CHRYSO®Quad admixture solutions meet all the constraints of complex sands: absorption, excess or lack of fines and unfavorable form factors.
CHRYSO®Quad Solutions
CHRYSO®Quad is the first comprehensive range of admixtures and services for using all challenging sands : Lack or Excess of fines / Swelling Clay / Shape factors.
A solution to construction and sustainable development challenges
Better use your challengings sands
The new CHRYSO®Quad admixture solutions deliver the perfect response to use challenging sands and produce concrete meeting your performance criteria.
Save on production costs
The CHRYSO®Quad solutions significantly drive down your sand procurement costs.
Reduce your environmental impact
Allowing the use of a wider range of sands, including challenging sands, improves the use of local resources and shrinks your carbon footprint.
Challenging sands:
Impacts on concrete placing and performance

- Compactness – Porosity
- Slump retention – Bleeding, pumpability issues
Excess of fines
- Water / admixture needs
- Slump retention – Pumpability and workability
- Productivity – Mixing time
- Water / admixture needs
- Slump retention – Pumpability and workability
- Workability retention
- Productivity – Mixing time
- Water / admixture needs
- Slump retention – Pumpability and workability
- Workability retention
- Productivity – Mixing time
Our response:
a tailor-made solution for each sand
and/or swelling clay
- ENSURES EFFECTIVE BINDER DISPERSION
- REDUCES VISCOSITY
CHRYSO®Quad
Series 700 / 800 / 900
and/or unfavourable shape factors
- IMPROVES CONCRETE COHESIVENESS
- SIMPLIFIES FINISHING WORK
CHRYSO®Quad
Series 400 / 500 / 600

CHRYSO®Clear Test: an indispensable tool for swelling clay
We have developed a leading-edge tool for analysing sand containing swelling clay:
CHRYSO®Clear Test, a new tool, able to quickly reveal the presence of swelling clays in sands.
- Field or laboratory testing
- Immediate results