SFR标准材质使用范围材质:标准材料RN912，使用温度：-30℃~+100℃适用压力:-Mpa,线速度1m/s适用介质流体:特性：、SFR防尘圈是气缸专用低摩擦型密封圈，为室内设计气缸用主要用途：标准气缸，一般室内环境用dDHtGCB標準（RN912）162464.5520.32SFR-16K182664.5522.32SFR-18K202864.5524.32SFR-20K223064.5526.32SFR-22K22.430.464.5526.72SFR-22.4K253364.5529.32SFR-25K283664.5532.32SFR-28K30386.556342SFR-30K31.539.56.55635.52SFR-31.5K32406.556362SFR-32K35436.556392SFR-35K35.543.56.55639.52SFR-35.5K36446.556402SFR-36K40486.556442SFR-40K45536.556492SFR-45K50586.556542SFR-50K55636.556592SFR-55K60686.556642SFR-60K63716.556672SFR-63K7080867753SFR-70K7585867803SFR-75K8090867853SFR-80K)