3.應力缺陷
(1)原因分析
制品存在銳利的內邊緣或棱角,存在應力缺口,容易導致應力集中。在遇到外力拉伸撕裂時,制品撕裂多從這些位置開始。
(2)改善方法
產品及模具設計時盡量避免尖銳或突兀的角,轉角處盡量設計成圓弧狀,以減少應力缺陷。
當然,若SBS類合金彈性體都不能滿足材料撕裂強度要求,可考慮選用其他分子鏈或基材的TPE,如TPV、TPEE等
| 產品說明Product description | ||||
| ·ENB60A5-01是一款以SEBS為主基材的熱塑性彈性體,成型快。 ·ENB60A5-01 is a kind of thermoplastic elastomer material based on SEBS as main material.Also it has rapid molding .
| ||||
| 關鍵特性Key characteristic | ||||
| 1.手感柔軟細膩,干爽,耐刮擦性好。Exquisite, soft and 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 | 3手把Handlebar | ||
|
| 2 運動器材Sports equipment | 4玩具產品Toy products | ||
| 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 | 黑色 Black | |||
| 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 | |||
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