释义 |
DictionarySeeretarderretarding admixture
retarder1. In paint, varnish, or lacquer, a high-boiling solvent used to lower evaporation rate of the volatile ingredients. 2. An admixture which delays the setting of cement paste or the setting of mixtures such as mortar or concrete containing cement. 3. An additive, mixed with plaster to control the rate of hardening. |