TPR、东莞TPR原料厂家、TPR的价格 TPR材料 塑胶原料LF8602A
减少料筒温度对色差的影响
生产中常常会遇到因某个加热圈损坏失效或是加热控制部分失控长烧造成料筒温度剧烈变化从而产生色差。这类原因产生的色差很容易判定，一般加热圈损坏失效产生色差的同时会伴随着塑化不均现象，而加热控制部分失控长烧常伴随着产品气斑、严重变色甚至焦化现象。因此生产中需经常检查加热部分，发现加热部分损坏或失控时及时更换维修，以减少这类色差产生几率。
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产品说明Product description |
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·LF8602A是一款食品医疗级高分子新材料。 ·LF8602A is a new kind of food and medical grade polymer material.
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关键特性Key characteristic |
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1.好成型，易混色Easy molding and easy coloring. 2.回复性，耐高温性好High resilience and excellent high temperature resistance. 3.耐老化性能，耐化学溶剂优Excellent ageing resistance and chemical solvent 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 |
婴儿用品Baby products |
医疗用品Medical devices |
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厨具用品Kitchen 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 |
半透明Translucent |
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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 |
0.89±0.02 |
g/cm3 |
ASTM D792 |
干燥温度Drying temp 80 ℃ |
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硬度Hardness |
85±5 |
shoreA |
ASTM D2240 |
干燥时间Drying time 2h |
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拉伸强度Tensile strength |
>8 |
Mpa |
ASTM D412 |
射嘴温度Nozzle temp 200℃ |
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断裂延伸Elongation at break |
<800 |
% |
ASTM D412 |
螺筒一段温度Screw 1 temp 200℃ |
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撕裂强度Tearing strength |
>50 |
Kn/m |
ASTM D624 |
螺筒二段温度Screw 2 temp 190℃ |
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熔融指数Melt index |
>3 |
g/10min |
ASTM D1238 |
螺筒三段温度Screw 3 temp 180℃ |
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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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着色 Coloring
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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. |
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回收 Recycling |
二次料（水口料）回收比率建议最多5%. Consistent regrind usage of up to 5% is permissible. |
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