Boston Micro Fabrication (BMF) has introduced two new materials for high-resolution 3D printing in the micrometer range. With the flame-retardant photopolymer FR and the aluminum oxide ceramic AL-Ceramic, the company is responding to growing requirements in safety-critical and industrial applications. The materials complement the existing portfolio, which is designed for manufacturing systems in the micro-precision range.
The FR material was specially developed for components that have to meet high fire protection requirements. With a UL94 V-0 classification at 2 millimetres, FR meets internationally recognized safety standards. Its heat resistance of 160 °C allows it to be used under thermally demanding conditions. Added to this are mechanical properties such as a tensile strength of 68 MPa and a flexural strength of 120 MPa, which are suitable for structural applications. The resin can be processed without preheating and is available in black and transparent yellow.
AL-Keramik, an aluminum oxide-based material for printing complex, temperature- and chemical-resistant micro-components, was presented at the same time. The high dimensional accuracy of BMF systems allows the production of extremely fine structures, for example for sensors, medical implants or electronic insulators. In semiconductor technology, users benefit from the dielectric properties of the material, while in the automotive industry it can be used for heat-resistant components such as housings or thermally stressed parts.
Both materials are compatible with existing BMF systems and selected third-party resins. This further increases flexibility in the choice of materials.
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