RayRez® 191

Styrene Acrylic Emulsion

RayRez 191 is a styrene acrylic emulsion with a unique technology that allows
low film formation temperature providing excellent block resistance. This
technology allows RayRez 191 to be formulated as either a low VOC or low
energy cure product. Coatings formulated with RayRez 191 exhibit excellent flow,
leveling properties, and excellent adhesion. RayRez 191 is also available as an
additive to provide improvements in current formulations. These improvements
give increased block resistance, adhesion, and chemical resistance.

Key Features
  • Excellent adhesion to a wide variety of substrates
  • Outstanding block resistance
  • Improves freeze thaw cycles
  • Low VOC applications
  • Improves film properties as an additive
RayRez® 191 Typical Physical Properties
Polymer Type Styrene Acrylic Emulsion Polymer
Weight Solids 50%
Viscosity (Brookfield Model RVT) 1000 cps, #3/100 rpm
pH 9.3
Tg (MDSC) 15°C
MFFT (ASTM D-2354) 7°C
Particle size (Mean) 0.10 microns
Surfactant charge Nonionic
Weight per gallon 8.7 lbs/gal
Freeze thaw stability Passes 5 cycles
Download Technical Data Sheet


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.