Superior Water‐Clear Polyester adhesives are used for laminating and seaming natural stone including light colored marbles such as white marble. Cured with 1%‐2% clear liquid hardener (MEKP), these adhesives have a gel time of 10‐20 minutes and are fully cured in 2‐4 hours. Shelf life at room temperature averages about one year. Available in Flowing and Knife Grade. Proper storage in a climate-controlled room prolongs shelf life. An excellent choice for indoor application.>more Be sure to TEST each substrate for bonding and appearance prior to the actual application. Use: To achieve the best results, the contact surfaces must be thoroughly cleaned and dried. Before adding the hardener, the resin may be tinted with Superior Coloring Paste to match the color of the stone. The resin is then thoroughly mixed with 1%-2% of the clear liquid hardener (MEKP) by weight. At a temperature of 70°F (21°C), the mixture stays workable for 10-15 minutes. Higher temperatures shorten the working time and lower temperatures extend the working time. After 2-4 hours, the adhesive with the stone. For indoor use only. Do NOT store above 75°F (24°C). Storage: Store indoors at room temperature. Do NOT store above 75°F (24°C). High heat and cold temperatures will adversely affect the shelf life. Avoid storage in direct sunlight and where freeze/thaw conditions may exist. Flowing Consistency: Syrup Knife Grade Consistency: Paste Mix Ratio: 1% – 2% MEKP (Clear Liquid Hardener) Gel Time: 7 -9 minutes Cure Time: 2 - 4 hours Shelf Life: 1 year Location: Indoor Use With: Natural & Engineered Stone Recommended Use: Laminating, Rodding, Crack Repair, Chip Repair