3M™ Tamper Evident Label Materials 7381/7866

3M™ Tamper Evident Label Materials 7381/7866 is a 2.0 mil topcoated gloss white VOID polyester facestock with 1.0 mil acrylic adhesive 300 on a 55 lb densified kraft liner.
  • Tamper evident feature leaves a visible void pattern when removed from substrate. Labelstock used for warrenty seal, authentication label or closure seal.
  • Tight void pattern allows for small labels.
  • 3M Performance Label offers wide range of products for long term durability and adhesion with automotive chemical resistance and outdoor durability. Some products are UL/CSA compliant materials that can be printed by Flexographic or Screen Print processes, as well as Thermal Transfer, Digital Printing, Inkjet, Laser or Dot Matrix Printing. Available with many facestocks such as Polyester, Polypropylene and Vinyl to Pharmaceutical papers or synthetics. Please refer to individual Product Datapage for specific product details.
  • Think 3M First for Label Materials used in these Key Markets - Automotive, Electronics, Medical Device, Outdoor Power Equipment, Health Care, Security, Government, Personal Care, Recreational Vehicle, Aerospace, Transportation, Packaging, Foam Fabrication and General Industrial.
  • Typical 3M Performance Label Applications include Bar Code Tracking, Track and Trace, Thermal Transfer Labels, Variable Information Printing (VIP), Brand and Instruction Labels, Warning Labels, Durable Decals, Surface Protection and Masking, Over Laminate, UV Protection, Tamper Indicating, Destructable Labels, Void Message, Fraud Reduction, Laminating, Bonding and Digital Window Graphics.
Tamper-evident--VOID. Durable polyester facestock resists harsh environments. Gloss topcoat offers excellent abrasion and chemical resistance. Tight void pattern allows for small labels. Excellent initial adhesion to low surface energy substrates. Good for indoor and outdoor exposure. 55 lb densified kraft liner provides consistent die-cutting. May also be press printed. UL recognized.


Brand 3M
Color White
Face-Side Adhesive Thickness 0.8 mil
Face-Side Adhesive Type 300 High Strength Acrylic
Facestock Polyester
Facestock Color White
Facestock Finish Void Gloss
Industries Converter Solutions, Transportation, Specialty Vehicle, Automotive, Medical, Military & Government, General Industrial, Electronics, Consumer Goods, Packaging
Length 1668 Linear Foot
Length (Metric) 508.4 m
Liner Thickness 3.2 mil
Liner Type Densified Kraft
Liner Weight 55 lb.
Maximum Operating Temperature (Fahrenheit) 150 Degree Fahrenheit
Minimum Operating Temperature (Fahrenheit) -40 Degree Fahrenheit
Moisture Resistance High
Permanent Adhesion to Metal, HSE Plastic, LSE Plastics
Plasticizer Resistance Low
Print Method Flexo|Thermal Transfer
Product Form Roll
Size Custom Slit
Solvent Resistance Medium
Topcoat TC
UV Resistance Medium
Width 54 Inch, 4.5 Inch, 6 Inch
Width (Metric) 1371.6 mm, 152.4 mm, 114.3 mm