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Indoor structural surfaces
Designed to slow the drying process
Can be overpainted immediately (wet-on-wet) or after drying
6 inch (150mm) size with 15 holes for dust extraction
HiQ Urethane Standard Thinner 4L*4EA (DR-421WS) Primer Indoor structural surfacesProfessional 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
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