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Label Materials Compared: Adhesives, Films and Durability
Practical guide to choose adhesives and film materials for shipping labels. Tests and tips on temperature, UV, chemicals and abrasion resistance for Swiss firms.
Quick answer
Choose adhesive and film by expected stress. Acrylic adhesives are versatile and temperature stable; rubber offers strong initial tack; silicone can be removable. Polypropylene and polyester films resist tearing and chemicals better than paper. Run temperature, UV, chemical and abrasion tests before using labels in transport or storage.
Start by defining the use case
List where labels will be used: indoor storage, cold chain (non‑regulated), direct sun, or contact with cleaning agents. Record temperature range, humidity, friction and chemical exposure. Decide if labels need to be removable or permanent.
Adhesive types: pros and cons
Acrylic: good long‑term adhesion, stable against temperature and UV—suitable for shipping and storage. Rubber: strong initial tack on rough surfaces, less resistant to heat and solvents. Silicone: high temperature tolerance and easier removal on some surfaces. Special formulations exist for high temperature or permanent bonding.
Film versus paper: durability
Paper labels are cheap and print well, but tear and lose legibility under moisture and abrasion. Polypropylene (PP) and polyester (PET) films are thin, tear‑resistant and dimensionally stable. They better withstand moisture, oils and many chemicals. For outdoor transport, synthetic films usually perform better.
How to test: temperature, UV, chemicals, abrasion
Conduct simple in‑house tests. Temperature: expose samples to min and max temperatures for several days. UV: place samples in direct sun or a UV chamber and watch for fading or adhesive failure. Chemicals: apply common solvents or cleaners and rub. Abrasion: scrub samples with a brush or abrasion tester and check print durability.
Printing and readability
Thermal transfer printing with suitable ribbons (wax‑resin or resin) improves chemical and abrasion resistance on films. Direct thermal is cheaper but less tolerant to heat and light. Always verify that barcodes and QR codes remain scannable after tests.
Practical recommendations for Swiss businesses
For construction site deliveries use PP film with rubber or acrylic adhesive for good tack on dusty cartons. For international shipping or sun‑exposed storage, consider PET film with acrylic adhesive and resin ribbons. For return labels, removable acrylic adhesives can simplify processing.
Frequently asked questions
How do I test labels quickly in my facility?
Stick samples to typical surfaces. Store them for a week under real conditions: cold, warm, humid or sunny. Perform a wipe and abrasion test and scan barcodes.
When is paper enough and when should I use film?
Paper is fine for short‑term, dry, low‑abrasion uses. Choose film for transport, outdoor storage or contact with liquids.
Which adhesive works on rough cardboard?
Rubber adhesives give strong initial tack on rough, dusty or textured surfaces. For longer durability combine rubber or acrylic adhesives with synthetic films.
Does material affect barcode readability?
Yes. Abrasion, UV fading and unsuitable print methods can reduce readability. Test barcode scans after real‑world stress.