Sika® Retarder-50

Conforms to the requirements of BS EN 934-2 Table 8
DoC 90726371, certified by Factory Production Control Body 0120 and provided with the UKCA mark
DoP 76238927, certified by Factory Production Control Body 1029 and provided with the CE mark

Hydrocarboxylate and carbohydrate blend

12 months from date of production if stored properly in undamaged unopened, original sealed packaging.

Store in dry conditions at temperatures between +5°C and +25°C. Protect from direct sunlight and frost.

1.21 kg/L

<0.1% w/w (chloride free)

<10.0 % w/w (alkali content)

Sika® Retarder-50 should be dispensed through suitably calibrated dosing equipment

Sika® Retarder-50 should not be mixed directly with the following admixtures prior to dispensing as solids can form in the mixture.  This can cause increased viscosity and pump / pipe blockages:

Sika® Plastiment®-190

SikaRapid®-1

SikaRapid®-800 ECO

Sika® Viscoflow®-1000

Sika® Viscoflow®-2000

Important: Always conduct trials before combining products in specific mixes and contact our Technical Service Department for information and advice about any specific combinations.

0.2–2.0 % by weight of cement

• The standard rules of good concreting practice, concerning production and placing, are to be followed.
• Laboratory trials shall 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.
• Sika® Retarder-50 shall not be added to dry cement
• Overdosing will result in an increase in setting time