Natural Rubber Rises Modestly (+0.43%); BR-NR Spread Narrows, Substitution Effect Eases
Natural rubber front-month settled at CNY 19,700/t (+0.43%), while butadiene rubber rose to CNY 16,170/t (+1.51%). Their spread narrowed to CNY 3,530/t — down 18% from September’s peak — indicating reduced substitution pressure and stronger cost support for synthetic rubber.