Bianco composite work top scratch repair Scratch to Bianco composite work top is polished out to save a client from replacing the whole kitchen section. 1 Scratch is visible under the market pen. 2 The dark scratch is obvious from any point in the kitchen on the white background. 3 Once polished out it is completely gone and the Quartz is back to its original shine and look. 4 Close up of the repair without the pen now. see more repairs