Roger - run, do not walk, but get that WD-40 and any other aerosol lubricant out of your painting area. While WD-40's MSDS doesn't list silicone, it does say "proprietary ingredients"


Aliphatic Petroleum Distillates 64742-47-8
64742-88-7
45-50%

Petroleum Base Oil 64742-58-1
64742-53-6
64742-56-9
64742-65-0
30-35%

Non-Hazardous Ingredients Proprietary <10%

Surfactant Proprietary <2%

Carbon Dioxide 124-38-9 2-3%

Bolding is mine