what is synthetic blend motor oil

{"cid":"91214494","title":"Versatile Compatibility Auto Engine Oil Filters 2630035503 30035503","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/df\/0e8dcdad9fe86af5232163435d10-200x200-1.jpg","attrs":{"Brand Name":"SENSU","Model Number":"17801-0Y050","Minimum Order Quantity":"500 PCS","Delivery Time":"25-30 Days","Certification":"IATF 16949","Place of Origin":"Hebei China","Payment Terms":"L\/C, T\/T","Supply Ability":"80000\/PCS\/MON","Packaging Details":"Plastic bag, Box, Cartons, Plallet","Item":"Auto Oil Filter 17801-0Y050","Car model":"17801-21050","Color":"White,Black,Blue","Application":"Oil filter","Port of Loading":"Tianjin(nearby), Qingdao, Shanghai, Ningbo, Guangzhou","Shipment":"By sea\/By air\/By parcel"}}

{"cid":"91220571","title":"Great Wall DOT3 Synthetic Brake Fluid In Various Motor Vehicle Clutch Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/51\/5dbc5cdfb8fa10697cb33e2fa886-200x200-1.jpg","attrs":{"Brand Name":"Sinopec","Model Number":"DOT3 Synthetic Brake Fluid","Minimum Order Quantity":"1pcs","Delivery Time":"5-8days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"10000 pcs\/month","Packaging Details":"Barrel","Product name":"Sinopec DOT3 Synthetic Brake Fluid","Kinematic viscosity, mm\/s -40\u2103":"1170","Equilibrium reflux boiling point (ERBP), \u2103":"248","Wet equilibrium reflux boiling point (WERBP), \u2103":"150","pH value":"9.0","Weight":"800g"}}