常用的密封材料分为哪几种?各有什么特点和用途?

2025-03-15 20:58:39
推荐回答(1个)
回答1:

2.减摩及抗磨材料 有碳素材料、轴承合金、硬质合金、堆焊合金、工程陶瓷、喷涂材料等。它具有良好的耐热、耐寒及较高的热导率,是制造机械密封、活塞环及间隙密封等动密封装置的摩擦副材料。 3.金属及非金属材料 有有色金属、黑色金属、硬质合金、贵金属等,用以制造密封制品中除摩擦副之外的其他零件。 4.油脂及固体润滑剂 用于密封润滑系统及作为软填料的浸渍剂和添加剂。详见下表。表 密封材料的主要类别类别材料用途纤维植物纤维棉、麻、纸、软木垫片、软填料、防尘密封件、夹布橡胶密封件动物纤维毛、毡、皮革垫片、软填料、成型填料、油封、防尘密封件矿物纤维石棉垫片、软填料人造纤维有机合成纤维、玻璃纤维、石墨纤维、陶瓷纤维软填料、夹布橡胶密封件弹塑性体橡胶合成橡胶、天然橡胶垫片、成型填料、油封、软填料、防尘密封件、全封闭密封件塑料氟塑料、尼龙、聚乙烯、酚醛塑料、氯化聚醚、聚苯醚、聚苯硫醚垫片、成型填料、油封、软填料、硬填料、活塞环、机械密封、防尘密封件、全封闭密封件密封胶液态密封胶、厌氧胶垫片、导管联接、螺纹密封无机材料碳石墨焙烧碳、电化石墨机械密封、硬填料动力密封、间隙密封工程陶瓷氧化铝瓷、滑石瓷、金属陶瓷、氮化硅、硼化铬金属有色金属铜、铝、铅、锌、锡及其合金垫片、软填料、机械密封、迷宫密封、硬填料、间隙密封黑色金属碳钢、铸铁、不锈钢、堆焊合金、喷涂粉末垫片、机械密封、硬填料、活塞环、间隙密封、动力密封、防尘密封件、全封闭密封件、成型填料硬质合金钨钴硬质合金、钨钴钛硬质合金、钢结硬质合金机械密封贵金属金、银、铟、钽高真空密封、高压密封、低温密封 油、脂及固体润滑剂用于密封润滑系统及作为软填料的浸渍剂和添加剂。

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