nbr90 parbak back up ring

{"cid":"91222230","title":"Black NBR90 Parbak Back Up Ring High Elasticity AS568 Series O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/f3\/e7\/0fe9a147cc236d05ccfaab6e2b0f-200x200-1.jpg","attrs":{"Price":"USD 10.00\/PCS","Brand Name":"DZK","Model Number":"8-470","Minimum Order Quantity":"100PCS","Delivery Time":"7-10 days","Certification":"ROHS","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C","Supply Ability":"1000000PCS\/MONTH","Packaging Details":"100pcs\/bag","Material":"NBR","Hardness":"90 shore A","Temperature":"-35~100\u2103","Color":"Black","Pressure":"40 Mpa","Speed":"3 m\/s","Medium":"hydraulic oil, fire retardant liquid, water, gas","Application":"Hydraulic piston","Size":"8-470"}}