PETG Vs ABS- Which One Is Better?

3D printing has seen unprecedented growth in recent years. It was once a dream of science-fiction movies but is now easily achievable for most of us.

As a result, the number of 3D printing filaments has increased over time. Acrylonitrile Butadiene Styrene is the most widely used choice in this category, followed by Polyethylene TerephthalateGlycol.

Despite sharing many of the same benefits, there are still some significant differences.

Let’s explore them all in our head-to-head comparison of PETG vs ABS today!

What is PETG?

PETG or Polyethylene Terephthalate Glycol This filament is one of the most used for 3D printing. This transparent thermoplastic filament can be described as an upgraded version PET. It is extremely flexible and has received high praise from 3D printing enthusiasts.

This filament is made from a chemical called CHDM.cyclohexane dimethanolTo copolymerize PET, ) PETG is also known by the name copolyester, or CPE.

It is protected from crystallization due to its high glycol content. PETG has a lower melting point, making it an ideal material for 3D printing. Usually, this value is close to 230°C. Because it is sticky, it allows for better adhesion between layers and therefore greater strength.

PETG’s Advantages

Highly durable

PETG is most well-known for its remarkable durability. It has demonstrated exceptional resistance to both chemical as well as physical factors. You don’t have to worry about your printed structure breaking down because of pressure with PETG. It doesn’t react negatively to acidic or alkaline substances.

PETG is not affected by overheating and can become brittle or hazy. PET reacts negatively to heat, but PETG is. Because of its glycol content, this filament is more resistant to heat. It has a tensile force of approximately 7,700 psi and can easily compete with polycarbonate for durability and resistance.

It’s easy to use

This PETG will allow you to use it in many ways. That is because it doesn’t come with many restrictions or demands. It is not so susceptible to shrinking or warping As with other 3D filaments. PETG is less likely to cause damage or perform post-processing tasks.

Easy coloring is possible with the transparent 3D filament. The transparent 3D filament allows you to paint your finished product in any color you choose. PET cannot be sterilized and sealed with RF. You don’t have to worry about unpleasant odors while working with PETG since it doesn’t produce any during printing.

Food-Safe

PETG can be used to make your own containers and bottles if you aren’t satisfied with the available options. It is one of the most food-safe plastic filaments. certificate issued by the FDA. You can use it to make any type or bottle of food container without worrying about toxic ingestion.

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Environment-Friendly

PETG can be fully recycled, as with most thermoplastics. It is made of polyester and can be fully recycled. biodegradable Also, it is 100% recyclable. So next time you make, you can be 100% recyclable. business cardsPETG can be used to make containers, or other plastic structures, and you won’t have to worry about damaging the environment.

PETG’s disadvantages

Stringing

PETG filament can string easily due to its sticky nature. Some threads can stick out from the surface walls of the final product. PETG should not be used to print structures with intricate details or sharp parts.

Temperature issues

It has its low melting points, which can provide many benefits to users. However, there are also some drawbacks. It cannot be stored in temperatures higher than normal. It can cause the filament to react chemically with its container material, and thus ruin its properties.

Scratching is not recommended

PETG is a great filament due to its flexibility and outstanding impact resistance. However, PETG is more susceptible to scratching than other materials such as acrylic and glass. The printed product should be handled carefully and placed somewhere that is safe from sharp objects and children.

What is ABS?

ABS stands for Acrylonitrile Butadiene Styrene. It is a popular choice for 3D printers filaments. It is prepared using a base of petroleum followed by a variety of hydrocarbon monomers. This yellow-colored filament is easy to process and passes through the machine easily. You can learn a lot about another material. 3d printer PVA filament, as we’ve done on our PVA filament post.

Even before the creation of 3D printing technologyIt was already a popular plastic. It was first developed in the 1940s It gained momentum over the next ten years. Since then ABS has been used extensively to build a wide range of objects, including keyboards, medical devices and toys, as well as LEGO bricks.

ABS has many advantages

Durable

Products made from ABS plastic can last for a long time, if they are kept out of direct sunlight. You don’t have to worry about children or surrounding sharp objects ruining its appeal. ABS can withstand scratches and prevent the surface from getting damaged. It is also protected from wear and tear.

Sturdy

ABS is a strong material that can withstand high heat, stress, and pressure. ABS will bend instead of breaking when you apply pressure to it. ABS is a great material for making home appliances and automobile parts.

It is easy to do

ABS filaments don’t clog or jam the hot end while extruding in high temperatures. You can also use acetone to treat the ABS product surfaces. It can also be used to glue or trim off unnecessary sections. You can color it with any color acrylic paints to enhance its aesthetic appeal. This ABS plastic post also has additional features tips to easily cut ABS plastic.

