聚氨酯星型圈 PU橡胶耐磨X形密封件O型圈 聚氨酯星型圈 PU橡胶耐磨X形密封件O型圈 高精密微小公差 橡胶圈线径厚度截面标准断面密封圈 进口品质系列 高气密防水密封圈 硅胶30硬度40度软高弹性密封圈 硅橡胶防水圈 灯饰防水电器防水耐高温防水 耐老化密封 空心粘接密封圈 高强度扭矩抗拉2-5兆帕硅胶管O型圈 氟硅O型圈 FSIL氟素硅胶密封圈FVMQ 氟胶橡胶密封圈 硬度30 40硅胶密封条 35 45硅橡胶条密封圈熔接 BS-2.009 E75, BS-2.009 E75, EPDM BS 009 2-168-E540-80 326-N702-90 BS-2.009 N75,BS-2.009 N75/Nitrile BS009 PARKER 2-222-E740-75E BS-2.009 V75, BS-2.009 V75, Viton BS 009 2-102-E760-60 145-N014-75 BS-2.010 E75, BS-2.010 E75, EPDM BS 010 PEAK2-345-E740-75D BS-2.010 N75/BS-2.010 N75,Nitrile BS010 Peak 2-258-F E740-75 BS-2.010 V75, BS-2.010 V75, Viton BS 010 2-144-HN041-75 239-N506-65 BS-2.011 E75, BS-2.011 E75, EPDM BS 011 peak 2-432-HN034-75 BS-2.011 N75,BS-2.011N75,Nitrile BS011 2-558-HN971-80 PK氯醇密封橡胶 BS-2.011 V75, BS-2.011 V75, Viton BS 011 2-363-HN981-85全氟橡胶 BS-2.012 E75, BS-2.012 E75, EPDM BS 012 2-100-HN979-80 001-N674-70 BS-2.012 N75,BS-2.012 N75,Nitrile BS012 2-345-HN3573-70丙烯酸酯橡胶ACM BS-2.012 V75, BS-2.012 V75, Viton BS 012 2-225-N304-85丁钠橡胶圈BUNAN BS-2.014 E75BS-2.014 E75, EPDM BS 014 2-178-N008-65氟橡胶VT密封圈 BS-2.014 N75BS-2.014 N75, Nitrile BS 014