HiQ Urethane Standard Thinner 4L*4EA (DR-421WS) Primer Can be overpainted immediately (wet-on-wet)

Can be overpainted immediately (wet-on-wet) or after drying

dark blue candy layer

polyurethane enamel

trims and full vehicle refinishing

and clearcoats

HiQ Urethane Standard Thinner 4L*4EA (DR-421WS) Primer Can be overpainted immediately (wet-on-wet)Professional grade urethane thinner designed for consistent flow, smooth application, and reliable gloss control. HiQ Urethane Standard Thinner DR 421WS (MR 20) is formulated for use with automotive basecoats, clearcoats, and 2K topcoats. It provides balanced evaporation for stable spray conditions, making it suitable for a wide range of temperatures and workshop environments. Key Benefits Compatible with basecoats, clearcoats, and 2K topcoats Medium