Figure 4 Tough 75C FR Black is a flame retardant tough resin engineered for high-strength, safety-critical SLA applications. This UL compliant black photopolymer combines mechanical toughness, thermal stability, and certified flame resistance to support functional prototyping and end-use production. Designed for demanding industrial workflows, it delivers consistent performance under mechanical load, elevated temperatures, and regulated safety requirements.
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Figure 4 Tough 75C FR Black meets UL 94 V-0 requirements and provides controlled flame behavior for regulated applications. In addition, it maintains strength and impact resistance while limiting flame spread in housings, enclosures, and structural parts. As a high strength FR 3D printing material, it also delivers mechanical durability and certified fire performance without secondary treatments. This performance profile allows engineers to qualify flame-retardant parts faster while maintaining consistent mechanical behavior across production builds.
This material delivers reliable thermal stability under sustained heat exposure. With a heat deflection temperature of 75°C at 0.455 MPa, printed components retain geometry and mechanical integrity in elevated-temperature environments. As a result, engineers use the flame retardant tough resin to validate and produce parts for electronics, industrial equipment, and transportation systems where heat and load occur simultaneously.
This 3D Systems material runs consistently across Figure 4 Standalone, Modular, and Production platforms. The tightly integrated material and hardware workflow supports repeatable builds, controlled tolerances, and predictable mechanical behavior. Because the resin does not require secondary thermal curing, teams reduce post-processing time while maintaining compliance and part quality at production scale.
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