TPE原料厂家直销|TPE|长安TPE材料厂家(食品医疗) 电缆电线
要解决TPE制品黄变(变色)问题，一要从TPE原材料配方入手。
1.TPE的基材的选择.建议用氢化SBS(SEBS)替代SBS，SEBS高分子结构单元中不含不饱和双键，比SBS具有更为稳定的化学特性，如更为优良的抗紫外线和耐老化性能.
2.配方中添加功能助剂.对于耐老化抗紫外线有很高要求的制品，可以在TPE配方体系中添加抗氧剂、抗紫外线UV-E剂等助剂，提高TPE材料的耐老化抗黄变性能.
3.油的选择.建议选择多次加氢的油.特别是对于透明的软性TPE材质，油的品质对TPE制品颜色的稳定性颇有关联.
倍韧/BESTPERNE® ES7001E
热塑性弹性体Thermoplastic Elastomer
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产品说明Product description |
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·ES7001E是一款SEBS透明材料，具有优异耐候性和特别舒适的手感。可快速成型。 ·ES7001E is a kind of transparent polymer material based on SEBS which has excellent weather resistance and special comfortable touch.Also it can be taken shape rapidly. |
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关键特性Key characteristic |
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1.表面微哑，手感细腻柔软A little dumb on the surface，exquisite and soft touch. 2.成型快，不粘模具Rapid molding，non-stick mold. 3.耐黄变，耐候性能好Excellent yellowing resistance and weather resistance. 4.可以包胶PP It can be spliced with PP. |
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功能Function |
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产品应用 Main application |
运动器材Sports equipment |
电子产品Electrical products |
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汽车产品Automotive products |
玩具公仔Toy dolls |
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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 |
透明transparent |
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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，12个月Ventilated dry at normal temperature，about 12 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 |
0.9±0.02 |
g/cm3 |
ASTM D792 |
干燥温度Drying temp 70℃ |
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硬度Hardness |
72±5 |
shoreA |
ASTM D2240 |
干燥时间Drying time 2Hours |
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拉伸强度Tensile strength |
>4 |
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 |
>25 |
Kn/m |
ASTM D624 |
螺筒二段温度Screw 2 temp 180℃ |
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熔融指数Melt index |
>6 |
g/10min |
ASTM D1238 |
螺筒三段温度Screw 3 temp 170℃ |
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注意事项Matters need attention |
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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. |
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