SBR Recycled Rubber Granules (1-4mm) for Track Base

Recycled Black SBR Granules (1-4mm)

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  • NO. Item Specifications
    I. Core Physical Specifications
    1 Raw Material Source 100% Recycled Automotive Tires. Premium tread grade rubber is selected to ensure physical toughness and elastic resilience that far exceed ordinary mixed scrap rubber.
    2 Particle Size 1.0 mm - 4.0 mm. This industry-optimized gradation forms optimal porosity and cross-linking density when mixed with PU binders for the base layer, effectively absorbing impact.
    3 Color Natural Black
    4 Bulk Density 450 - 500 kg/m³. A reasonable bulk density ensures a solid foundation while preventing material waste and excess costs per unit area.
    II. Purity & Quality Control
    5 Metal Contamination < 0.01%. Processed through a strong magnetic separation system, the extremely low metal residue ensures that the track system will not rust or oxidize during long-term rain exposure, nor will it pierce or damage the structural integrity of the EPDM surface layer above.
    6 Moisture Content < 1.0%. Strict moisture control is crucial. It effectively prevents abnormal foaming, blistering, or delamination caused by high moisture when the granules are mixed with single-component polyurethane binders (MDI system) on site.
    III. Packaging & Supply
    7 Packaging Options 25 kg moisture-proof bags (suitable for manual handling and small/medium site paving) or 1 Ton bulk bags (ideal for large stadium projects using mechanized operations, facilitating fast forklift loading and unloading).
    8 Palletizing Standard operation is 40 bags per moisture-proof pallet (totaling 1 Ton).
    9 Lead Time Standard production cycle is 7 - 12 working days.
    IV. Standards & Warranty
    10 International Standards As the foundation material of the flooring system, once the surface layer is completed, the overall site performance complies with the technical requirements of World Athletics (formerly IAAF), ITF, and FIFA, as well as the EN 14877 physical performance indicators for synthetic sports surfaces.
    11 Warranty Provided that original materials are used and standard construction procedures are followed, we offer an 8 - 10 year system performance warranty, with corresponding batch factory test reports provided with the container.