Prep K primer is required when fastening cast acrylic, extruded acrylic, polycarbonate and foamed PVC using Bostik Seal’n’bond adhesive. Prep K is also necessary for fastening aluminium composite and solid PVC with Bostik High Tack adhesive.
Bostik primer Prep K is an adhesive primer that is recommended when fastening cast acrylic, extruded acrylic, polycarbonate and foamed PVC using Seal’n’bond adhesive. It is also required if you are using High Tack adhesive to fasten aluminium composite panels or solid PVC sheets. Pre-treating these surfaces is necessary for ensuring a solid and strong adhesive bond. Prep K comes in a 500 ml container.