3M™ Tamper Evident Label Material 7381/7866 is on a 2.0 mil, top coated gloss white, VOID polyester facestock with 1.0 mil 3M™ Acrylic Adhesive 300 on a 55 pound densified kraft liner.
3M™ Tamper Evident Label Material 7381/7866 have 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. Good for indoor and outdoor exposure. These materials feature a 55 pound densified kraft liner provides consistent die-cutting. 3M™ Tamper Evident Label Materials 7381/7866 may also be press printed. It is UL recognized.