The NEXT Generation of Polyurea For Decorative & Polish ConcreteBasic UseJoint Seal 600 UV (formerly E-Z Pour) is an interior horizontal concrete joint and random crack sealant for commercial, retail, grocery, residential, decorative and other concrete floors.Note: Joint Seal 600 UV can be used for crack repair outside for level un-slopped areas Features & Benefits Aliphatic Polyurea - UV Stable does not yellow or discolor from sun or UV Lighting! 600% Elongation @ 83 Shore A Hardness more than twice of elongation of aromatic polyurea! Longer Wet-Out time to increase adhesion to joint side walls which reduce joint edge separation! Moisture Tolerant – does not swell in presence of water or moisture! Package in One Gallon Kits either 4 Quart Units or 2 Half-Gallon Units No expensive electric pump needed! Half the cost of 600ml cartridges along with! None of the problems you have with pumps and with cartridges! Half the cost per gallon of 600ml cartridges! 24 Standard Colors, Custom Colors are available! Joint Seal 600 UV Meets Requirements for the Following ASTM Standards ASTM C639 - Self-Leveling ASTM C661 - Shore A 77 ASTM C1246 - No Cracking of Chalking ASTM C679 - Tack Free Time - 1 hour ASTM C510 - No Stain or Color Change ASTM C793 - No Cracking of Chalking ASTM C719 - "0" Separation ASTM C794 - 16.72 (lbf/in.)