What's the Difference Between Rust Bullet Standard and Rust Bullet Auto?

Rust Bullet Standard and Rust Bullet Auto

Rust Bullet offers their product in both Standard and Automotive Formulas. So what's the difference?

Both provide tough, durable coatings with excellent rust prevention properties, and both can be applied directly over rusted metal. The difference is that the Automotive Formula is made specifically for use with the HVLP spray systems that are commonly used for automotive applications. It is a bit thinner than the Standard Formula for easier spraying, although it can be rolled or brushed as well, and it contains a bit more metal. The finished result of the Automotive Formula is also smoother than the Standard, perfect for use on any vehicle.