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Affordable

You don’t have to break a bank or be a large enterprise to try out printing with ABS filaments. It’s a great option for small businesses and amateurs alike. You can buy a kilogram of ABS in a matter of minutes for less than twenty dollars. If you choose to settle for pellets, the price may go down even further.

ABS’s disadvantages

Temperature issues

ABS is not the best filament if you want to print a structure that has a large surface. ABS is susceptible to shrinkage, warping, curling, and warping during 3D printing.

After printing is completed, it is important to monitor the cooling process. Overcooling the surface can cause cracks. We recommend using a 3D printer With an enclosure.

Printing Odor

You should make sure that the windows and ventilators are open. working with ABS filaments. This material can emit a foul odor when it is printed on 3D objects. Even after the job is finished, the stench from used ABS filament can remain for a while.

Environmental Damage

ABS is unfortunately not available. not an environment-friendly 3D filament. It is biodegradable, and made from non-renewable resources like oil.

It can be recycled, but this will lead to a lot of waste and energy consumption. ABS is not recommended if you care about the environment.

ABS Vs PETG: A Head to Head Comparison

Applications

PETG is used in a variety of projects such as signs, graphic holders (store fixtures), orthotic devices and prosthetics, tabletop displays or prototypes, thermoformed tray and machine guards.

PETG is a good choice to make medical implants and packaging for pharmaceuticals and medical devices. PETG is food-safe and is used to make plastic containers for food, cooking oil, and drinking bottles.

On ABS has been used in LEGO bricks and bicycle helmets for a long time. 3D printing uses ABS to create tough parts that can withstand heat and last a long period of time. Products include toys (like fidget spinning), enclosures, cases, and automotive hardware.

Warping possible

ABS is more susceptible than PETG to warping. ABS can be warped if it is not handled properly. The plastic can be molded up to 100 degrees Celsius, which can cause it to solidify quickly. Warping can occur quickly as a result.

Also, read: 9 known 3D printing issues.

Temperature Management

ABS printing is more difficult than PETG printing. PETG does not require a heated bed. ABS, however, requires one. Moreover, ABS requires very high temperatures for the heated bed which cross way beyond 100°C. A heated build chamber is required for the printer.

Odor

PETG produces no odor during printing. Even if there is an odor, it’s almost negligible. VOC and particle emission are also very low. ABS can still emit odors and heavy particles, which could pose a health risk.

Post-Processing

ABS is less time-consuming to apply paint and glue to this material, making it easier to do post-processing tasks. ABS is more suitable for cosmetic modifications or additions than PETG. They can both be used for metalworking, and similar tasks.

Storage

PETG has a higher hygroscopicity level than ABS. PETG can absorb moisture from the air more easily than ABS. You should be careful how you store it, and keep it out of areas where there is high humidity. It is also susceptible to UV rays. PETG seems to be a better choice, both for outdoor and indoor storage.

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Strength

Both ABS and PETG have been well-known for their strength but PETG proves to be stronger than ABS. Because PETG is sticky, it has better layer adhesion. Both filaments still have remarkable strength. 3D printing objects.

Environmental Impact

ABS filament is made up of petroleum oil as its primary constituent. ABS is not biodegradable or comes from a sustainable source. On PETG, on the other hand, has a positive impact on the environment because it is sustainable, biodegradable, and fully recyclable. PETG is the smarter choice for those who care deeply about nature.

Temperature Resistance

ABS seems to be the better option in terms of temperature resistance. While PETG can survive temperatures as high as 80°C, ABS can withstand 20°C higher. ABS can be boiled and not be damaged by boiling water. Both materials can be used for general electrical appliances.

Cost and availability

ABS is available both in spools or pellets. One kilogram of ABS costs between $14-$60. On On the other hand, pellets are only ten dollars more expensive than their counterparts. To 3D print with pellets, you will need special extruders. However, lower quality can come at a higher cost so make sure to invest wisely.

PETG can be purchased in transparent or solid colors and costs more. The quality of the PETG sheets can affect their price. The PETG sheets are generally 12×12 to 60×96 inches in size.

Bottom Line – Which One is For You?

Both ABS as PETG are popular as 3D printing filaments. PETG is the better choice for comparison in PETG vs ABS, if you take all of these factors into consideration.

Although it’s a bit pricier, it is safer for the environment and comes with fewer restrictions in processing. You don’t have to worry about shrinking, warping or unpleasant odors while working with PETG.

On ABS, on the other hand, may seem like a good choice in many cases due to its lower price, durability, strength, and less post-processing.

For beginners in 3D printing, however, the need for a heated bed and high temperatures may make it difficult to do.

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