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WELCOME to Cixi Dongfeng Sealing&packing web site.
Here you will find information on many different types of sealing gaskets, packings and materials which are in common used in oil chemical, metallurgy, electric power, ship-building, paper making and fertilizer industries today.
Please feel free to send us comments, request technical information or email us.
Your comments and feedback are important to us. |
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您的位置:首页>>产品展示>>铁氟龙 PTFE类>>四氟O型圈
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| 四氟O型圈 |
聚四氟乙烯的化学结构是把聚乙烯中全部氢原子取代而成。它的分子式为 |
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| 聚四氟乙烯具有杰出的优良综合性能，耐高温，耐腐蚀、不粘、自润滑、优良的介电性能、很低的摩擦系数。在PTFE中加入任何可以承受PTFE烧结温度的填充剂，它的机械性能可获得大大的改善。同时，保持PTFE其它优良性能。填充的品种有玻璃纤维、金属、金属化氧化物、石墨、二硫化钼、碳纤纖、聚酰亚胺、EKONOL…等，耐磨耗、极限PV值可提高1000倍。 |
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指标名称 |
单位 |
数值 |
密度* |
kg/m3 |
2.10-2.30X103 |
熔点 |
0C |
327 |
拉伸强度** |
Mpa |
27.6-38 |
断裂伸长度率** |
% |
238-450 |
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