eSUN PLA+

# eSUN PLA+

Overview

eSUN PLA+ is a modified PLA filament aimed at users who want easier printing than many engineering plastics while gaining more toughness and impact resistance than a conventional basic PLA formulation. It remains a low-warp, fan-cooled material that works on a broad range of desktop FDM printers, but its mechanical profile makes it better suited to functional prototypes, fixtures, cosplay parts, models, and everyday components that may see moderate handling or impact.

eSUN's current PLA+ technical data sheet, dated June 2026, lists 70.37 MPa XY tensile strength, 7.27 kJ/m² XY Izod impact strength, and a 53.78°C heat-deflection temperature at 0.45 MPa. Those figures come from eSUN's standardized printed test specimens and should be treated as manufacturer test results rather than guaranteed values for every printer, orientation, or part geometry.

For current product information, see the official eSUN PLA+ product page, the June 2026 PLA+ technical data sheet, and the official eSUN PLA+ store page.

Key Strengths

• Easy PLA-style printing
• Good toughness and impact resistance
• Strong layer adhesion
• Smooth printed surfaces
• Low shrinkage and low warping tendency
• 1.75 mm filament widely compatible with desktop FDM printers
• Standard brass nozzles are suitable
• No heated enclosure required for normal printing
• 210–230°C nozzle range in the latest technical data sheet
• 45–60°C bed range
• 100% fan in eSUN's standard profile
• Printing speed below 300 mm/s in the June 2026 technical data sheet
• 50°C drying for 8–12 hours when drying is needed
• Broad color selection
• Useful for prototypes, cosplay, decorative parts, fixtures, and other mechanical parts

Best For

1. Functional prototypes
2. General-purpose printed parts
3. Jigs and light-duty fixtures
4. Cosplay components
5. Models and display pieces
6. Small-batch production parts
7. Replacement parts with moderate mechanical loads
8. Everyday desktop FDM printing

Technical Specifications

Mechanical-data note: The mechanical values above come from eSUN's June 2026 PLA+ TDS and its printed-specimen test conditions.

Printing Temperature and Setup

The current eSUN PLA+ TDS recommends a 210–230°C nozzle temperature and 45–60°C bed temperature.

A practical starting point for many modern FDM printers is around 220°C nozzle and 50–60°C bed, followed by small adjustments for hotend calibration, print speed, layer height, cooling, and the specific color.

eSUN lists 100% part cooling in its standard profile.

Unlike ABS, ASA, or polycarbonate, PLA+ does not normally need an enclosed or actively heated chamber. That makes it easier to use on open-frame printers and compact desktop machines.

The latest TDS lists 0.2, 0.4, 0.6, and 0.8 mm nozzles, with no hardened-nozzle requirement for standard PLA+.

Print Speed

eSUN's June 2026 PLA+ TDS lists a recommended printing speed of below 300 mm/s.

That does not mean every printer, geometry, or profile should be run close to 300 mm/s. High-speed printing depends on:

• Hotend flow capacity
• Layer height
• Line width
• Acceleration
• Cooling
• Part geometry
• Surface-quality target

For a typical desktop printer, slower speeds can improve dimensional consistency, overhang quality, and surface finish.

Mechanical Properties

The latest manufacturer data gives eSUN PLA+ a useful combination of stiffness and toughness for a PLA-family material.

Tensile Strength

eSUN reports:

• 70.37 MPa XY tensile strength
• 36.36 MPa Z tensile strength

The difference between XY and Z values highlights the directional nature of FDM parts. Interlayer bonding remains a major factor in real-world strength.

Impact Resistance

The current TDS lists:

• 7.27 kJ/m² XY Izod impact strength
• 2.22 kJ/m² Z Izod impact strength

That makes PLA+ better suited to moderate handling and impact than a brittle visual-model material, but it should not be treated as a substitute for nylon, polycarbonate, or flexible engineering polymers where high impact performance is the primary requirement.

Flexural Properties

eSUN reports:

• 100.3 MPa XY flexural strength
• 3259.39 MPa XY flexural modulus

The material therefore remains relatively stiff while offering a tougher behavior than many basic PLA formulations.

