material: natural and butyl strength: 7MP, 8MP, 10MP, 13MP, 14.7MP elongation: 380%, 400%, 450%, 480%, 500% Product Feature: ... , for tractor tire, for PRC, OTR tire: A.18.4-38 16.9-38 14.9-38 13.6-38 12 ... -32; D.18.4-30 16.9-30 14.9-30;E.14.9-28 12.4-28; F. 26.5 ... .5-25 13.00-25; F.12.4-24 14.9-24 1600-24 1400-24 1200-24 11.2 ... 28*9-15;15.600/650(175/185)-14 450/500-14 400/450-14; M.550/650(175/185)-13 135/ ...