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Soft Pack

Seal Label

Premium Seal Label (Tax Stamp / Closure Label) for Soft Pack

The Seal Label (often used as a Tax Stamp or "U-Seal") is the critical functional and regulatory component for soft-pack cigarette packaging. Applied across the top of the pack, it serves as the primary closure mechanism, a tamper-evident seal, and a platform for government-mandated tax compliance. Our seal labels are engineered with high-strength adhesives and specialized paper stocks that ensure a secure bond to the overwrap or paper label, while maintaining clean tear-lines for the consumer upon first opening.

Product Specifications
Technical Parameter Specification Range Test Method
Material Base Wet-Strength Paper/Metallized Paper /
Plastic Film
ISO 536
Basis Weight 60-90g/㎡ ISO 536
Adhesive Type Hot-Melt / High-Tack Acrylic (Pressure
Sensitive)
Chemical Analysis
Tensile Strength ≥2.5kN/m ISO 1924
Whiteness /
Brightness
≥85% ISO 2470
Printing Method Gravure/ Offset/Flexographic Visual Inspection
Dimensional Tolerance ±0.15mm Precision Die-Cutting
Fiber Tear > 90% (Ensures Tamper Evidence) Manual Peel Test

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