产品说明Product description 70N是一款以SEBS为主基材的热塑性弹性体,成型快，好配色。 70N is   a kind of thermoplastic elastomer material based on SEBS as main   material.Also it has rapid molding and easy coloring properties.   关键特性Key characteristic 1.手感柔软细腻，干爽，耐刮擦性好。Exquisite， soft and dry touch，good scratch resistance. 2.抗老化及耐腐蚀性优良。Excellent ageing resistance and corrosion resistance 3.可以包PP,PE   It can be spliced   with PP and PE 功能Function 产品应用 Main application 1 汽车用品   Automotive products 3手把Handlebar 2 运动器材Sports   equipment 4玩具产品Toy products 加工方法Processing method 注塑成型Injection molding 环保认证 Environmental certification ROHS REACH EN71-3 PAHS ASTM-F963 Phthalate 颜色Color 本色 Natural 气味Smell 少许树脂味A little resin smell 外型Appearance 圆球形小颗粒Cylindrical particle，about 3mm×1.5mm 储藏期Storage period 常温下通风干燥，24个月Ventilated dry   at normal temperature，about 24 months 包装方式Packaging method 25公斤/袋 25kg/bag 物理性能Physical properties 结果Result 单位Unit 方法Method 成型条件Molding condition 比重Specific gravity 1.03±0.02 g/cm3 ASTM D792 干燥温度Drying temp       70℃ 硬度Hardness 70±5 shoreA ASTM   D2240 干燥时间Drying time     2Hours 拉伸强度Tensile strength >4 Mpa ASTM D412 射嘴温度Nozzle temp      190℃ 断裂延伸Elongation at break <750 % ASTM D412 螺筒一段温度Screw 1 temp 180℃ 撕裂强度Tearing strength >26 Kn/m ASTM D624 螺筒二段温度Screw 2 temp 170℃ 熔融指数Melt index >9 g/10min ASTM D1238 螺筒三段温度Screw 3 temp 160℃ 注意事项Matters need attention 清洗料管 Purge compound 需使用PP或 PE清洗干净机台螺杆，且把机台射嘴彻底清除干净Please make   sure you that you have cleaned the machine screw with PP or PE, and put the   machine nozzle thoroughly clean 着色 Coloring     请选择以PE或EVA为基材之色母，切勿使用以PVC为基材者。另外加工时请采用较高的螺杆转速和较高的背压，才能让着色剂达到较好的分散效果Please select color master batch on   PE or EVA material with the exception of PVC.Higher screw speed and   backpressure are needed for better colorant dispersion 回收 Recycling 二次料（水口料）回收比率建议最多20%。 Consistent   regrind usage of up to 20% is permissible