Heat Resistance

The June 2026 technical data sheet lists a 53.78°C heat-deflection temperature at 0.45 MPa.

This is one of the main limitations of PLA+.

It is suitable for room-temperature prototypes, models, indoor fixtures, and many everyday functional components, but it is not a good choice for parts that may remain under load in hot cars, near heaters, or around high-temperature machinery.

For applications where higher service temperature matters, materials such as Prusament PETG or Prusament ASA can be more appropriate, although they require different printing conditions.

Layer Adhesion and Part Orientation

eSUN positions PLA+ as having improved toughness and layer adhesion compared with basic PLA.

The current mechanical data still shows a significant difference between XY and Z strength, so part orientation matters.

For functional components:

• Align major tensile loads with the XY plane when possible.
• Increase wall count around screw bosses and load-bearing features.
• Avoid very low nozzle temperatures when layer bonding is important.
• Use sufficient top, bottom, and perimeter thickness instead of relying only on infill percentage.

Good layer adhesion does not eliminate the anisotropy inherent to FDM printing.

Surface Finish and Dimensional Behavior

PLA+ is designed for smooth extrusion and low shrinkage.

That makes it useful for:

• Visual prototypes
• Dimensional mockups
• Models
• Cosplay pieces
• Fixtures
• Enclosures
• 3D-printing projects where post-processing should be minimal

The official eSUN store lists ±0.03 mm filament dimensional accuracy for its 1.75 mm PLA+ spool.

As with other PLA materials, sharp corners and fine detail are generally easier to preserve than with higher-shrinkage materials such as ABS.

Storage and Drying

PLA+ is easier to store than highly hygroscopic materials such as nylon, but it can still absorb enough moisture to reduce print quality.

Common moisture symptoms include:

• Popping or hissing at the nozzle
• Rough extrusion
• Excess stringing
• Small surface bubbles
• Reduced consistency

The June 2026 TDS recommends 50°C for 8–12 hours when drying is necessary.

After drying, store the spool sealed with desiccant rather than leaving it exposed for long periods in humid environments.

Post-Processing

eSUN PLA+ can be finished with common PLA post-processing methods.

Useful options include:

• Sanding
• Priming
• Painting
• Drilling
• Tapping with appropriate wall thickness
• Light machining
• Adhesive bonding

For cosplay and display models, filler primer and sanding can help hide layer lines before painting.

For functional parts, drilling or machining should be performed carefully because PLA-family materials can soften from friction-generated heat.

Colors and Finish

eSUN sells PLA+ in a broad color range, including standard, muted, bright, and specialty shades.

The material is generally intended to produce a smooth, clean surface rather than a deliberately matte or textured finish.

Color can slightly affect optimal temperature and appearance, so a small temperature tower or calibration print can be useful when changing between significantly different pigments.

Comparison Table

The table is a practical material-selection guide rather than a direct ranking. Test methods differ between manufacturers, so values from different technical data sheets should not be treated as perfectly equivalent laboratory comparisons.

eSUN PLA+ vs Polymaker PLA Pro

The eSUN PLA+ vs Polymaker PLA Pro comparison is most relevant when the goal is a tougher PLA that still prints easily.

Polymaker PLA Pro is positioned as a high-toughness, high-rigidity PLA for engineering-style applications. Its current technical data sheet lists a 58°C heat-deflection temperature at 1.8 MPa and approximately 49.8 MPa XY tensile strength under Polymaker's own test method.

eSUN PLA+ is attractive when:

• Lower material cost is important
• A broad color range matters
• Easy printing is the priority
• General prototypes and functional parts dominate

Polymaker PLA Pro is a strong alternative when a documented professional PLA profile and its particular toughness/rigidity balance are more important than the lowest spool cost.

Because the manufacturers use different test conditions, raw tensile and HDT numbers should not be compared as if they came from the same laboratory method.

eSUN PLA+ vs Prusament PETG

The eSUN PLA+ vs Prusament PETG comparison is mainly about print simplicity versus heat resistance and ductility.

