PLA is the most popular 3D printing material for rapid prototyping, known for its ease of use,
biodegradability, and excellent surface finish. As a leading PLA filament for 3D printing provider in India,
iamRapid uses this eco-friendly thermoplastic in FDM 3D printing to deliver
high-quality prototypes, educational models, and concept parts.
PLA (Polylactic Acid) is a biodegradable thermoplastic derived from renewable resources like cornstarch
or sugarcane, making it the most widely used PLA 3D printing material worldwide. It is ideal for
FDM 3D printing due to its low printing temperature, minimal warping, and ease of use.
PLA filament for 3D printing produces parts with a smooth surface finish and good tensile strength,
perfect for detailed prototypes, aesthetic models, and educational projects. Order PLA 3D prints in India
through iamRapid for fast turnaround on concept models and visual prototypes. While PLA is not as
heat-resistant or impact-resistant as materials like ABS, it remains a top choice
for applications where mechanical stress is minimal.
Material Type:
Biodegradable Thermoplastic Polymer
Price:
Available color:
Black
White
Red
Blue
Green
Yellow
Transparent
Metallic
Process compatibility:
FDM compatible
Special Properties:
Easy to Print
Biodegradable
Minimal Warping
Good Surface Finish
Limitations:
Low Heat Resistance
Brittle Compared to Other
Plastics
Limited Mechanical Strength
Not Suitable for High-Stress
Applications
Material rating
Key ABS properties rated to guide you in selecting the best fit for your 3D printing needs.
Strength4 of 5
Flexibility3 of 5
Detail Resolution3 of
5
Surface Smoothness2 of
5
Heat Resistance4 of 5
Chemical Resistance3 of
5
Ease of Printing2 of 5
Cost Efficiency3 of 5
Applications
PLA is ideal for creating prototypes, concept models, decorative items, and educational
tools where ease of printing and visual appeal are prioritized over mechanical performance. Its low warping
tendency and biodegradability make it suitable for hobbyist projects and classroom settings.
Education Applications
Classroom models
Educational tool
Student projects
Prototyping Applications
Concept models
Visual prototypes
Form and fit testing
Art and Design
Sculptures
Decorative pieces
Architectural models
Consumer Products Applications
Toys and figurines
Household items
Promotional items
Additional Applications
Rapid Prototyping
Low-Stress Functional Parts
Hobbyist Projects
Mold Patterns
Mechanical Properties
Offers decent tensile strength with low flexibility, suitable for parts not subjected to mechanical stress.
Property
Value, metric
Tensile Strength
Approximately 50 MPa
Tensile Modulus
Approximately 3,500 MPa
Elongation at Break (%)
6%
Flexural Strength
Approximately 80 MPa
Flexural Modulus
Approximately 3,800 MPa
Notched Izod Impact Strength
Approximately 16 J/m
Shore Hardness
Shore D 83
Characteristics
Printing with PLA is straightforward and user-friendly, making it an excellent choice for
beginners and professionals alike. It requires lower extrusion temperatures and does not necessitate a
heated bed, though one can be used to improve adhesion. PLA has minimal warping and good layer adhesion,
resulting in high-quality prints with fine details and smooth surfaces.
Type
Value
Lead Time
1-3 business days
Wall Thickness
Minimum 0.8 mm
Tolerance
±0.15%, minimum ±0.1 mm
Max Part Size
Up to 450 x 450 x 450 mm
Layer Height
0.05 mm to 0.3 mm
Thermal Properties
Has a low heat resistance; parts may deform at relatively low temperatures.
Property
Value, metric
Heat Deflection Temperature (HDT)
Approximately 55°C at 0.455 MPa
Thermal Expansion Coefficient
Approximately 68 x 10^-6 /°C
Thermal Expansion (Scale 0-100)
60
Max Service Temperature
Up to 50°C before significant deformation may occur
Electrical Properties
Acts as an electrical insulator, suitable for non-conductive applications.
Property
Value, metric
ESD Safety
Standard PLA is not ESD safe; special ESD-safe variants are rare.
Conductivity
Non-conductive; good insulating properties
NOTE: The provided
values are approximate and can vary
based on the specific PLA formulation and
manufacturer. Always refer to the manufacturer's technical data
sheet for precise information.
Why is PLA the most popular 3D printing material for prototyping?
