Superior Stone Products Polyester Travertine knifegrade color adhesive is used are excellent for filling stones that have small scratches, cracks, chips and holes, Cured with 2%‐4% white paste hardener (BPO), these adhesives have a gel time of 3‐5 minutes and are fully cured in less than 20 minutes, Proper storage in a climate controlled room prolongs shelf life, An excellent choice for indoor applications