NT-312 SURFACE CLEANING THINNER – is a mixture of organic solvents (also known as surface cleaning thinner) used to clean surfaces prior to painting or coating in automotive, industrial and general painting applications. Its main role is to remove contaminants such as grease, wax, oil and other residues that can cause defects such as fish eyes, poor adhesion and uneven surfaces. NT-312 helps prepare the surface for better adhesion of paint and improves the overall quality and durability of the paint job.