information. The product page notes that a heated build chamber is not required, and storage is recommended in a cool, dry place at 15-25°C.
Use cases for clear PCTG filament
- Visual prototypes where clarity and surface quality matter.
- Functional prototypes that need impact resistance and dimensional accuracy.
- Goodness of fit tests for checking part alignment and assembly.
- Conceptual models for product development and presentation.
- Production tooling for workshop and small-batch manufacturing tasks.
Technical specifications
| Producer | Spectrum |
| Symbol | 5903175655226 |
| EAN | 5903175655226 |
| SKU | 80734 |
| Warranty | Standard manufacturer warranty |
| System | Spool |
| Color | Transparent |
| Surface finish | shiny |
| Diameter | 1.75mm |
| Density | 1.23 g/cm3 |
| Net weight | 1kg |
| Temperature resistance | 76°C |
| RoHS & REACH | Yes |
| Nozzle temperature | 240-270°C |
| Heated bed temperature | 60-90°C |
| Recommended printing speed | 40-200 mm/s |
| Cooling fan | 75-100% |
| Closed chamber | No |
| Filament dryer | No |
| Ruby or hardened nozzle | No |
| Adhesive | No |
Will it work with my printer?
Yes — if your printer takes 1.75mm filament (that's the vast majority of desktop FDM printers), this works. It runs at standard temperatures, so no hardware upgrades or enclosure are needed.
Frequently asked
What printers are saying
Clear - Spectrum Premium PCTG Filament - 1.75mm, 1kg
All orders are shipped from and processed in Canada. Duties, taxes, tariffs, and credit card foreign transaction fees may apply.