TPV,,TPV食品级包胶PP TPV材料 塑胶原料
倍韧/BESTPERNE® EN45A-MP
热塑性弹性体Thermoplastic Elastomer
产品说明Product description |
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EN45A-MP是一款以SEBS为主基材的热塑性弹性体,成型快,好配色。 EN45A-MP Pis a kind of thermoplastic elastomer material based on SEBS as main material.Also it has rapid molding and easy coloring properties. |
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关键特性Key characteristic |
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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 |
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功能Function |
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产品应用 Main application |
1 汽车用品 Automotive products |
3手把Handlebar |
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2 运动器材Sports equipment |
4玩具产品Toy products |
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加工方法Processing method |
注塑成型Injection molding |
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环保认证 Environmental certification |
ROHS |
REACH |
EN71-3 |
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PAHS |
ASTM-F963 |
Phthalate |
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颜色Color |
本色 Natural |
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气味Smell |
少许树脂味A little resin smell |
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外型Appearance |
圆球形小颗粒Cylindrical particle,about 3mm×1.5mm |
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储藏期Storage period |
常温下通风干燥,24个月Ventilated dry at normal temperature,about 24 months |
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包装方式Packaging method |
25公斤/袋 25kg/bag |
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物理性能Physical properties |
结果Result |
单位Unit |
方法Method |
成型条件Molding condition |
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比重Specific gravity |
1.15±0.02 |
g/cm3 |
ASTM D792 |
干燥温度Drying temp 70℃ |
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硬度Hardness |
45±5 |
shoreA |
ASTM D2240 |
干燥时间Drying time 2Hours |
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拉伸强度Tensile strength |
>3 |
Mpa |
ASTM D412 |
射嘴温度Nozzle temp 190℃ |
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断裂延伸Elongation at break |
>400 |
% |
ASTM D412 |
螺筒一段温度Screw 1 temp 180℃ |
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撕裂强度Tearing strength |
>11 |
Kn/m |
ASTM D624 |
螺筒二段温度Screw 2 temp 170℃ |
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熔融指数Melt index |
>10 |
g/10min |
ASTM D1238 |
螺筒三段温度Screw 3 temp 160℃ |
1一、如果合模装置调节不佳,肘杆机构没有伸直,产生或左右或上下合模不均衡,模具平行度不能达到的现象造成模具单侧一边被合紧而另一边不密贴的情况,则注射时将出现飞边。
2止回环磨损严重;弹簧喷嘴弹簧失效;料筒或螺杆的磨损过大;入料口冷却系统失效造成“架桥”现象;机筒调定的注料量不足,缓冲垫过小等都可能造成飞边反复出现,必须及时维修或更换配件。
3如果模具本身平行度不佳,或模板不平行,或装得不平行,或拉杆受力分布不均、变形不均,等这些都将造成合模不紧密而产生飞边。
4第二有可能是机器真正的合模力不足。在我们选择注塑机时,机器的额定合模力必须高于注射成型制品纵向投影面积在注射时形成的张力,否则将造成胀模,出现飞边。
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