Prusament PETG has a published 68°C HDT and is known for good layer adhesion, durability, and low warping.

Choose eSUN PLA+ when you want:

• Lower printing temperatures
• Strong part cooling
• Crisp visual detail
• Easy support and cleanup
• Fast, straightforward prototyping

Choose Prusament PETG when you need:

• Better heat resistance
• Tougher, less brittle behavior
• Strong layer-to-layer adhesion
• Parts exposed to moisture or more demanding mechanical use

PETG can string more and usually runs at higher nozzle and bed temperatures, while PLA+ tends to be easier for clean visual prints.

eSUN PLA+ vs Prusament ASA

The eSUN PLA+ vs Prusament ASA comparison becomes relevant when the part may see sunlight, weather, or substantially higher temperatures.

Prusament ASA is designed for outdoor and higher-temperature applications and is printed at much higher nozzle and bed temperatures than PLA+.

Choose eSUN PLA+ for indoor prototypes, models, fixtures, and everyday parts when easy printing and low warping matter most.

Choose Prusament ASA for outdoor housings, automotive accessories, weather-exposed components, and applications where UV stability and heat resistance justify the added printing requirements.

ASA is more demanding: larger parts benefit from an enclosure, ventilation is important, and warping control matters more than with PLA+.

eSUN PLA+ vs Standard PLA

The eSUN PLA+ vs standard PLA comparison is less about a universal chemistry standard and more about formulation intent.

“PLA+” is not one industry-wide specification. Each manufacturer uses its own additives and formulation.

eSUN positions PLA+ as a tougher, more impact-resistant PLA with improved layer adhesion while keeping the familiar low-warp printing behavior of PLA.

Standard PLA can still be preferable for:

• Low-cost visual models
• Very rigid decorative parts
• Applications where toughness is not important

eSUN PLA+ is a better default when the same easy-printing workflow is wanted but the part may be handled, flexed slightly, dropped, screwed together, or used functionally.

Which eSUN PLA+ Alternative Fits Best?

The best eSUN PLA+ alternative depends on the limitation you are trying to solve.

• Polymaker PLA Pro: a strong alternative for tough, rigid PLA-style engineering parts.
• Prusament PETG: better when heat resistance, durability, and layer adhesion matter more than PLA-like print behavior.
• Prusament ASA: better for outdoor, UV-exposed, and higher-temperature components.
• eSUN PLA+: a strong everyday choice when easy printing, affordability, toughness, smooth surfaces, and broad color availability need to come together.

For most indoor prototypes and light-duty functional parts, PLA+ offers a useful middle ground between basic visual-model PLA and more demanding engineering filaments.

Price and Availability

The official eSUN US store currently displays US$15.99 flash-sale pricing for the 1 kg PLA+ spool, approximately €13.94 in Europe • £11.82 in the United Kingdom • AED 58.72 in the UAE • C$22.19 in Canada • A$22.64 in Australia • ₹1,526 in India • ¥2,547 in Japan • ¥107.82 in China at current exchange rates. Pricing varies by region, color, promotions, quantity discounts, exchange rates, taxes, and shipping destination. The store also offers multiple PLA+ spool sizes and refill options beyond the 1 kg format described here.

Limitations and Practical Considerations

• Heat resistance remains modest at about 54°C HDT.
• It is not a substitute for PETG, ASA, PC, or nylon in high-temperature applications.
• FDM parts remain anisotropic; Z strength is much lower than XY strength.
• Very humid storage can reduce surface quality and extrusion consistency.
• Highly loaded structural parts should be validated in the actual print orientation.
• Mechanical values vary with printer, profile, color, geometry, and test method.
• Standard PLA+ is non-abrasive and does not require a hardened nozzle.
• A heated enclosure is unnecessary for normal printing.

Callout Section

Recommended use: Choose eSUN PLA+ for prototypes, models, cosplay, fixtures, and everyday functional FDM parts when you want PLA-style ease of printing with better toughness and impact resistance than a basic visual-model PLA.

Frequently Asked Questions