| 释义 |
air-entraining agent air-entraining agent[¦er in¦trān·iŋ ′ā·jənt] (materials) An admixture, usually a resin, soap, or grease, for portland cement or concrete to effect air entrainment and, thus, superior properties. air-entraining agentAn addition for hydraulic cement or an admixture for concrete or mortar which causes air to be incorporated in the form of minute bubbles in the concrete or mortar during mixing, usually to increase its workability and frost resistance. |