RayCryl® 451

RayCryl 451 Technical Bulletin
Acrylic Emulsion for Polymer Admix

RayCryl 451 is a 100% acrylic emulsion designed for blending with cement and concrete products.  Specifically designed as a polymer modifier for cement, RayCryl 451 provides excellent workability, flexibility and compressive strength.  It exhibits outstanding pot life under high temperature condition.


Suggested Uses Suggested Uses
Wood Primer Excellent tannin stain block resistance
Stain-blocking primers Outstanding adhesion
Low VOC formulations
Key Features
  • Superior compressive strength
  • Excellent workability and flexibility
  • Outstanding pot life
RayCryl® 451 Typical Physical Properties
Polymer Type Acrylic emulsion polymer
Weight Solids 45 – 47%
Viscosity (Brookfield Model RVT) 50 – 500 cps, #2/100 rpm
pH 9.0 – 10.0
Tg (MDSC) 11oC
MFFT (ASTM D-2354) 9oC
Particle size (Mean) 0.25 microns
Surfactant charge Nonionic
Weight per gallon 8.75 lbs/gal
Bulking value not available
Freeze thaw stability Do Not Freeze

If any product is defective in workmanship or materials, Specialty Polymers, Inc. will replace the product. The information contained in this Technical Bulletin is intended to be a guideline. It is offered in good faith, but without guarantee. We recommend users of the product perform their own testing to determine the suitability of the product in their application.