Tru-Grit Heavy-Duty Compound 1 gal , It is formulated for removing 1000-grit and finer sand scratches from both fully-cured and 24-hour old high solid and standard clears, making it the best choice of all shops. Use Tru-Grit to repair paint defects and to remove oxidation and environmental paint damage on any automotive coating. VOC Compliant. Silicone-Free.