A: Dielectric grease is different from Vaseline, as it uses a silicone base while Vaseline is petroleum jelly, which is made of waxes and minerals. Don’t use Vaseline in your car.

Additionally, silicone grease can be used in a wide range of temperatures (generally from -76°F to 572°F), Plus, it’s relatively inexpensive addition to your toolbox: A tube costs around $5.

Valparaiso-based Sunocs LLC has been acquired by the Cincinnati-based specialty chemical company Kodiak LLC. Sunocs operates the largest grease and silicone manufacturing facility in North America ...