食品包裝材料需要具備幾種特性，包括：密封性好，低萃取，以及可延長食品保質期等。消費者對包裝內容物的知情訴求以及對琳瑯滿目商品的視覺疲憊，直接促使現在大多數食品包裝都需要通過透明和顏色鮮艷的材料來吸引消費者的注意力，也為熱塑性彈性體產品應用于食品行業提供了很好的機會。
1用熱塑性彈性體做食品包裝，有幾大好處:
,它能夠與不同的塑料結合在一起，外觀和手感都很好；
第二，具有良好的耐化學性以及在不同環境中的穩定性，比如耐紫外線，即在長時間光照下不容易變色；
第三，幾乎沒有氣味和味道；
另外，熱塑性彈性體還有一個的優勢，就是它便于回收。
| 產品說明Product description | ||||||||
| ·SU70F-02是一款高性能新型的高分子材料，具有優異的耐磨、耐污耐舊、耐熱性能。 ·SU70F-02is a new kind of high performance polymer material which has excellent wear resistance，stain resistance，old resistance and heat resistance properties. | ||||||||
| 關鍵特性Key characteristic | ||||||||
| 1.表面微亮，手感細膩柔軟爽滑A little bright on the surface，exquisite，smooth and soft touch. 2.粘接強度非常高,可粘接材質:ABS、PC 、TPU Very high bonding strength，adhesive materials：ABS、PC、TPU. 3.超耐磨高強度,高回復性,抗變形Excellent wear resistance and deformation resistance，high strength and resilience. 4.成型快、不粘模具Rapid molding，non-stick mold. | ||||||||
| 功能Function | ||||||||
| 產品應用 Main application | 智能腕帶Smart bracelet | 手機保護套Phone protective cover | ||||||
| 儀器外殼Instrument shell | 電子器件粘膠配件Electronic plastic accessories | |||||||
| 加工方法Processing method | 注塑、擠出成型Injection and extrusion molding | |||||||
| 環保認證 Environmental certification | ROHS | REACH | EN71-3 | |||||
| PAHS | ASTM-F963 | Phthalate | ||||||
| 顏色Color | 白色White | |||||||
| 氣味Smell | 少許樹脂味A little resin smell | |||||||
| 外型Appearance | 圓球形小顆粒Cylindrical particle，about 3mm×1.5mm | |||||||
| 儲藏期Storage period | 常溫下通風干燥，24個月Ventilated dry at normal temperature，about 24 months | |||||||
| 包裝方式Packaging method | 25公斤/袋 25kg/bag | |||||||
| 物理性能Physical properties | 結果Result | 單位Unit | 方法Method | 成型條件Molding condition | ||||
| 比重Specific gravity | 1.16±0.02 | g/cm3 | ASTM D792 | 干燥溫度Drying temp 90 ℃ | ||||
| 硬度Hardness | 70±5 | shoreA | ASTM D2240 | 干燥時間Drying time 3h | ||||
| 拉伸強度Tensile strength | >10 | Mpa | ASTM D412 | 射嘴溫度Nozzle temp 190℃ | ||||
| 斷裂延伸Elongation at break | <700 | % | ASTM D412 | 螺筒一段溫度Screw 1 temp 180℃ | ||||
| 撕裂強度Tearing strength | >48 | Kn/m | ASTM D624 | 螺筒二段溫度Screw 2 temp 170℃ | ||||
| 熔融指數Melt index | >20 | g/10min | ASTM D1238 | 螺筒三段溫度Screw 3 temp 160℃ | ||||
| 注意事項Matters need attention | ||||||||
| 清洗料管 Purge compound | 需使用PP或 PE清洗干凈機臺螺桿，且把機臺射嘴清除干凈Please make sure you that you have cleaned the machine screw with PP or PE, and put the machine nozzle thoroughly clean. | |||||||
| 著色 Coloring
| 請選擇以PE或EVA為基材之色母，切勿使用以PVC為基材者。另外加工時請采用較高的螺桿轉速和較高的背壓，才能讓著色劑達到較好的分散效果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）回收比率建議最多10%. Consistent regrind usage of up to 10% is permissible. | |||||||
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