3M™ Tamper Evident Label Material 7380 is on a 2.3 mil, matte white, VOID polyester, tamper-indicating facestock with 1.0 mil 3M™ Acrylic Adhesive 300 on a 55 pound densified kraft liner.
3M™ Tamper Evident Label Material 7380 features a durable polyester facestock that resists harsh environments, and a gloss top coat offers excellent abrasion and chemical resistance. A tight void pattern allows for small labels and excellent initial adhesion to low surface energy substrates. 3M™ Tamper Evident Label Materials 7380 are good for indoor and outdoor exposure. This material features a 55 pound densified kraft liner that provides consistent die-cutting. It may also be press printed and it is UL recognized.