Centrament Retard K 33 (Formerly known as MC Erstarrungsbremse K 33) Chloride free Concrete Retarder with Plasticizing Properties Properties Chloride freeAdmixed with all types of standard cementsConcrete retarder with plasticizing propertiesSet retarder and plasticizerIncreases workability Applications For Piling, Pre-stressed concrete workFor bridge building, ready-mix concreteCan also be used in mass concretingCan be admixed with all type of standard cements DOWNLOADS Technical Datasheet Centrament Retard K 33