It is normal that you would like to check out the different products that seem similar to each other. Dielectric grease is not an electric conductor which means that electricity will not be able to pass through.
Vaseline is different in that sense because this is a type of petroleum that will flare up, burn, or conduct electricity if it is exposed to an electric current and other things. Another main difference between the two is their melting point.
The melting point of Vaseline is very low when compared to dielectric grease. Dielectric grease will have the ability to take extreme heat and temperatures because it will not burn.
Dielectric Grease is also known as tune-up grease. It is silicon-based and prevents moisture from electrical connections. With repelling this moisture, it also prevents corrosion on the connection. Vaseline is also known as petroleum jelly.
It is mainly used to lock in moisture in the skin and prevent it from being dry. Along with the use of them, another difference between dielectric grease and Vaseline is in regard to their chemical properties.
Dielectric grease does not have the ability to conduct electricity, while Vaseline does. Another difference between them is that dielectric grease has a high melting point. Vaseline has alone one.