4 lb Rub Test for Hot Stamping Foil Explained
## Direct answer for buyers and technical teams explain the 4 lb weighted rub test, result wording and limitations for hot stamping foil. For product documents, customer reports and supplier comparison, foil selection should not rely only on colour, gloss or a supplier name. Buyers should confirm the target substrate, surface treatment, stamping equipment, finishing route and expected handling risk. This is particularly important for actual order paper, soft-touch film and specialty paper, where coating, surface energy and roughness can vary by supplier and lot. ## Product information and…