ABS HF Filament Strength and Heat Resistance: What Our Tests Show

iSANMATE ABS HF high-speed ABS filament and 3D printed parts

High-speed 3D printing demands more than fast material flow. For functional parts, a high-speed ABS filament must also deliver the mechanical strength and heat resistance needed for its intended application.

iSANMATE ABS HF (High-Flow ABS) is developed to support higher material flow and faster printing while retaining the practical properties of ABS. But how does it perform beyond printing speed?

In this article, we examine its tensile test results and heat deflection temperature (HDT), including a measured HDT of 108.5°C, to provide a clearer picture of its material performance.

ABS HF Filament Strength: Does High-Speed Printing Affect Performance?

Strength is an important consideration when choosing an ABS filament, especially for functional parts that need to withstand mechanical stress. With high-speed printing, more material must pass through the hotend in less time. Consistent extrusion and proper layer bonding become particularly important as printing speed increases.

This raises a practical question: can high-speed ABS deliver the mechanical performance needed for functional applications?

Mechanical Strength of iSANMATE ABS HF

We conducted tensile tests on iSANMATE ABS HF specimens in both X–Y and Z directions to evaluate their mechanical properties. The results are shown below:

Mechanical PropertyX–YZ
Tensile Strength40.28 MPa16.77 MPa
Elongation at Break4.50%2.75%
Tensile Modulus1,074.16 MPa715.48 MPa

These results show the directional differences in the mechanical performance of FDM-printed ABS HF specimens. In FDM printing, parts are built layer by layer, so their mechanical properties can vary depending on print orientation and layer bonding. Parts loaded across layer interfaces may behave differently from those loaded along the printed layers. It is also important to consider the printing conditions used to prepare the test specimens. Printing speed, nozzle temperature, cooling, and part design can all influence the final result.

For a direct comparison of mechanical properties between ABS HF and regular ABS, see our ABS HF vs Regular ABS comparison.

Tensile strength testing of iSANMATE ABS HF filament

ABS Heat Resistance: iSANMATE ABS HF Reaches 108.5°C HDT

Functional parts may be exposed to heat from nearby electronic components, mechanical systems, or their surrounding environment. In these situations, a material’s ability to maintain its shape under heat becomes an important selection factor.

To evaluate the thermal performance of iSANMATE ABS HF, we conducted a heat deflection temperature test.

iSANMATE ABS HF heat deflection temperature test result of 108

Heat Deflection Temperature Test Results

iSANMATE ABS HF recorded a heat deflection temperature of 108.5°C. This result provides a measurable reference for understanding the heat resistance of iSANMATE ABS HF.

HDT measures the temperature at which a plastic specimen reaches a specified deformation under a defined load. It is useful for comparing the thermal performance of materials under standardized conditions.

However, HDT is not the same as melting temperature or maximum continuous operating temperature. It should not be interpreted as a guarantee that a printed part can operate continuously at 108.5°C. Actual performance also depends on the applied load, part geometry, wall thickness, print orientation, and operating environment.

What Does 108.5°C Mean for 3D Printed Parts?

For users choosing a high-speed ABS filament, the HDT result offers another reference beyond printing speed and mechanical strength.

ABS HF may be suitable for functional applications where a combination of mechanical performance and resistance to moderate heat is required, such as:

  • Electronic housings: Protective enclosures and covers for electronic components.
  • Mechanical brackets: Mounting parts and supports used in equipment.
  • Workshop fixtures: Custom holders, jigs, and functional tools.
  • Household components: Practical accessories exposed to everyday temperature changes.

These are potential application areas, not guaranteed operating-temperature ratings. For components exposed to sustained heat or significant mechanical loads, test the finished part under its intended working conditions.

High-Speed ABS Filament Properties Beyond Printing Speed

A high-speed ABS filament needs to do more than support faster extrusion. Print consistency, mechanical performance, and thermal properties all contribute to the quality of the finished part. iSANMATE ABS HF is designed around higher material flow to help improve printing efficiency on compatible 3D printers.

Here are some key performance references:

Performance PropertyiSANMATE ABS H
Tensile Strength (X–Y)40.28 MPa
Tensile Strength (Z)16.77 MPa
Heat deflection temperature108.5°C
Recommended Printing Speed200–300 mm/s
Tested Printing SpeedUp to 500 mm/s

The recommended speed range provides a practical starting point for many compatible printers, while the 500 mm/s result demonstrates the material’s high-speed printing capability under suitable conditions.

Actual printing performance depends on hotend flow capacity, nozzle size, printer configuration, model geometry, and printing settings. The maximum tested speed should not be treated as a universal setting for every printer or model.

For more details about material flow, speed testing, and recommended settings, see our High-Speed ABS Filament Guide.

What Can You Make with High-Speed ABS?

The combination of printing efficiency, mechanical properties, and heat resistance makes ABS HF worth considering for a range of functional 3D printing projects.

Potential applications include:

  • Mechanical components: Brackets, supports, and mounting parts.
  • Electronic enclosures: Protective housings and equipment covers.
  • Workshop tools and fixtures: Custom jigs, holders, and practical accessories.
  • Functional prototypes: Parts that need to be produced and evaluated quickly.

For these applications, the material should be selected according to the actual mechanical and thermal requirements of the finished part.

If dimensional stability is a concern, proper bed adhesion and a suitable printing environment are also important. See our ABS Filament Printing Guide for more printing recommendations

Functional mechanical parts printed with iSANMATE high-speed ABS filament

Conclusion

High-speed printing is valuable, but speed alone does not define a good functional 3D printing material.

iSANMATE ABS HF combines high-flow printing characteristics with tested mechanical properties and a measured heat deflection temperature of 108.5°C under specified test conditions.

These results offer useful reference points for makers and engineers evaluating ABS HF for functional 3D printing.

Looking for a high-speed ABS filament for your next project? Contact Our Team to learn more about the material and its applications.