The 4351 thinner 1 is a mild diluents designed for MG Chemicals EMI/RFI shielding products. Plastic safe: compatible with most sensitive substrate used in electronic parts and Enclosures moderately fast evaporation rate applications & usage this thinner is used to dilute EMI/RFI shielding coatings that require mild, plastic safe solvents. When preparing a surface to be painted, this solvent is also effective at removing various contaminants like oil and greasy flux residues without harming the substrate. Make necessary adjustments according to your spray gun equipment usage instructions. Dilutions of 1. 0 (paint): 1. 0 (thinner) is a good starting point. If sagging is observed, reduce the thinner ratio. * for laboratory and technical use only, not for retail sale *