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:

 

  • 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.

 

  • Stiffness: PLA is a stiff material, which can be an advantage for rigid prototypes but a disadvantage for parts that require flexibility.

 

  • 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.

 

  • 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
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