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CURESTAR SRA 8710 F 20/1

CURESTAR SRA 8710 F 20/1shrinkage reducing agentshrinkage reducing additivedry mortar additivesfloor screed additive3D printing mortarlow VOCEC1 compliantpowder shrinkage reducer

CURESTAR SRA 8710 F 20/1 is a powdered shrinkage reducing agent specifically developed for dry mortar applications, based on alkyl glycols on an inorganic carrier material. Thanks to its low VOC content, it is an ideal solution for EC1 compliant formulations. It effectively reduces drying shrinkage caused by capillary water loss, preventing unwanted crack formation in mortars.

Areas of Application

This innovative additive is generally suitable for shrinkage reduction in OPC (Ordinary Portland Cement) based mortars. It performs exceptionally well in the following professional applications:

  • Floor screeds
  • Repair mortars
  • Thick-layer self-leveling compounds (SLC)
  • 3D printing mortars

Technical Specifications

Physical Form Powder
Appearance White powder with characteristic odor
Loss on Drying [%] Max. 3
Bulk Density [kg/m³] 350 - 550
pH Value (20 °C, 10% aqueous slurry) 6.0 - 8.0
Recommended Dosage [%] (Based on dry mix weight) 0.4 - 0.7
Solubility in Water Partially miscible

Packaging and Storage

The product is supplied in 20 kg paper bags. It should be stored in its unopened original packaging in a dry environment at temperatures between 5 °C and 40 °C, protected from excessive heat. Under the specified suitable storage conditions, the product has a shelf life of 1 year.




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