Performance: Accredited by experts who organized by the Shandong province Committee, our product has supplied a gap in China. Its major technical indicators have reached world leading level, and can be the complete substitute of imported products, such as Japan's NIPOL HS850, HS860&HS870, JSR0060 and KER1904 and HS260 etc. Item Values Testing basis Styrene content (%) 60¡À5 GB/T8658-94 Volatiles(%) ¡Ü5.0 GB/T6737-97 Organic acid content (%) 3.5-5.5 GB/T8657-92 Organic soap content (%) ¡Ü0.5 GB/T8657-92 Mooney viscosity ,ML(1+4) 45-60 GB/T1232-92 Tensile-strength (MPa) ¡Ý7.5 GB/T528-98 Schopper hardness (A) ¡Ý93 GB/T531-99. Packing & Storage: In high-strength composite bag lined with PE-coated woven bag/composite kraft paper bag, net wt. 20kg. Protect against fire, water and sunlight. Stored in cool and draughty place. Pile height: 20 bags max. Shelf life: 8 months.