MAGIC LUBE is an exceptional product for lubricant and sealing. It's been formulated to be corrosion free on many materials including rubber, even in the most adverse conditions such as salt. MAGIC LUBE is a PTFE based, multipurpose sealant/lubricant that can be used in both wet and dry environments with a temperature range of -10F to -425F. It forms a durable, adhesive film that prevents contact, even under severe shock loads.