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Expanded Graphite Gasket is punched or cut from high strength sheet which is comprised by reinforced metal sheet and expanded graphite.It integrates high strength of metal and flexibility and elasticity of non-metal,behaving good elasticity,low preload requirement,high strength,corrosion resistance and temperature stability.Furthermore,it is adopted easy manufacture process, and can be formed to complex shapes.It is usually used for pipe flange,pump,valve, pressure vessel and heat exchanger.From its easy-to-forming capability,it can be produced with complex shape gasket such as water level gauge gasket and engine cylinder gasket.
表6：柔性石墨复合垫片、强力垫片常用材料
| 金属部分 | 非金属部分 |
| 低碳钢冲剌板 | 石墨 |
| 304冲剌板 | 石棉 |
| 316L冲剌板 | 非石棉 |
| 304丝网 | |
| 316L丝网 |
