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倍韧/BESTPERNE® EN55C-11
热塑性弹性体Thermoplastic Elastomer
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产品说明Product description |
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·EN55C-11是一款以SEBS为主基材，耐热，耐候性非常好的热塑性弹性体。 ·EN55C-11 is a very good thermoplastic elastomer which has excellent heat resistance and weather resistance.It is designed based on SEBS as main base material. |
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关键特性Key characteristic |
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1.手感柔软细腻，耐刮擦性好，弹性较好，哑面。It has very soft touch feeling，good scratch resistance，excellent elasticity and dumb face。 2.抗老化及耐腐蚀性优良。The resistance to aging and causticity is also excellent。 3.可以包PP，PE。It can be spliced with PP or PE rapidly。 4.弹性及回复性都非常好。The elasticity and resilience is very good。 |
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功能Function |
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产品应用 main application |
1面罩Mask |
3电子产品Electronic products |
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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 |
0.93±0.02 |
g/cm3 |
ASTM D792 |
干燥温度Drying temp 70℃ |
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硬度Hardness |
55±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 200℃ |
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断裂延伸Elongation at break |
>400 |
% |
ASTM D412 |
螺筒一段温度Screw 1 temp 190℃ |
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撕裂强度Tearing strength |
>15 |
Kn/m |
ASTM D624 |
螺筒二段温度Screw 2 temp 180℃ |
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熔融指数Melt index |
>4 |
g/10min |
ASTM D1238 |
螺筒三段温度Screw 3 temp 170℃ |
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脱模性差
脱模性差指成型品从模具中难以取出或在取出过程中完全变形。具有粘着性的材料极 易引起这一问题，但采用在材料中添加脱模剂或成型前在模具上涂敷脱模剂的方法可以得到改善。成型品冷却不足（固化不足）也容易出现这样的问题，因此对成型品进行充分地冷却是非常必要的。另外，模具设计不合理也会成为难以脱模的原因，特别是在注胶口、进胶道等易于粘模的部位，加大注胶口的拔出角度、加宽进胶道都是非常有效的。
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