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材质概况
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本产品材质以聚四氟乙烯为基
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础，另填充其它多种材料制成。This product material with PTFE as the foundation, and the other filled with a variety of other materials.
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优点：the advantages
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一、由于聚四氟乙烯具有良好的
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自润滑性能，（俗称塑料王，
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网上能查到它的相关资料）
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所以自润滑效果优异。Because PTFE has good self lubrication, (commonly known as the "king of plastic", the Internet can find information on it) so self lubricating effect is excellent
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二、价格经济实惠。The price of economic benefits
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三、适用范围广泛。Wide range of application.
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缺点：the disadvantage
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对工作环境温度不过分敏感，温
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度不宜超过70℃。The working environment temperature is not sensitive, the temperature should not exceed 70.
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