Silmix is a Siloxane based chemical additive that can be added in mortar and plaster mixes.Silmix along with the use of Ressi SBR 5850 can ensure long life of the mortar. It is recommended to use 1 Ltr of Silmix along with 1 Ltr of Ressi SBR 5850 with every 50 KG Bag of cement. This treatment will ensure that the issue of salt bursts is minimized, and the life of the mortar / Plaster is enhanced for many years to come. For further information please refer to the product technical datasheets.