General
R+D Melflux® SELECT 5421 F is a high performance superplasticizer powder based on the latest polymer technology.
It is used for flowable dry mortar products.
R+D Melflux® SELECT 5421 F is designed for flowing floor screeds - calcium sulphate or ordinary Portland cement (OPC) based screeds.
This construction additive is best used in compounds with varying clay contents.
Field of flowable applications: calcium sulphate based flowing floor
screeds, OPC based flowing floor screeds.