Kustom Shop KH211-QT Fast-Repair Hardener - Part B QUART
Mix ratio is 4 parts 2K SPEED URETHANE CLEAR KC-210 with 1 part CATALYST KC-211 or KC-212. Where the 3.5 VOC rule applies, up to 1 ounce of KE218 Flow Enhancer may be added for additional flow. Elsewhere, up to 1/2 part KE218 May be Added