POLYACTIC ACID "PLA" FILAMENT
PLA (Polylactic Acid) filament is a popular and versatile material for 3D printing, known for its ease of use, affordability, and eco-friendly properties. Derived from renewable resources like corn starch and sugarcane, it is biodegradable under specific industrial composting conditions.
Key properties Are:
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Strength: PLA has a relatively high tensile strength, meaning it can withstand pulling forces well. However, it is a brittle material with low impact resistance, and it tends to break rather than bend under stress.
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Stiffness: PLA is a stiff material, which can be an advantage for rigid prototypes but a disadvantage for parts that require flexibility.
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Dimensional Accuracy: It is known for having very low thermal shrinkage and warping, which makes it excellent for printing parts with precise dimensions and sharp details.
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Aesthetic: Prints typically have a glossy and smooth surface finish, which is often desirable for decorative items and prototypes.
Applications and uses Are:
- Prototyping: Its low cost and ease of printing make it ideal for quickly creating and testing design concepts.
- Educational projects: It is a safe and simple material for students to use in STEM and design programs.
- Art and decorative objects: PLA's ability to produce detailed and visually appealing prints, along with a vast range of colors and finishes, makes it suitable for sculptures, models, and household items.
- Medical applications: Its biocompatibility allows for the creation of anatomical models for surgical planning, as well as some custom-made medical devices like prosthetics and braces.
- Hobbyist projects: It's a favorite among makers for printing toys, gadgets, and various DIY projects.
While PLA is a great all-around material, it is not suitable for applications that require high heat resistance or extreme durability, as it can deform at temperatures above 60 °C and is more brittle than other plastics.
Physical Properties | Mechanical Properties |
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Density / 1.24 g/cm³ (0.0448 lbs/in³) | Tensile Strength / 36 ± 2 MPa |
Heat Deflection Temperature / 57 °C (134.6°F) | Breaking Elongation Rate / 15.2 ± 0.5 % |
Vicat Softening Temperature / 57 °C (134.6°F) | Bending Modulus / 2270 ± 60 MPa |
Melting Temperature / 160 °C (320°F) | Bending Strength / 73 ± 3 MPa |
Melt Index / 42.4 ± 3.5 g/10 min | Impact Strength / 61.2 ± 2.8 kJ/m² |