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2023.6.20
PLA material is commonly used in 3D printing, especially in filament form, today we’ll go over the basics of PLA 3D printing with its characteristics, applications, and ABS vs PLA 3D printing, which is better for your applications.
PLA (Polylactic Acid) is a popular and widely-used material for 3D printing. It is biodegradable, eco-friendly, easy to print, and produces minimal warping or shrinkage. However, it has certain limitations such as low tolerance to heat and low strength compared to some other materials. PLA plastic is a thermoplastic polymer made from renewable resources, such as corn starch, sugarcane, or cassava roots. It is produced by fermenting simple sugars derived from these renewable resources into lactic acid, which is then polymerized into PLA.
– Biodegradability: PLA can be biodegraded by microorganisms in the environment, making it a more environmentally friendly option than traditional plastics.
– Low toxicity: PLA is generally considered non-toxic and safe for use in food packaging and medical applications.
– Low melting point: PLA has a relatively low melting point compared to other common 3D printing materials, such as ABS, making it easier to print with.
– Stiffness and strength: PLA is stiffer and more brittle than some other plastics, which may make it less suitable for certain applications that require toughness and impact resistance.
– Limited heat resistance: PLA has a relatively low heat resistance and can deform or melt when exposed to high temperatures.
PLA is a popular material in Fused Filament Fabrication 3D printing, as it is easy to print and widely available in various colors, it can also offer a smooth surface finish. All of these benefits make it ideal for different applications.
1. Prototyping: PLA’s ease of use and low cost make it a popular choice for prototyping projects.
2. Education: PLA is a popular material for use in educational settings due to its ease of use and relatively low toxicity.
3. Toys and figurines: PLA is a popular choice for creating 3D printed toys and figurines due to its vibrant colors, detail capabilities, and low toxicity.
4. Home decor: PLA can be used to create unique decorative objects such as vases, lampshades, and picture frames.
5. Custom phone cases: PLA can be molded into custom phone cases with unique textures, colors, and designs.
6. Medical implants and scaffolds: PLA’s biodegradability and biocompatibility make it a viable option for creating medical implants and scaffolds.
7. Packaging: PLA is often used in sustainable packaging applications due to its biodegradability and low toxicity.
1. Printing temperature: PLA has a lower printing temperature than ABS, which makes it easier to print with and minimizes the risk of warping or cracking.
2. Strength: ABS is generally stronger and more durable than PLA, making it a better choice for parts that require toughness and impact resistance.
3. Surface finish: PLA produces a smoother and shinier surface finish than ABS, which can exhibit a slightly matte appearance.
4. Toxicity: PLA is considered non-toxic and safe for use in food and medical applications, while ABS emits potentially harmful fumes when heated and should be used in a well-ventilated space or with proper ventilation equipment.
5. Biodegradability: PLA is biodegradable and breaks down over time in the environment, making it a more environmentally friendly choice than ABS, which is not biodegradable.
Is ABS or PLA better for beginners?
PLA (Polylactic Acid) is generally considered a better choice for beginners in 3D printing. Here are some reasons why:
– Ease of use: PLA is easier to print with than ABS, as it has a lower printing temperature and produces less warping, cracking, or fumes during printing.
– Availability: PLA is widely available and comes in a range of colors and formulations, making it easy for beginners to find a suitable material for their project.
– Safety: PLA is non-toxic and safe to use in the home or educational environment, while ABS emits potentially harmful fumes when printed. This makes PLA a more beginner-friendly option as there is less concern for the user’s safety during use.
– Affordability: PLA is typically less expensive than ABS, making it a budget-friendly option for beginners who are just starting out with 3D printing.
PLA vs ABS, which is better for outdoor use?
ABS (Acrylonitrile Butadiene Styrene) is generally considered a better material for outdoor use than PLA (Polylactic Acid). Here’s why:
– Durability: ABS is generally stronger and more durable than PLA, making it less likely to degrade or break down when exposed to outdoor elements such as UV radiation, heat, and moisture.
– Heat resistance: ABS has a higher heat resistance than PLA, meaning it can withstand higher temperatures without deforming or melting.
– Chemical resistance: ABS is more resistant to chemicals and solvents than PLA, making it more suitable for outdoor applications where exposure to these substances may occur.
– Water-resistance: ABS is less porous than PLA and therefore less susceptible to water damage and warping.
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