To manufacture these polyurethane composites the rubber granules are wetted with a pre-polymer and transferred to a mould or press, where the mix is compressed and cured. Or for sports/play surfaces laid directly at the building site, by processes similar to those employed in road construction for the laying of asphalt. The properties of the composites depend on the particle size of the rubber granules, the constitution and the amount of the polyurethane one-component adhesive and in case of the moulding process also on the degree of compaction during curing.
Bonding rubber granules with polyurethane adhesives opens possibilities to create high attractive products for improved comfort
• noise and vibration dampening
• slip resistance
• shock absorption
Moisture curing polyurethane adhesive binder used with rubber crumb and aggregates.