What is Tesa 6940?
Tesa 6940 is a specialty acrylic labeling film designed for high-speed laser engraving and secure identification. Its double-layer brittle structure allows both marking and cutting to be completed in one step, delivering efficient labeling with tamper-evident functionality. Engineered for durability and clarity, tesa 6940 meets the needs of industries requiring long-lasting labels that resist harsh environments and unauthorized removal.
Composition and Structure
- Material: Double-layer brittle acrylic film
- Color: Black (glossy)
- Adhesive system: Modified acrylic adhesive
- Thickness: Not explicitly specified, within typical 0.1 mm–0.2 mm range
- Width: Common sizes include 100 mm, 120 mm (customizable)
- Length: 200 m, 300 m (customizable)
Key Properties
- High laser engraving speed: Up to 4000 mm/second (black model)
- Excellent temperature resistance:
- Long-term up to 120°C
- Short-term up to 270°C
- Strong chemical resistance: Withstands exposure to solvents and aggressive substances
- High wear resistance: Durable surface maintains legibility under abrasion
- Anti-tampering: Film self-destructs when removed, leaving visible signs of interference
- Suitable for low surface energy substrates: Bonds well to difficult surfaces
Applications of Tesa 6940
- Automotive labeling:
- VIN numbers
- Engine bay identifiers
- Regulatory and safety labels
- Electronics labeling:
- Component identification
- Tracking and serial number labels
- Industrial applications:
- Equipment and machinery labeling
- Tamper-proof asset tags
- Chemical and heat-resistant identification solutions
Features & Benefits of Tesa 6940
- Enables one-step marking and cutting for streamlined production
- Maintains high legibility at extreme laser speeds
- Tamper-evident construction enhances security and compliance
- Strong adhesive works on challenging surfaces
- Outstanding resistance to heat, chemicals, and abrasion
- Extended label lifespan in demanding environments
Comparison with Other Adhesive Tapes
- Higher laser marking speed than most standard film labels
- Greater heat resistance compared to PET and vinyl label materials
- Superior tamper-proof properties over standard adhesive labels
- Enhanced durability and resistance under harsh chemical exposure
- Better long-term performance in automotive and industrial conditions
Why Choose VST Malaysia?
VST Malaysia provides durable, precision labeling solutions like Tesa 6940, backed by fast supply and technical expertise. Whether your application requires tamper resistance, high-speed laser compatibility, or durability in extreme environments, we ensure every roll meets your specifications. Partner with VST Malaysia for trusted labeling that performs for the life of your product.