The material used for 3D printing is called filament, which is heated by the extruder and extruded through the nozzle. The molten filament is deposited on the print bed to build a 3D model layer by layer. Filaments are made of a variety of materials, and different materials have different properties. The most commonly used are PLA and ABS filaments, which are simple and easy to use. But in order to meet more needs and achieve different creations, the soft PETG filament is also chosen and used by many people. We will introduce what PETG is, how to use PETG filament for 3D printing, temperature settings for printing, etc. Understanding PETG will facilitate us to use PETG to complete high-quality printing, enhance printing experience, and make innovative applications.
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PETG Filament: What is PETG Good For?
PETG (Polyethylene Terephthalate Glycol), is a thermoplastic polyester. With its excellent mechanical properties and good chemical resistance, PETG filament is also a very popular choice for 3D printing. PETG filament is known for its toughness, ease of use, and is a more impact and stress tolerant material with good strength and durability.
Characteristics of PETG Filament:
PETG is a naturally transparent material with good optical properties. It allows light to pass through without interference and, in the case of thinner PETG, appears almost completely transparent. For the printing needs of transparent models, PETG filament is undoubtedly the most suitable material, and it can also be colored to achieve multi-color or translucent effects. PETG also has chemical resistance, and the printed parts can be in direct contact with some chemicals without being corroded or changed. In terms of temperature, it can also withstand higher temperatures without deformation. These characteristics of PETG allow it to adapt and meet more printing needs, and also expands the use scenarios of 3D printed parts.
PETG vs PLA:
PLA is the most commonly used material for 3D printing, it also has good performance, easy to print, and low cost. For PETG, PLA is more rigid, does not require excessive printing temperature, and can achieve faster printing speed. The advantage of PETG over PLA is that it has better toughness and durability, while PLA is tougher and more brittle. PETG requires higher printing temperature and slower printing speed, but it can achieve higher quality printing effect, and it is easier to polish and polish than PLA in post-processing of printed parts.
PETG vs ABS:
ABS is also a commonly used material for 3D printing. It is known for its hardness and sturdiness, and can meet the printing requirements of parts that require higher strength. Commonly used scenarios include the production of household items, and ABS is often used as the material for mechanical parts. Compared to PETG, ABS is more difficult to use, but easy to warp, and less flexible. In the process of printing with ABS, higher printing temperature and slower printing speed are required, but the rigidity advantage of ABS is also preserved.
Anycubic Kobra 2 Plus: Large Filament Compatibility
Anycubic Kobra 2 Plus is a is a powerful desktop FDM 3D printer, equipped with a one-key leveling system and integrated extruder, PEI spring steel platform, which can achieve high-speed and stable printing. For enthusiasts who want to choose different filaments for printing, Anycubic Kobra 2 Plus is a good choice, it is compatible with PLA, ABS, PETG filament, TPU and other popular printing filaments. As a simple and efficient 3D printer, it can support enthusiasts and professionals to try printing with various filaments.
Print Temperature of PETG: What is the Best Setup to Print PETG Filament
PETG filament has the advantage of being easy to print and not easy to warp, so as long as you pay attention to setting the right temperature and printing speed, PETG can be used to print many models successfully. 3D printing enthusiasts often use PETG filament to print some storage containers, decorative lampshades and other household items. It is also suitable for printing food containers, medical equipment and other components, PETG is a very versatile material.
PETG Temperature of Printing:
In general, the optimum printing temperature range for PETG is 220 to 250 °C, which is much higher than the nozzle temperature required for PLA. If the temperature is lower than 220 degrees, the printing layer may not adhere to each other, but if the temperature is set too high, there may be problems such as stringing or oozing out of the nozzle, which will affect the quality of printing.
Below 220 degrees, the printed layers may not adhere to each other, but if the temperature is set too high, problems such as pulling or bleeding out of the nozzle may occur, affecting the quality of the print. However, in the range of 220 °C -250 °C, how to adjust the 3D printer to the most suitable temperature? The first method is to find the answer in the product description of the filament. The printing temperature is usually officially recommended and the recommended temperature setting is the first thing you can try when printing PETG. The second common method, if you are looking for higher print quality, you can choose to do some test printing. During the test, keep the other print parameters constant and perform different print temperature tests to determine the most appropriate print temperature, it will help you achieve the best results for your printed model.
PETG Temperature of Print Bed:
The PETG temperature setting of the print bed is relatively simple. The recommended hot bed temperature setting for printing PETG is 50 °C - 80 °C. Like PLA, in fact PETG can be printed without heating the print bed, but usually we set the hot bed temperature for both PLA and PETG, which will prevent the negative effects of temperature changes. It will help the model to adhere well to the heated bed and reduces model warping, or layer shifting. Note that elephant feet may occur if the hotbed temperature is set too high. Optimal bed temperature can also be determined from recommended settings or specific testing.
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