RayCryl® 918K

Reactive 100% Acrylic Polymer

RayCryl 918K is a reactive 100% acrylic emulsion for catalyzed systems. Its cross linkable chemistry offers outstanding block and water resistance as well as excellent exterior durability. Its hydroxyl functionality allows compatibility with isocyanate, which provides superior chemical resistance.

Key Features
  • Outstanding chemical resistance
  • Very good water resistance
  • Excellent UV resistance and exterior durability
  • Reacts with isocyanate
  • Excellent hot tire pick up resistance after 24-hour cure
RayCryl® 918K Typical Physical Properties
Polymer Type Acrylic Emulsion Polymer
Weight Solids 45%
Viscosity (Brookfield Model RVT) 750 cps, #3/100 rpm
pH 6.4
Tg (MDSC) 13°C
MFFT (ASTM D-2354) 3°C
Particle size (Mean) 0.13 microns
Surfactant charge Anionic
Weight per gallon 8.7 lbs/gal
Freeze thaw stability Do Not Freeze
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.