Permatex Ceramic Extreme Brake Parts Lubricant is a 100% synthetic lubricant containing real ceramic solids for extreme performance under the most critical braking conditions. A purple, non-melting formula, this premium lubricant is Permatex's longest lasting, most temperature resistant way to silence brake noise such as squealing and chattering. Also effective in preventing long bolt and sleeve seizing and galling;  excellent on rolling and sliding surfaces operating in wet or dry conditions from -65 degrees Fahrenheit to 3000 degrees Fahrenheit. This product assures that critical brake parts remain lubricated throughout brake pad life. Resistant to corrosion and contaminants, it will not wash out. Compatible with internal/external brake rubber and plastic hardware, including ethylene-propylene rubber. From special-mission, job-specific lubricants, protectants and dressings, to the rigors of heavy-duty needs, count on Permatex to bring you reliability and problem-solving solutions that extend the life of your equipment.