3D Printer Resin vs Filament: A Comparative Analysis of Strength
When it comes to 3D printing, two of the most popular printing materials are resin and filament. While both have their own set of advantages and disadvantages, one of the most critical factors to consider is their strength. In this article, we'll delve into the world of resin and filament, comparing their strengths and exploring which one comes out on top.
Resin: The New Kid on the Block
Resin, also known as SLA (Stereolithography) or DLP (Digital Light Processing), is a relatively new player in the 3D printing arena. It's a liquid photocurable material that hardens when exposed to light. Resin offers incredible detail and surface finish, making it a favorite among hobbyists and professionals alike.
Resin Strength
Resin parts are known for their exceptional mechanical properties, including:
- Tensile Strength: Up to 40-50 MPa (5800-7250 psi)
- Flexural Strength: Up to 100-120 MPa (14500-17400 psi)
- Impact Resistance: Excellent, with a high resistance to cracks and breaks
However, resin parts can be brittle and prone to cracking under heavy loads or sudden impacts.
Filament: The Trusted Veteran
Filament, on the other hand, has been around for decades and is the most widely used 3D printing material. It's a thermoplastic material that's melted and extruded through a heated nozzle to create the desired shape.
Filament Strength
Filament parts boast impressive mechanical properties, including:
- Tensile Strength: Up to 30-40 MPa (4350-5800 psi)
- Flexural Strength: Up to 50-70 MPa (7250-10150 psi)
- Impact Resistance: Good, with some filaments offering improved toughness
While filament parts are generally more flexible than resin, they can be prone to warping and delamination under certain conditions.
Comparing Strength: Resin vs Filament
When comparing the strength of resin and filament, it's essential to consider the specific application and desired outcome. Resin parts excel in terms of detail, surface finish, and mechanical properties. However, they can be brittle and prone to cracking under heavy loads.
Filament parts, on the other hand, offer better flexibility and impact resistance, making them suitable for parts that require durability and flexibility. However, they may lack the precision and detail of resin parts.
The Verdict
In conclusion, both resin and filament have their unique strengths and weaknesses. Resin offers exceptional mechanical properties, detail, and surface finish, making it ideal for applications that require high precision and accuracy. Filament, on the other hand, provides flexibility, durability, and impact resistance, making it suitable for parts that require toughness and flexibility.
Ultimately, the choice between resin and filament depends on the specific requirements of your project. By understanding the strengths and weaknesses of each material, you can make an informed decision and create prints that meet your needs.
