倍韌/BESTPERNE® EN50A-DF
熱塑性彈性體Thermoplastic Elastomer
| 產品說明Product description | |||||||
| ·EN50A-DF是一款以PP與SEBS為主基材的熱塑性彈性體,成型快。 ·EN50A-DF is a kind of thermoplastic elastomer material based on PP and SEBS as main material.Also it has rapid molding and easy coloring properties.
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| 關鍵特性Key characteristic | |||||||
| 1.手感干爽,耐刮擦性好。 Dry touch,good scratch resistance. 2.抗老化及耐腐蝕性優良。Excellent ageing resistance and corrosion resistance 3.可以包PP,PE It can be spliced with PP and PE | |||||||
| 功能Function | |||||||
| 產品應用 Main application | 1 汽車用品 Automotive products | 2 運動器材Sports equipment | |||||
| 3玩具產品Toy products |
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| 加工方法Processing method | 注塑成型Injection molding | ||||||
| 環保認證 Environmental certification | ROHS | REACH | EN71-3 | ||||
| PAHS | ASTM-F963 | Phthalate | |||||
| 顏色Color | 本色 Natural | ||||||
| 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 | 1.2±0.02 | g/cm3 | ASTM D792 | 干燥溫度Drying temp 70℃ | |||
| 硬度Hardness | 50±5 | shoreA | ASTM D2240 | 干燥時間Drying time 2Hours | |||
| 拉伸強度Tensile strength | >2 | Mpa | ASTM D412 | 射嘴溫度Nozzle temp 190℃ | |||
| 斷裂延伸Elongation at break | >300 | % | ASTM D412 | 螺筒一段溫度Screw 1 temp 180℃ | |||
| 撕裂強度Tearing strength | >10 | Kn/m | ASTM D624 | 螺筒二段溫度Screw 2 temp 170℃ | |||
| 熔融指數Melt index | >10 | g/10min | ASTM D1238 | 螺筒三段溫度Screw 3 temp 160℃ | |||
色澤不均一
在采用TPE顆粒和干混料為顏料的母體混合物進行著色時,很容易出現成 型品色澤不均一的現象。作為對策,提高螺桿反壓,強化填料時混煉都是有效的。
白化現象
指穩定劑等配合劑遷移至成型品表面,其表面像噴上粉一樣呈現出一種白色現象。TPE在一般的環境下使用時很少會出現白化的問題,但在高溫、潮濕、戶外長期使用的場合,為提高耐久性在配合上追加耐熱穩定劑、耐侯穩定劑是十分必要的。特別是高溫下,因其極易引起遷移,所以穩定劑的選擇也是相當重要的。


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