One-component pad printing ink, glossy, physically drying exhibit excellent mechanical and chemical resistance. Highly opaque, lightfastness, weather-resistant especially on non-pretreated polypropylene (PP) suited for disposable PP parts viz. syringes, centrifuge tubes, medical devices, medical parts, inhalers, counter rings, laboratory disposables, lancing devices, drug delivery devices, diagnostic products, pen systems, infusion sets, point of care tests and many more.