Sika® Retarder liquid

Modified phosphates

12 months from date of production

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.

~1,14 kg/l

~8,0

< 0,1 % by weight

< 6,0 % by weight

Sika® Retarder liquid may be combined with many other Sika products.

Trials must always be carried out before combining products in specific mixes. Contact Sika Technical Services for additional information and any specific combinations.

The standard rules of good concreting practice, concerning production and placing must be followed.
Laboratory trials must be carried out before concreting on site, especially when using a new mix design or producing new concrete components.
Fresh concrete must be cured properly and curing applied as early as possible.

When using Sika® Retarder liquid, a suitable mix design must be calculated. The local material sources used within the mix design must always be trialled and approved for suitability before commencement of the project.

The formwork for retarded concrete must not be water absorbing. Effective curing is mandatory and achieved by suitable surface protection, e.g. covering with membranes, curing compounds, watering or other approved techniques.

Sika® Retarder liquid must be measured using suitable equipment then added to the batching gauging water or both added together at the same time into the concrete mixer.

Sika® Retarder liquid must not be added to dry cement.

Sika® Retarder liquid must not be combined with antifreeze admixtures (setting acceleration admixtures).

0,2–2,0 % by weight of cement

Note: Application at higher dosages will increase the retardation effects.