... , NBR, SBR, EPDMPressure: PN6, PN10, PN16, PN25Temperature: -15~1150 CPlease contact with us if you have any inquiries of them.Our ... ,used at shock absorber and compensate for displacement.JGD mean single ball (arch),JGD-A dual ball ,JGD-B threaded rubber ... ng .br> 6)When used on high building , Single Sphere Rubber Joint