Accura Xtreme Black Resin for Durable SLA 3D Prototypes

Seeing black in a positive light New deep-black SLA printing material now available from Speedpart

2026-03-24 Source: Speedpart 2 min Reading Time

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According to Speedpart, the printable plastic material Accura Xtreme Black helps meet current requirements in additive manufacturing.

The comparison between the SLA-printable plastics Accura Xtreme Grey (top) and the robust newcomer Accura Xtreme Black now used by Speedpart, which represents a cost-effective and deep-black alternative to mechanically machined plastic prototypes ...(Source: Speedpart) — The comparison between the SLA-printable plastics Accura Xtreme Grey (top) and the robust newcomer Accura Xtreme Black now used by Speedpart, which represents a cost-effective and deep-black alternative to mechanically machined plastic prototypes ...
(Source: Speedpart)

The demands placed on 3D-printed components are evolving rapidly, says Speedpart of Hasloch am Main. Shape, detail accuracy and material properties of additively manufactured parts now need to match those of series components as closely as possible. Only then can tests and functional prototypes deliver meaningful results under real application conditions. With Accura Xtreme Black from 3D Systems, a new SLA resin is now available that meets precisely these requirements: it is robust, capable of highly detailed printing and deep black in color. That makes the material especially suitable for form, fit and functional applications, says Speedpart. It stands out, for example, through the durability of demanding assemblies such as housings that need to withstand mechanical stress.

Reliable printing of fine details

Layer thicknesses starting at 0.05 millimetres make it possible to reproduce fine details, while wall thicknesses from 0.25 millimetres and tolerances of ± 0.03 millimetres ensure reliable implementation of complex geometries. Even with the basic finish, the result is a smooth and visually appealing surface. By means of blasting, the component surface can be refined to a uniform matte anthracite finish. For applications with particularly high visual requirements, a fine-finish process is also available that selectively smooths visible areas and creates a premium appearance. In combination with precise SLA technology, this makes it possible to print functional prototypes that can already withstand demanding requirements. As one of the first providers on the market, Speedpart has added Accura Xtreme Black to its portfolio.

A product example showing how finely detailed and true to contour initial components can be printed with Accura Xtreme Black ...(Source: Speedpart) — A product example showing how finely detailed and true to contour initial components can be printed with Accura Xtreme Black ...
(Source: Speedpart)

A “clear edge” for 3D-printed parts

Accura Xtreme Black complements Speedpart’s SLA materials portfolio, which also includes Accura Xtreme Grey and Accura Clearvue. It combines the robust mechanical performance of Grey with a deep-black appearance that simulates realistic production parts. Speedpart notes that this high-performance prototype resin is also suitable for components with snap-fit functions or for parts used in consumer electronics. In addition, master patterns for silicone or RTV moulds can be printed efficiently. Its deep-black color matches the aesthetics of injection-moulded plastic parts while at the same time offering a cost-effective alternative to CNC-machined thermoplastics. According to the manufacturer, the low-viscosity formulation supports clean process control in SLA printing and helps to produce sharp contours, clear edges and high dimensional accuracy reliably, an advantage in development environments where quality and reproducibility are critical.

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