bltok.com Blog — self-adhesive label materials
Material selection, printing-platform guides, application know-how and export practice — written by the people who coat, slit and ship the material.
materials
Film BOPP per etichette vino: specifiche e fornitura
Perché sul vino si usa il film BOPP e non la carta: spessori 50–80 µm, liner glassine o PET, adesivo per ghiaccio e condensa, e i controlli da fare al bancale.
2026-10-30
materials
BOPP Surface Energy: Spec 38 Dyn/cm, Then Verify It
Untreated BOPP sits near 29 dyn/cm and no label ink wets that. What to specify, why corona treatment decays, and how to test a reel in ten minutes.
2026-10-29
materials
Etiquetas para bolsas de café: cara, adhesivo y liner
La bolsa de café falla por energía superficial, no por gramos de adhesivo: film frente a papel, acrílico frente a aceite, liner frente a humedad y el ancho de bobina que decide la merma.
2026-10-27
materials
Adhesive Coat Weight in gsm: What Your Label Stock Really Carries
Coat weight is quoted in gsm, approved on an average and judged on a profile. The windows by application, the balance arithmetic, and why extra glue never fixed a low-energy surface.
2026-10-27
materials
Peel Adhesion Test Conditions: Why One Roll Reads 6 N/25 mm in Guangzhou and 14 N/25 mm in Rotterdam
Peel adhesion moves with the panel, the dwell and the reporting width. How the same lot reads 6 N/25 mm in one lab and 14 in another, and how to specify it so the argument stops.
2026-10-21
materials
Direct Thermal Label Material for Hot Climates: A Spec Guide
A thermal roll is often damaged before it reaches the printer. Where the heat comes from on a hot route, what a topcoat can and cannot do, and the clauses that belong on the purchase order.
2026-10-19
materials
Trägerpapier für Etiketten: Glassine, polybeschichtetes Kraftpapier und PET-Liner im Vergleich
Glassine, polybeschichtetes Kraftpapier und PET-Folie im Vergleich: welcher Liner Stanzbild, Matrixabzug und Spendeverhalten entscheidet, und welche acht Angaben ein Angebot vergleichbar machen.
2026-10-19
materials
Food-Contact Label Material: The Compliance Documents That Actually Exist, and What They Do Not Cover
A Declaration of Compliance certifies the laminate, not your printed label. The regulatory architecture, the document chain, and the four questions to ask any supplier.
2026-10-17
materials
Pressure-Sensitive Labelstock, Layer by Layer: What Each of the Six Layers Decides
Every field failure traces back to one of six layers. The coat weights we run, what each layer really decides, and a symptom-to-layer diagnosis table for converters.
2026-10-17