Sandwich system atletic tracks is all-weather synthetic track surfacing made of 4mm polyurethane and EPDM used for track and field competitions, manufactured by Reform Sports – RefRubber.
Sandwich System Polyurethane Athletic Tracks
Sandwich system polyurethane tartan track lets athletes compete in bad weather without serious performance loss (as opposed to running in what turns into mud) and improves their results over other surfaces. It also provides a more consistent surface for competition even under optimum weather. Such tartan surface have become the standard for most elite competitions.
Sandwich System Athletics Track Construction Technical Specifications
a) Asphalt Base
b) Synthetic Surface Layers
c) The 14 mm system, meeting DIN and IAAF standards is a combination of 4 mm polyurethane mixed with EPDM granules, applied on 10 mm SBR granules binded with polyurethane elastomer.