PLA Filament is one of the most popular 3D printing materials today. Thanks to its ease of use and safety, this plastic is ideal for beginners. In FDM technology, PLA filament acts like “printing ink.” Understanding the material helps improve print quality.
In the field of 3D printing, each filament type has its own strengths and weaknesses. PLA stands out for its high printing stability. Compared with many other materials, PLA causes fewer technical issues. This is why it is widely used.
WHAT IS PLA FILAMENT?
PLA is a 3D printing filament made from Polylactic Acid. The raw material is derived from corn starch or sugarcane. Therefore, PLA is considered environmentally friendly. This is a key difference from petroleum-based plastics.
In FDM 3D printing, PLA filament is melted at the nozzle. The molten plastic is deposited layer by layer to form an object. This process is stable and produces very little odor. As a result, printing is safer in enclosed spaces.

BASIC TECHNICAL SPECIFICATIONS OF PLA FILAMENT
PLA filament is typically wound onto a plastic spool. The most common spool weight is 1 kg. This is the standard size available on the market. Some brands also offer smaller spools.
The most common diameter is 1.75 mm. This size is compatible with most personal 3D printers. Another available size is 2.85 mm for specialized machines. Typical diameter tolerance ranges from ±0.02 mm to ±0.05 mm.
Smaller tolerance results in more stable printing. High-quality filament reduces the risk of nozzle clogging. Printed surfaces are also smoother. This is an important factor when choosing filament.
KEY ADVANTAGES OF PLA FOR 3D PRINTING
Easy to print and stable
PLA is considered the easiest plastic to print. Its low printing temperature helps maintain stable operation. Warping issues are minimal. Beginners can quickly get started.
PLA does not require an enclosed print chamber. This helps reduce equipment investment costs. The printing process produces almost no unpleasant odor. The working environment is therefore safer.
Environmentally friendly
PLA filament is made from renewable resources. Its biodegradation process causes less environmental harm. For this reason, PLA is widely used in education. Many schools choose this material.
Compared with ABS, PLA is safer for indoor printing. No toxic fumes are released during melting. This helps protect user health. PLA is well suited for home 3D printing.
Explore Luminy PLA products from TotalEnergies Corbion, officially distributed by Vichem
LIMITATIONS OF PLA FILAMENT
Despite its advantages, PLA also has certain limitations. It is more brittle than ABS or PETG. Printed parts can break easily under high impact. This limits mechanical applications.
PLA also has low heat resistance. At around 60°C, the material begins to soften. Therefore, printed parts are not suitable for high-temperature environments. This should be considered during design.
COMMON APPLICATIONS OF PLA FILAMENT
PLA is often used to print display models. The parts have high detail and smooth surfaces. This is a major advantage of the material. Many designers choose PLA for prototypes.
In education, PLA is used to print learning models. Students can quickly create prototypes. The material is also suitable for toys. Its safety provides peace of mind for parents.
PLA is also used for rapid prototyping. The printing process saves time and cost. This is very helpful for product development. Ideas can be realized quickly.

COMPARISON OF PLA FILAMENT WITH OTHER TYPES
Compared with ABS, PLA is much easier to print. ABS requires higher temperatures and an enclosed chamber. PLA warps less and adheres better to the print bed. This is a major advantage for beginners.
Compared with PETG, PLA produces sharper surface details. PETG is more durable but prone to stringing. PLA is better for aesthetic-focused products. However, PETG has better heat resistance.
POPULAR VARIANTS OF PLA
Today, PLA is available in many variants. Wood PLA is mixed with wood powder, creating a wood-like surface. Silk PLA offers a high-gloss finish. These are popular for decorative items.
There is also carbon fiber–reinforced PLA. This type is stiffer than standard PLA. Printed surfaces are usually matte black. As a result, the price is higher.
HOW TO STORE PLA FILAMENT PROPERLY
PLA is highly hygroscopic. If left exposed to air, it absorbs moisture. Moist filament can cause popping sounds during printing. Printed surfaces may become rough or porous.
PLA filament should be stored in a sealed container. Vacuum bags with desiccant packs are recommended. This helps maintain stable material quality. Printing performance becomes smoother.
If the filament has absorbed moisture, it can be dried before printing. A dedicated filament dryer is an effective solution. Drying helps restore material properties. This extends the lifespan of the filament spool.
CONCLUSION
PLA Filament is an ideal choice for FDM 3D printing. It is easy to print, safe, and environmentally friendly. PLA is suitable for beginners and decorative applications. Understanding its properties ensures effective use.
Although it has limitations in strength and heat resistance, PLA remains highly popular. With proper use and storage, PLA filament delivers consistent print quality. It is an essential material in modern 3D printing.
VICHEM – AUTHORIZED DISTRIBUTOR OF PLASTIC ADDITIVES AND LUMINY PLA FROM POLYGRAM AND TOTALENERGIES CORBION IN VIETNAM
Vichem is the authorized distributor of plastic additives and engineering plastics from Polygram and TotalEnergies Corbion in Vietnam. We not only supply high-quality products but also provide international-standard after-sales services.
- Technical consultation: Supporting customers in selecting the right product for their application.
- Color testing: Vichem experts perform color-matching tests to ensure consistency with design standards.
- Application support: Assisting clients during integration into production lines for optimal performance.
For more information, please contact us through:
📞 Hotline: 08 1790 1790
📧 Email: contact@vichem.vn
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🌐 Website: www.vichem.vn
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