Gypsum Retarder
Gypsum Retarder is a dry powdered admixture used for extending the set time of gypsum or gypsum-containing blended materials. It is an organic synthetic poly-oxy-methylene amino acid of high purity.
Gypsum Retarder is a dry powdered admixture used for extending the set time of gypsum or gypsum-containing blended materials. It is an organic synthetic poly-oxy-methylene amino acid of high purity.
Mini Delayed Set is a powdered set retarding admixture that will delay the set of 1 yard of concrete for 1 hour. It can also be used to stabilize residual concrete wash water.
Mortar Set Retarder is a white powdered set retarder for use in pre-packaged mortar or concrete. It does not affect the compressive strength or the coloration of concrete.
Standard Delay Set is a powdered set retarder that will prolong the life of fresh concrete without impacting the development of early strength.
I’ve used 2 bags [Mini-Delayed Set] in the hopper, sucked concrete back, looped boom into the hopper, and recirculated! This was for 35 MPa (5,000 psi) concrete on a normal day of 20 C (70 F) and worked perfectly! Great product.