Touchstone Silk is a two- part translucent white structural epoxy for light colored marbles, granites, quartz and engineered stones.Apllications: Countertop fabrication; Miters for marble, granite and quartz; stone lamination; and laminating stone to other construction materials. Mix Ratio: 2:1 by volume. Set Time: 2 hours @ 75°F. Improved UV color stability. Ideal for high humidity or freeze-thaw conditions. Interior, exterior, vertical and horizontal applications.