PETG filaments
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PETG filament: strength without the complexity of ABS
In brief: PETG is the right choice when PLA is no longer strong enough, but you do not want an enclosure and a more difficult ABS workflow. It is good for holders, boxes, prototypes and everyday parts.
| Criterion | How to decide | Practical effect |
|---|---|---|
| Strength | Choose PETG for functional parts | Better durability than PLA in real-world use |
| Surface | Adjust temperature and retractions | Less stringing and cleaner walls |
| Humidity | Store and dry the spools | Less cracking, blistering and a rough finish |
If the part will be outside in the sun, compare PETG to ASA. If you want a harder technical finish, look in the PET/PA-CF direction.
Quick links: PolyLite PETG | Creality Hyper PETG | filament dryers | ASA
PETG filament for strong functional 3D-printed parts
PETG is the practical choice when PLA is no longer strong enough, but you don't want the complexity of ABS. It is suitable for boxes, holders, prototypes, spare parts and parts that need to withstand impact and daily use.
When comparing PETG price, look at 1.75mm diameter, weight, colour, brand, recommended temperature, need for drying and whether the material is standard PETG, PETG-CF or specialty series.
- For functional parts - better impact resistance and temperature stability compared to PLA.
- For clean printing - set first layer, moderate cooling and dry material.
- For more technical applications - compare PETG-CF, ASA, ABS or engineering filaments.
Quick links: PLA | TPU | ASA | filament drying | Filalab PETG 1 kg
Frequently asked questions
Is PETG better than PLA?
PETG is generally stronger, more impact resistant and better suited for functional parts. PLA remains easier for visual models and quick start.
Does PETG need to be dried?
Yes, if the spool has been open or the print shows crackles or strings and a rough surface. Dry PETG prints more stably.
PETG filament: when is it a better choice than PLA
PETG is a logical choice when PLA is too brittle or the part needs to withstand more load, shock or moisture. It is practical for holders, boxes, mechanical parts and details that are not just decorative.
- If you're looking for an even more impact-resistant alternative, compare with PCTG filament.
- For a harder technical finish, see PETG-CF.
- For flexible parts, PETG is not a substitute for TPU.
- At higher temperature compare with ABS and always think of filament drying.
Related Pages: all filaments | PCTG vs. PETG | smoothing of PETG
What is PETG filament and why is it so popular?
PETG filament is one of the most popular desktop materials 3D printing. The abbreviation PETG stands for polyethylene terephthalate modified with glycol. Whether you call it PETG filament or 3D printing filament PETG, this thermoplastic polymer combines some of the best qualities of PLA and ABS. This means you get a material that is almost as easy to print as PLA, but with mechanical properties and durability close to those of ABS.
Advantages of PETG over PLA and ABS: PETG has higher impact resistance and flexibility than PLA, meaning printed models won't break easily when dropped or bent. Compared to ABS, PETG is easier to print – it hardly shrinks when cooled and rarely warps, even without an enclosure. In addition, PETG does not emit a strong unpleasant odor during printing (unlike ABS) and has no toxic fumes, making it safer to work at home. PETG outperforms PLA in terms of heat resistance – it retains stability at higher temperatures (around 70-80°C, compared to ~50-60°C for PLA). With PETG, you get an excellent balance between strength, durability and ease of printing.
How to print with PETG: settings and tips
PETG filament is characterized by a relatively easy printing process, but best results are achieved with the following settings and conditions:
- Print temperature (nozzle): Typically around 230°–250°C (according to the manufacturer's recommendations).
- Heated Platform Temperature: It is recommended that the bed be heated to ~70°–80°C for secure adhesion of the first layer. Attention: PETG sticks very strongly to glass or PEI - apply a thin layer of glue as a spacer to avoid damaging the surface when removing the model.
- Cooling fan: Start with the fan about 20-30% past the first coat. Excessive cooling can weaken the bond between layers, so PETG is usually printed with minimal or moderate cooling.
PETG Properties: Durability, Impact, Chemical and Temperature Resistance
One of the reasons why PETG is preferred 3D printing filament is the excellent quality of the finished models. PETG-printed objects combine strength and flexibility, making them suitable for functional and technical applications:
- Mechanical strength and impact resistance: PETG models are extremely durable. They can take a hit or drop without breaking because the material has some flexibility (not brittle). This makes it ideal for parts under stress.
- Chemical resistance: PETG is resistant to many chemicals – water, many acids, bases and oils. As a result, printed PETG parts can be used for vessels, containers or technical elements exposed to chemicals where PLA would decompose or deform.
- Heat resistance: Compared to PLA, PETG can withstand higher operating temperatures before softening. PETG objects retain their shape at temperatures up to about 75-80°C, making them suitable for use in warmer environments (eg in a car) where PLA would soften.
PETG Filament Brands Offered in 3DLarge
In this category you will find PETG filaments from the following manufacturers:
- Polymaker – a world-renowned manufacturer of 3D materials. The PolyLite PETG series offers a reliable standard PETG filament with an excellent balance between quality and price. Polymaker also has specialized variants of PETG (e.g. with carbon filaments or ESD protection) for specific applications.
- 3DPower – a brand offering the affordable Basic PET-G series. 3DPower PETG is characterized by a good price-quality ratio and is ideal for functional parts as it is strong but easy to print.
Through these brands, we offer a variety of colours and types of PETG filament. All products in the PETG category are of guaranteed quality and stored under optimal conditions.
Frequently Asked Questions about PETG Filament
PETG is a thermoplastic polymer (polyethylene terephthalate with glycol) used as a 3D printing material. It combines the easy printing of PLA with the strength and durability of ABS, making it highly preferred.