Recommended by BF Goodrich to protect aircraft Deice Boots, the product is designed to protect rubber from cracking and hardening caused by heat, ozone, and ultra violet light, and can also be used on tires and other materials.Proven in the dessert and US government testing to extend the service life of rubber parts and reduce down time and replacement costsPuts a dark, glossy finish on rubber surfaces and penetrates for lasting protection that will not flake, peel, or wash offOne gallon treats 150 to 175 sq. ft., or about 30 large tires.Once or twice every year, boots should also be treated with a chemical product called Age-Master. This soaks into the boot and rejuvenates the rubber, making the boot more elastic.The boot treatment chemicals can be expensive to buy and slightly time consuming to use but compared to the cost of new boots, they are worth it. A little extra care here and there can help keep boots looking good and working properly.Age Master #1 rubber protectant helps extend the life of de- icers so you can cut maintenance costs, slow deterioration and aging, extend service life & save money. The protect- ant isnt just a surface coat. Penetrates neoprene rubber to help retard damage from ozone, weathering and pollutants to help your de-icers stay strong and flexible. And now its economical, long lasting and easy to apply. Just follow the simple BF Goodrich guidelines. Wipe or brush on Age Master #1 protectant every 150 flight hours or at least semi-annually, for continuing protection. Age Master #1, the only rubber protectant recommended by BF Goodrich. Meets military specification MIL-P-11520E. Age Master #1 protectant is a staining material. Avoid contact with painted surfaces. Apply sparingly and let dry thoroughly before flying in rain to prevent run-back. Approved under U.S. Military Specification: MIL-P-11520E, A-A-52408