PEI Ultem Sheet – Amber & Black Flame-Retardant Plastic Board | Custom Cut

PEI Ultem Sheet – Amber & Black | High-Temperature Engineering Plastic Board Cut to Size Experience industry-leading durability, heat resistance, and electrical insulation with our premium PEI Ultem Sheets, also known as Polyetherimide plastic boards. Available in both amber transparent and black PEI sheets, these high-performance thermoplastics are ideal for demanding applications in aerospace, medical devices, electronics, and industrial engineering. Choose from standard thicknesses ranging from 6mm to 35mm (¼" to 1⅜") and customize your dimensions for precision fit and cost-effective use. Whether you're prototyping or scaling production, BeePlastic delivers high-quality Ultem plastic plates with fast turnaround, expert support, and no minimum order requirements. Why Choose Ultem PEI Sheets for Your Project? PEI (Polyetherimide) is a high-strength, flame-retardant plastic engineered for extreme environments. It offers a rare combination of thermal endurance, chemical resistance,