用于往复运动液压油缸活塞杆防尘材料：丁晴胶硬度HS75聚氨酯硬度HS85工作温度：-40+80FC形防尘密封FC-12dDHdDFC-1212181218FC-1414201420FC-16162241622FC-1818241824FC-2222282228FC-2828362836FC-36364453644FC-4040484048FC-4545534553FC-5656665666FC-7070807080FC-909010090100FC-110110125110125FC-1401401558.5140155)