Table 4 : Raw material conservation from reclaimed rubber (RR) recycling into new tires.

Manufactured compound (number of batches/year) Virgin raw material consumed
Name Amount consumed Saving in raw material
without RR with RR
  phr Kg/batch Kg/year phr Kg/batch Kg/year in Kg/year as % raw material
Tread (3000) SBR 1712 85.00 119.54 358620 85.00 110.34 331020 27600 7.70
Polybutadiene 15.00 21.1 63300 15.00 19.47 58410 4890 7.73
Carbon black 65.00 91.41 274230 65.00 84.38 253140 21090 7.69
Others 14.90 20.95 62850 14.90 19.34 58020 -- --
Reclaimeded rubber 0.00 0 0 15.00 19.47 58410 -- --
Total 179.90 253   194.90 253      

Side wall (600) SMR 20 55.00 75.72 45432 55.00 66.04 39624 5808 12.78
Polybutadiene 45.00 61.95 37170 45.00 54.04 32424 4746 12.77
Carbon black 50.00 68.83 41298 50.00 60.04 36024 5274 12.77
Others 20.70 28.5 17100 20.70 24.86 14916  --  --
Reclaimeded rubber 0.00 0 0 25.00 30.02 18012 -- --
Total 170.70 235   195.70 235      

Inner liner (700) SMR 20 70.00 106.48 74536 70.00 92.61 64827 9709 13.03
SBR 1712 30.00 45.63 31941 30.00 39.69 27783 4158 13.02
Carbon black 47.50 72.25 50575 47.50 62.85 43995 6580 13.01
Others 19.48 29.63 20741 19.48 25.77 18039 -- --
Reclaimeded rubber 0.00 0 0 25.00 33.08 23156 -- --
Total 166.98 254   191.98 254      

Hussein et al.Journal of Environmental Engineering and Ecological Science  2014 3:5DOI : 10.7243/2050-1323-3-5