PLA is the most popular PLA 3D printing material because it is biodegradable, derived from
renewable resources like cornstarch, easy to print with minimal warping, and produces high-detail
parts with a smooth surface finish. It is ideal for rapid prototyping in India and worldwide.
Is PLA environmentally friendly?
Yes, PLA is considered environmentally friendly due to its biodegradability and bio-based
origin. It decomposes under industrial composting conditions, reducing plastic waste.
Can PLA be used for food-related items?
Standard PLA is not food-safe due to potential contaminants and the porous nature of 3D prints.
Food-grade PLA exists but requires careful handling and certification for food contact.
How does PLA compare to ABS in terms of strength and durability?
PLA is more rigid but less heat-resistant and impact-resistant than ABS. ABS is better for
functional parts requiring durability, while PLA is ideal for prototypes and models.
Is PLA suitable for outdoor use?
PLA degrades under prolonged exposure to sunlight and moisture, making it less suitable for
outdoor applications compared to materials like ASA or PETG.
What are the ideal print settings for PLA?
Print temperatures between 190-220°C, bed temperature of 50-60°C (though a heated bed is not
mandatory), and a print speed of 40-60 mm/s are ideal for PLA.
Do I need a heated bed to print PLA?
A heated bed is not necessary but can improve first-layer adhesion and reduce warping,
especially for larger prints.
How can I improve bed adhesion when printing with PLA?
Using adhesives like glue stick, blue painter's tape, or specialized build surfaces can enhance
bed adhesion for PLA prints.
Can PLA be printed at high speeds?
Yes, PLA can be printed at higher speeds compared to materials like ABS or Nylon, but very high
speeds may compromise print quality.
How do I prevent stringing and oozing with PLA?
Adjusting retraction settings, lowering print temperatures, and ensuring proper filament storage
can help reduce stringing.
Can PLA prints be sanded and painted?
Yes, PLA prints can be sanded to smooth surfaces and painted with acrylic or enamel paints for a
finished look.
Is it possible to smooth PLA prints chemically?
PLA does not react well to acetone smoothing like ABS. However, chemical smoothing can be
achieved using solvents like ethyl acetate with caution.
How can I join multiple PLA parts together?
PLA parts can be bonded using super glue (cyanoacrylate adhesive) or by plastic welding using a
soldering iron.
Can I drill or machine PLA prints after printing?
Yes, PLA can be drilled or machined carefully, but it's brittle compared to other plastics, so
caution is advised to prevent cracking.
How do I remove support structures from PLA prints?
Supports can be removed using pliers or cutters. Heating the supports slightly or using soluble
support materials can make removal easier.
Why is my PLA print warping or curling at the edges?
Warping can occur due to rapid cooling or poor bed adhesion. Use a heated bed, ensure proper bed
leveling, and consider using a brim or raft.
What causes PLA prints to have layer adhesion issues?
Layer adhesion problems may result from low print temperatures, too much cooling, or printing at
excessively high speeds.
Why is my PLA filament snapping or becoming brittle?
PLA is hygroscopic and absorbs moisture, making it brittle. Store filament in a dry environment
with desiccants to maintain its integrity.
How do I fix under-extrusion when printing with PLA?
Under-extrusion can be addressed by checking for nozzle clogs, ensuring correct filament
diameter settings, and verifying extruder calibration.
What causes excessive stringing in PLA prints?
Excessive stringing is often due to high print temperatures or insufficient retraction settings.
Adjust these parameters to reduce stringing.
Can I use PLA in dual-extrusion printers with other materials?
Yes, PLA can be used alongside materials like PVA for dissolvable supports or with different PLA
colors for multi-color prints.
Is annealing PLA prints beneficial?
Annealing PLA involves heating the print to improve strength and heat resistance. It can be
beneficial but may cause part shrinkage or distortion.
How does humidity affect PLA filament and printing?
Humidity can cause PLA to absorb moisture, leading to print defects like bubbles or brittleness.
Keeping filament dry is crucial.
Are there reinforced PLA composites available?
Yes, composites like Carbon Fiber PLA or Wood Filled PLA are available, offering enhanced
properties or unique aesthetics.
Can I recycle or reuse PLA scraps and failed prints?
PLA can be recycled with specialized equipment to create new filament, but the quality may
degrade. Commercial recycling options are limited.
sushant@iamrapid.com
+91
8629044664
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