Product Description
The eSUN ASA+ Black 1.75mm 3D Filament 1KG is a premier engineering-grade material designed for functional parts that require extreme durability, high heat resistance, and long-term environmental stability. ASA (Acrylonitrile Styrene Acrylate) is widely regarded as the ultimate outdoor alternative to ABS, providing the same high mechanical strength and impact resistance while offering exceptional UV stability. This ensures that parts printed with this material will not yellow, degrade, or become brittle when exposed to direct sunlight or harsh weather conditions.
This specialized ASA+ formula from eSUN has been optimized to provide a more stable printing experience than traditional ASA. It features significantly reduced warping and superior layer adhesion, making it easier to achieve the strict dimensional accuracy needed for high-precision CNC and 3D printer components. The sleek Black finish provides a professional, matte-like appearance that masks layer lines and matches perfectly with black-anodized aluminum extrusions and industrial hardware.
Due to its high heat deflection temperature, the eSUN ASA+ Black 1.75mm 3D Filament 1KG is the preferred choice for structural parts in enclosed 3D printers like the Voron Trident. It maintains its rigidity in high-ambient-heat environments where standard filaments would soften. Whether you are manufacturing outdoor electronics enclosures, automotive parts, or rigid brackets for a DIY CNC router, this filament delivers the industrial reliability required for professional-grade builds.
Key Features
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Exceptional UV & Weather Resistance: Specifically formulated to resist degradation from sunlight and outdoor elements, maintaining its mechanical properties over time.
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High Thermal Stability: Stays rigid and dimensionally stable at elevated temperatures, making it ideal for enclosed 3D printer chambers and automotive engine bays.
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Optimized ASA+ Formula: Engineered for lower shrinkage and better bed adhesion than standard ASA, allowing for more reliable printing of large structural parts.
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Professional Matte Black Finish: Delivers a sophisticated, high-end look that hides layer lines and complements industrial machine frames.
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Superior Impact Strength: Provides the toughness and structural integrity needed for functional mechanical mounts, housings, and protective covers.
Applications
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Printing internal structural components, gantry parts, and toolhead shrouds for Voron and CoreXY 3D printers.
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Manufacturing UV-stable outdoor enclosures for sensors, cameras, and CNC controller electronics.
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Producing durable automotive accessories, custom brackets, and marine-grade mechanical assemblies.
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Creating industrial-strength protective covers and shrouds for laser engravers and CNC machines.


















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