English 
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SANDWICH
RUNNING TRACK SYSTEM
Main Construction Steps
.Primer and rubber elastic layer paving
.Full-PU material with EPDM powder for sealing on the rubber surface
.Full-PU material for middle layer coating
.Full-PU surface layer coating with EPDM broadcast or Spray-coat layer on top
The sandwich running track is impermeable and its surface is comprised of graded, black SBR rubber granules mixing with single component polyurethane binder together.
The top surface layer is a composition of colored EPDM granules and similarly colored two-component polyurethane or spray special colorful spray-coot material mix with EPDM rubber.
The layout, track lines and event markings are in accordance with the latest edition of the IAAF rules and regulations.
SANDWICH
RUNNING TRACK SYSTEM
Main Construction Steps
.Primer and rubber elastic layer paving
.Full-PU material with EPDM powder for sealing on the rubber surface
.Full-PU material for middle layer coating
.Full-PU surface layer coating with EPDM broadcast or Spray-coat layer on top
The sandwich running track is impermeable and its surface is comprised of graded, black SBR rubber granules mixing with single component polyurethane binder together.
The top surface layer is a composition of colored EPDM granules and similarly colored two-component polyurethane or spray special colorful spray-coot material mix with EPDM rubber.
The layout, track lines and event markings are in accordance with the latest edition of the IAAF rules and regulations.
