The Altozor Polyimide Film is a high-performance, no-adhesive insulating film designed for demanding applications in electronics and 3D printing. Measuring a generous 39.3 x 17.3 inches, this versatile film is available in multiple thickness options — 2, 4, and 7.9 mil — allowing you to select the right level of protection for your specific needs. Built to withstand high temperatures, it maintains its structural integrity and insulating properties even under intense heat conditions, making it an ideal choice for circuit board masking, wire insulation, and 3D printer bed surfaces. The smooth, durable surface ensures reliable adhesion for 3D prints while allowing for clean removal. Its no-adhesive design gives you the flexibility to cut and shape the film to fit your exact requirements without leaving residue behind. Whether you are a hobbyist, engineer, or professional technician, this polyimide film delivers consistent performance across a wide range of high-temp applications.