duoMatrix™ NEO Retarder

duoMatrix™ NEO Retarder

Extend the working time of duoMatrix™ NEO by adding a very small amount of duoMatrix™ NEO Retarder to the mix. For best results, the retarder must be added to water, mixed well and then pre-mixed with NEO – Part B (liquid) before mixing with Part A (powder).

If “drill” mixing—this method will extend the working time from about 6 minutes to 45 minutes. Demold time will slowed from 1 hour to 4 hours.


Step 1: Make A Liquid Concentrate: Add 1 teaspoon of Matrix™ Retarder to 1-cup water and mix well.

Step 2: Add 1 teaspoon of Concentrate to Part B - liquid and mix well.

Step 3: Add Part A – powder as directed above

Guide: Add 1 teaspoon of concentrate for every pound (0.45 kg.) of total NEO mix – A+B.

Related Categories: Polymer Modifiers for Concrete and Gypsum

Related Series: duoMatrix™ Systems – Polymer Modified Concrete and Gypsum