Roadware MatchCrete™ Clear is a two component aliphatic polyurethane for repairing cracks, spalls, and joints in concrete subject to UV exposure from sunlight. This material is clear in appearance when applied and cured. Colored sand and pigments may be added to create color stable repairs that match most any decorative or shade of concrete surface. Roadware MatchCrete™ Clear will not significantly change color with exposure to sunlight over time. Sets in 20 - 40 minutes. Fully cures in a few hours. Uses: Repairing colored, stamped, or decorative concrete Repairing polished concrete. Repairing exposed aggregate concrete. Repairing any concrete surface where appearance is critical such as retail entryways, doorways and pool decks. Packaging: 50 ml. dual cartridge units with needle mixer.