倍韌/BESTPERNE® TU8511
熱塑性彈性體Thermoplastic Elastomer
| 產品說明Product description | |||||||
| · TU8511是一款聚氨酯材料,可以快速成型,不粘模具。 · TU8511 is a kind of polyurethane material which can be taken shape rapidly.Also it has excellent non-stick mold property.
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| 關鍵特性Key characteristic | |||||||
| 1.高強度,高韌性high strength,high toughness 2.超高的耐磨性和回彈性excellent wear resistance and high resilience 3.成型速度快,不析出rapid molding and not easy to precipitate. | |||||||
| 功能Function | |||||||
| 產品應用 Main application | 手機保護Phone protective cover | 電腦Computer | |||||
| 儀器外殼Instrument shell | 電子器件粘膠配件Electronic plastic accessories | ||||||
| 加工方法Processing method | 注塑成型Injection molding | ||||||
| 環保認證 Environmental certification | ROHS | REACH | EN71-3 | ||||
| PAHS | ASTM-F963 | Phthalate | |||||
| 顏色Color | 透明Transparent | ||||||
| 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±0.03 | g/cm3 | ASTM D792 | 干燥溫度Drying temp 90℃ | |||
| 硬度Hardness | 85±5 | shoreA | ASTM D2240 | 干燥時間Drying time 3Hours | |||
| 拉伸強度Tensile strength | >24 | Mpa | ASTM D412 | 射嘴溫度Nozzle temp 190℃ | |||
| 斷裂延伸Elongation at break | >500 | % | ASTM D412 | 螺筒一段溫度Screw 1 temp 180℃ | |||
| 撕裂強度Tearing strength | >90 | Kn/m | ASTM D624 | 螺筒二段溫度Screw 2 temp 180℃ | |||
| 熔融指數Melt index | >10 | g/10min | ASTM D1238 | 螺筒三段溫度Screw 3 temp 170℃ | |||
注射成型
TPV的注射成型與硫化橡膠的相比,成型期短(不像硫化橡膠需保持一定時間)。TPV既可制備單純的注塑成型制品,也可與其他鏈烯類材料共用制備雙色成型制品。由于TPV具有鏈烯類硬段,與其他鏈烯烴互溶性好,無需特別的粘合層(靠熔融粘合),很容易實施與PP/TPO/TPE等鏈烯類材質的嵌入成型即雙重注射成型,使產品整體牢固,使用壽命長,還可實現與聚酞胺等極性材質的雙色成型[5]。TPV用于汽車密封條的注射成型,可將密封條的注射成型、玻璃的熔融固化成型及二者的熱粘合融于一條生產線上,使密封條與玻璃成為牢固的整體,大大提高密封性。


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