Products B09 < > Industries : B09 Send Inquiry Chat Now Product description Standard back-up ring, usually used with O-rings to avoid gap extrusion. split and non split design available. Application: Advantage: Material: Previous article:B08Next article:B10Inquiry *Name *Phone You have not entered the mobile phone number or the entered mobile phone number is in wrong format! *E-mail Please enter the E-mail address in right format! Company Title *Contents No empty Whatsapp(+8618896801765) alan.wang@utec.cc