UP-Labels HTF is a heat-activated transfer film designed for precise, economically priced marking of vulcanised tire sidewalls made from natural and synthetic rubber. It is suited for marking parameters such as 1st harmonic, imbalance, conicity and optimising internal production processes. The flexible Heat Transfer Film adapts to the surface structure of various sidewalls, ensuring accurate and reliable marking and can be used in all worldwide established hot stamp marking machines where traditonal hot stamp foils are used.