For many high-viscosity applications, tapered dispensing tips offer a meaningful advantage. Narrow metal tips concentrate flow resistance at the outlet, which can lead to excessive backpressure, pulsing, or repeated clogging when material viscosity is high. The tapered internal path reduces that resistance more gradually, which often produces more stable bead continuity and cleaner cutoff. That said, final selection should still be confirmed through trials — viscosity, filler content, target bead width, and actual dispensing pressure all affect how a given tip configuration will perform in your specific process.