In high-speed operations, thermal stability and particle size consistency are critical. Ensure the lubricant has a melting point that exceeds the heat generated at the die interface to prevent film rupture. For dry powders, a uniform grain size prevents tunneling in the lubricant box. Additionally, check the residual film properties; if the wire requires subsequent coating or welding, the lubricant must be easy to clean or compatible with downstream chemical treatments like phosphating or galvanizing.