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Definition and Core Characteristics
Customised sticky labels, also known as pressure-sensitive labels (PSLs), are specialized adhesive materials engineered for temporary or permanent application on various surfaces. These labels consist of three primary components: the face stock (printing surface), adhesive layer, and liner (backing paper). According to industry standards (FINAT and TLMI specifications), modern Custom Labels demonstrate peel adhesion values ranging from 2.5 N/25mm to 15 N/25mm, with tack levels between 1.5 N to 12 N depending on the adhesive formulation.
Technical Specifications
Material Composition: Face stocks vary from 60gsm paper to 200μm plastic films, with adhesive thickness typically between 15-50μm. The liner component generally ranges from 60-120gsm kraft or glassine paper.
Performance Metrics: High-quality Custom Labels maintain adhesion integrity across temperature ranges of -40°C to 150°C, with UV resistance lasting 6-24 months depending on environmental conditions and material selection.
Key Features with Professional Data
Customization Capabilities
Modern digital printing technologies enable resolution up to 2400 dpi with color gamuts covering 98% of Pantone colors. Advanced printing systems can produce minimum font sizes of 4pt while maintaining legibility, and support variable data printing with processing speeds exceeding 100 meters/minute.
Adhesive Performance
Specialized adhesives demonstrate initial tack values between 1.8-8.5 N and ultimate adhesion strength of 5-28 N/25mm. Removable variants maintain clean removal properties for up to 24 months, while permanent adhesives develop full bond strength within 24-72 hours of application.
Durability Characteristics
Premium labels exhibit scratch resistance exceeding 1,000 cycles (ASTM D4060 standard), chemical resistance to 50+ common solvents, and moisture resistance maintaining integrity at 95% relative humidity. Outdoor-grade materials can withstand 3-5 years of direct weather exposure without significant degradation.
Material Variants
The industry offers over 200 material combinations, including:
Paper stocks: 80-300gsm with opacity ratings of 94-99%
Synthetic materials: Polyester (25-250μm), Polypropylene (50-200μm), PE (80-300μm)
Specialty materials: Tamper-evident films, metallized substrates, clean-room compatible materials
Application Scenarios
Retail and Product Labeling
Custom labels serve as primary product identifiers with scannable barcodes achieving 99.9% first-pass read rates. Retail labels incorporate security features including 20-50μm holographic strips and void patterns that reveal tampering attempts. Price promotion labels demonstrate 15-30% higher consumer engagement compared to non-labeled products.
Industrial and Logistics
Shipping labels withstand temperature fluctuations from -25°C to 80°C while maintaining scannability. Chemical-resistant variants protect against pH levels of 2-12 and common industrial solvents. Tracking labels incorporate QR codes with error correction up to 30%, ensuring readability despite partial damage.
Healthcare and Laboratory
Medical-grade labels maintain adhesion through 3-5 sterilization cycles and cryogenic storage at -196°C. Autoclave-compatible labels withstand 121°C at 15 PSI for 60 minutes while remaining legible. Laboratory specimens utilize labels with chemical resistance to 100+ laboratory reagents including formaldehyde and xylene.
Food and Beverage Industry
Food-contact compliant labels meet FDA 21 CFR 175.105 standards and maintain adhesion through refrigeration cycles from 4°C to 25°C. Moisture-resistant variants withstand condensation up to 100% relative humidity while freezer-grade labels maintain performance at -40°C for up to 24 months.
Office and Organizational Use
Color-coded filing systems improve document retrieval speed by 40-60%. Removable office labels maintain clean removal properties for up to 12 months without residue. Custom-shaped labels enhance brand recognition with 70% higher recall rates compared to standard rectangular labels.
Comprehensive Maintenance Guidelines
Storage Conditions
Optimal storage requires temperature control between 18-24°C with relative humidity maintained at 40-60% RH. Labels should be stored flat with pressure not exceeding 2 kg/cm². UV-sensitive materials require storage in darkness with maximum light exposure of 50 lux.
Application Surface Preparation
Surface energy should measure ≥36 dynes/cm for proper adhesion. Cleaning with 70% isopropyl alcohol achieves optimal surface preparation. Application temperature should range between 15-35°C with application pressure of 2-4 kg/cm² for optimal bonding.
Long-term Preservation
For extended outdoor use, apply UV-protective laminates with thickness of 25-50μm. Regular inspection should check for adhesive bleed, which typically occurs after 18-36 months in high-temperature environments. Chemical exposure should be limited to concentrations below 10% for acids and 5% for solvents unless specifically rated for higher concentrations.
Cleaning Procedures
Use mild detergents with pH between 6-8 and soft cloths with pressure not exceeding 1 kg/cm². Avoid abrasive cleaners with particle size >50μm. For disinfecting medical labels, use solutions with ≤10% sodium hypochlorite and contact time under 2 minutes.
Removal Techniques
Heat removal at 60-80°C reduces adhesive strength by 70-80%. Use citrus-based solvents with d-limonene concentration of 80-100g/L for residue removal. Mechanical removal should maintain peel angles of 135-180 degrees at speeds below 10 cm/second.
