Home Chryso®EasyDrain S20 Chryso®EasyDrain S20 Stabilizing agent for pervious concrete Download or Add Documents. Technical Data Sheet Description Chryso®EasyDrain S20 is a stabilising admixture developed specifically for pervious concrete. It controls cement hydration and improves workability retention, helping maintain consistency during transport, placement, and finishing operations. Designed for low‑workability concrete mixes, Chryso®EasyDrain S20 acts as a workability regulator to facilitate the production and placement of pervious concrete. The product is intended for use in combination with Chryso®EasyDrain R10. Application areas Chryso®EasyDrain S20 is suitable for: Pervious concrete Designed for use with Chryso®EasyDrain R10 as part of the EasyDrain pervious concrete system. Benefits Controls cement hydration Improves workability retention Facilitates transport and placement of pervious concrete Suitable for low‑workability concrete mixes Supports consistent production of pervious concrete Designed for use as part of the Chryso® EasyDrain system