A sealant composition for treating {HEAD ~ concrete surfaces} 4 wherein the hardener is heat cured at a temperature above {TAIL ~ room temperature} 
A sealant composition for treating { HEAD ~ concrete surfaces } 4 wherein the hardener is heat cured at a temperature above { TAIL ~ room temperature }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL