RayFlex® 787
Self-Crosslinking Acrylic Emulsion
RayFlex 787 is an APEO free, self-crosslinking, 100% acrylic emulsion designed for flexible roof coatings. Coatings formulated with RayFlex 787 have excellent water and efflorescence resistance, low temperature flexibility, and outstanding tensile properties. RayFlex 787 provides superior adhesion to polyurethane foam and various construction substrates.
Key Features
- Superior adhesion to polyurethane foam
- Excellent dirt pickup resistance
- Excellent tensile properties
- Very good water resistance and low temperature flexibility
- APEO free
RayFlex® 787 Typical Physical Properties
| Polymer Type | 100% Acrylic Emulsion Polymer |
| Weight Solids | 55% |
| Viscosity (Brookfield Model RVT) | 520 cps, #3/100 rpm |
| pH | 7.2 |
| Tg (MDSC) | -26°C |
| MFFT (ASTM D-2354) | <0°C |
| Particle size (Mean) | 0.18 microns |
| Surfactant charge | Anionic |
| Weight per gallon | 8.6 lbs/gal |
| Freeze thaw stability | Do Not Freeze |
IMPORTANT INFORMATION
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.