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Tyre Industries has improved the tyre performance from T rated std performance to ZR-rated ultra-high performance over the period. Accordingly, GRP has evolved from std reclaim to ultra-high TS reclaim. Now the challenge before tyre industries is to meet the sustainability goals as well as high-performance demands. GRP R&D has developed a high-performance, sustainable material that is a unique material offering exceptionally better properties than the standard reclaim materials. It offers exceptional cost reduction by enabling higher virgin NR replacement, at 5 parts NR replacement, and material performance close to that of virgin NR. At 20 parts NR replacement- matches the performance of 5 parts replacement using standard reclaim grades.
The petroleum-based plasticisers have been used in rubber compounds, over the years, for increasing softness or flexibility, lowering the glass transition temperature, reducing crystallisation, increasing dispersion, or lowering the cost of the compound.
The plasticisers make the rubber compounds wetting and lubricity during mixing, which improves dispersion of ingredients in the compounds, and processability in the subsequent processes such as extrusion, calendaring, sheeting, moulding, etc.
One of the rubber industry concerns is the oozing of oil to the rubber surface owing to the diffusion of the comparatively low-molecular-weight materials (oil) in the rubber matrix. This is especially prevalent when these materials are subjected to ageing conditions. This is the most common reason for the observed lowering of the mechanical properties after ageing. This oil blooming also creates mould fouling issues in the process.
As all these rubber plasticisers are derived from petroleum oil, they cannot reduce the carbon footprint of rubber products. The petroleum resources on Earth will possibly be depleted in the next century. The Rubber industry is facing a challenge of the petroleum reserves, and green resources are desperately needed.
To meet our business partners’ commitment to bring down the carbon footprint, GRP -R&D has developed a value-added new sustainable polymeric plasticiser from the end-of-life tyres, tubes, and other industrial waste materials. This material offers a complete sustainable solution, improves processability, enhances the product performance, lowers material cost and better material handling.