Item\IndexSpecies,Grade Water content Ash content Extraction of acetone Density Stretch strength Elongation rate Menni viscosity % % % g/cm3 MPa % ML(100C,1+4) Inner Tire Excellent 0.5 6 10 1.2 11 . 0 490 40 ~ 50 First Grade 0.5 8 15 1.2 8.0 480 50 ~6 0 Capsule Excellent 0.8 8 15 1.2 10. 0 480 50 ~6 0 First Grade 0.8 10 18 1.2 7.0 460 60 ~7 0 Nude packing, black or white plastic film, pallets.