在该领域的性能优势：耐高温性、优良的机械加工性、抗辐射性、阻燃性、低烟、无毒、耐水解、耐腐蚀性。在大多数应用条件下，同时要求3～4种以上性能优势时优先选择使用聚醚醚酮材料。
该领域的以往材料绝大部分使用金属材料，金属材料的弊端为材质本身硬度及尺寸稳定性较好，但是耐腐蚀、耐磨、韧性相对较差，造成了磨损更换、腐蚀变形、冲击断裂等情况时有发生，大大增加了设备的停机次数，提高了设备的运行成本；以聚醚醚酮替代原有金属材质后，在强度和尺寸稳定性方面没有明显下降，同时，在耐腐蚀、耐磨、冲击韧性等方面有了大幅度的提高。
PEEK优异的特性可制造化学工艺及运输部件、石油天然气相关部件、容器、管道、阀门、压缩机部件、活塞环、密封、模具、纺织机械件等。
Performance advantages in this field:high temperature resistance,excellent mechanical processability,radiation resistance,flame retardancy,low smoke,non-toxic,hydrolysis resistance,corrosion resistance.Under most application conditions,polyether ether ketone materials are preferred when more than 3 or 4 performance advantages are required.
Most of the naterials in this field uesd metal materials in the past.The disadvantage of metal materials is that the hardness and dimensional stability of metal materials are good,but the corrosion resistance,wear resistance and toughness are relatively poor.As a result,wear replacement,corrosion defornation and impact fracture occur from time to time ,which greatly increases the downtime of the equipment and increases the operating cost of the equipment.After replacing the original metal material with polyether ether ketone,there is no obvious decrease in strength and dimensional stability,at the same time,the corrosion resistance,wear resistance and impact toughness have been greatly improved.
PEEK has excellent characteristics in the manufacture of chemical process and transportation components,oil and gas related components,containers,pipelines,valves,compressor components,piston rings,seals,moulds,textile machinery parts,etc.
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活塞环 |
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