Profile: Palmer Products Corp. manufactures friction materials or brake linings and brake blocks for cars, trucks, draglines, off highway construction and mining equipment. We offer Mirro-Mastic® that is the industry standard for a high-quality adhesive mastic. Mirro-Mastic® is formulated for adhering plate glass mirror and acrylic mirror to various substrates. Mirro-Mastic® has been field and laboratory tested for compatibility with all major brands of mirror and backing paints.