Grade Structure Block ratio 300%sretching strength Ensile strength MPA YH -501/501T Linear 30/70 5.0 20.0 YH -502/502T Linear 30/70 4.0 27.0 YH -503/503T Linear 33/67 6.0 25.0 YH -504/504T Linear 31/69 5.0 26.0 YH -561/561T Mixed 33/67 6.5 26.5 YH -602/602T Star-shaped 35/65 6.5 27.0 YH-688 Star-shaped 13/87 1.4 10.0 YH -604/604T Star-shaped 33/67 5.8 30.0 Elongation % Permanent SET % Hardness shore A Toluene Solution Viscosity at 25�¢?? and 25% mpa.s 490 24 76 600 540 16 73 180 480 16 74 2300 480 12 74 490 20 80 1200 500 36 81 250 800 4 45 530 20 78 2200 Baling Petrochemical SEBS is the polymer which is obtained through selection and hydrogenation of SBS of specific structure, in the form of white powder or granule, with features of good mechanical property, good aging resistance, superior surface texture, non-toxic, and environment-friendly. It is widely applied to food packaging materials, medical devices, soft contact materials (e.g. handle, stationery, toy), sports equipment, sealing strips, daily necessities, automobiles and consumer electronics, etc.