人孔密封件(白加黑)

    产品描述 Product Description 罐式集装箱人孔密封圈，俗称白加黑密封圈，该产品由三元乙丙橡胶(EPDM)内芯外包聚四氟乙烯薄膜(PTFE)。
    Manhole sealing rings for tank containers, commonly known as white plus black sealingrings, are enclosed with polytetrafluoroethylene film (PTFE) by EPDM inner core.

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