聚酯弹性体Celanese Hytrel 7246 7246HS
TPEE的特性是:
1. 优异的抗弯曲疲劳性能
2. 瞬间高温性能
3. 优异的耐冲击性能,尤其是在低温(-40℃)
4. 良好的抗撕裂性和耐磨性
5. 出色的耐化学性和耐候性
6. 优异的电性能
7. 优异的电荷承受能力
8. 与ABS，PBT和PC等材料具有粘结性
9. 与油漆，胶水和金属均具有粘结性
10. 加工的多样性和易与加工，熔融流动性好，熔融状态稳定，收缩率低，结晶速度快。
由于TPEE具有突出的机械强度、优良的回弹性和宽广的使用温度等综合性能，在汽车制件、液压软管、电缆电线、电子电器、工业制品、文体用品、生物材料等领域得到了广泛的应用，其中在汽车工业中的应用最广，占70%以上。
THERMOPLASTIC POLYESTER ELASTOMER Common features of Hytrel® thermoplastic polyester elastomer include mechanical and physical properties such as exceptional toughness and resilience, high resistance to creep, impact and flex fatigue, flexibility at low temperatures and good retention of properties at elevated temperatures. In addition, it resists many industrial chemicals, oils and solvents. Special grades include heat stabilised, flame retardant, food contact compliant, blow molding and extrusion grades. Concentrates offered include black pigments, UV protection additives, heat stabilisers, and flame retardants. Hytrel® thermoplastic polyester elastomer is plasticiser free. The good melt stability of Hytrel® thermoplastic polyester elastomer normally enables the recycling of properly handled production waste. If recycling is not possible, we recommend, as the preferred option, incineration with energy recovery (-24 kJ/g of base polymer) in appropriately equipped installations. For disposal, local regulations have to be observed. Hytrel® thermoplastic polyester elastomer typically is used in demanding applications in the automotive, fluid power, electrical/electronic, consumer goods, appliance and power tool, sporting goods, furniture, industrial and off-road transportation/equipment industry. Hytrel® 6356 is a medium modulus grade with nominal hardness of 63D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion. Typical applications: Hose and tubing, mandrels, wire and cable, film, profiles, seals, gears, sprockets, fuel tanks, containers with good permeation resistance to gases and liquids.
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