An aluminum complex base gives BIG RED™ its distinctive red color and outstanding properties. Out-performs and out-lasts lithium and calcium greases. BIG RED™ grease sprays on thick in a distinctive red color. Will not harden or melt and works over a wide range of temperatures (0°F to 350°F). BIG RED™ is 100% waterproof and withstands acids, alkalis and salt. Perfect for truck and tractor trailer applications, hinges and striker plates, farm equipment, heavy equipment and marine applications.