Batimix WR-S Series

Water reducers for concrete with improved slump retention


BATIMIX WR-S Series products are high-performance liquid water-reducing admixtures for concrete based on high-grade lignosulphonates blended with selected chemicals to improve slump retention over time.

Main Purpose

BATIMIX WR-S Series products are designed to significantly improve the workability of concrete and effectively reduce free water content. They are particularly suitable for hot weather concreting where a delayed setting of the mix is sought to allow for sufficient time for delivery, placement, and finishing operations.

These products disperse the fine cementitious particles in concrete mixes by electrostatic repulsion and adsorption. By adding these powerful dispersants to the mix, higher than normal concrete strength grades are achieved with reduced cement contents and increased workability.

Applications include all types of plain and reinforced concrete castings such as plain, self-consolidating, precast, ready-mixed, lightweight, pumped concrete, and shotcrete.


Concrete prepared with BATIMIX WR-S Series products is characterized by the following:

In the plastic state:

  • Improved workability without adding extra water
  • Reduced water content up to 18% with minimum secondary effects
  • Better slump retention over time, relevant for hot weather concreting
  • Reduced segregation, particularly in lean mixes with a higher slump

In the hardened state:

  • Increased strengths – compressive, flexural, and bonding
  • Reduced water permeability and shrinkage
  • Improved concrete durability and surface appearance


BATIMIX WR-S Series includes the following products:

  • Batimix WR 100-S
  • Batimix WR 200-S
  • Batimix WR 300-S
  • Batimix WR 400-S

A variety of products from within this series is available to meet the specific requirements of customers. Products highlighted in bold are featured in the cement additives brochure.



Health & Safety

BATIMIX WR-S Series are not hazardous materials. However, they should not be swallowed or allowed to come into contact with skin and eyes. Suitable gloves and goggles should be worn. For additional information, kindly refer to the product’s Material Safety Data Sheet.