HOT BONDING PROCESS
HOT BONDING PROCESS I. SURFACE PREPARATION Substrate surface to be lined is inspected visually before shot blasted. Any defects like welding imperfection, under cut and uneven surface to be rectified to get uniform lining. Blasting, all surface to be lined shall be blasted in accordance wit h SSPC SP-10/Sa 2.1/2 to ensure that surface is clean and free from rusts and scales. Finally, the blasted surface is cleaned with solvent to get rid of dust, dirt and foreign particles, if any. II. ADHESIVE APPLICATION . The primer is applied to be blasted surface to assist metal to rubber bonding dry time for the primer is 1 hour (minimum) up to 96 hours (self life). 2. After primer is completely dried, bonding agent ( Adhesive ) is applied to the surface. Dry time for the adhesive is 1 hour (minimum) up to 48 hours (self life). 3. Finally, a layer of rubber based adhesive is applied on the surface to get an opti...