Features of PU binders
- Easy to handle and store
- Very easy to process
- Extremely strong bond
- Crystal clear
How are polyurethane binders and EPDM granules installed?
In order to be installed as a sports/fall protection surface, the EPDM granules are mixed with the liquid polyurethane binder. This creates a thin film of binder (coating) around every EPDM granule. The properties of polyurethane that ensure hardening of the surface are used to create a non-slip surface. The remaining isocyanate groups at the end of the long polymer chains react with water molecules in the air. Once all the isocyanate groups in the polyurethane binders have reacted with the humidity in the air, the binder is no longer liquid and bonds the EPDM granules together.
