Polymer Nation SP-20 Flexible Urethane Membrane
Product Overview
Polymer Nation SP-20 is a flexible aromatic urethane that has extreme tensile strength with an A shore hardness of 75. It is easy to install, has little odor and has elongation of over 1000%. It far outperforms epoxy membranes in crack-bridging and as a waterproofing membranes under Polymer Nation floor systems.
Uses and Benefits
Polymer Nation SP-20 is primarily used as a membrane in parking decks and waterproofing applications. It can also be used as a flexible broadcast resin, as a binder in flexible floor applications and bulked up using fumed silica to make a flexible patching paste.
Technical Data Sheet
The data below was gathered at temperatures of 72-75°F and 30-50% R
| Mix Ratio by Volume | 4.30 A:.70 B |
| Mixed Viscosity | 2000 cP 25°C/77°F |
| Gel Time | 23 minutes |
| Dry to Touch | 2.5 hours |
| Through Dry | 4 hours |
| Dry to Walk | 8 hours |
| Dry to Light Use | 12 hours |
| Full Cure | 7 days |
| Shore A Hardness | A40 @ 24 hours |
| Shore A Hardness | D75 @ 7 days |
| Gloss @ 60 Degree Angle | 75-80 |
| VOC’s of Mixed Material | <8 g/l EPA Method 24 |
| Color Scale | N/A |
| Solids by Volume Mixed | 100% |
| Application in Mils | 20-30 |
| Available Colors | Light Gray |