ra0 2 um paper roller calendar

{"cid":"91222736","title":"Delco Paper Calendering Roller with HV550\u00b120 Hardness Ra0.2 um Surface Roughness and \u2264\u00b12\u2103 Temperature Difference","imgUrl":"https:\/\/img.ismap.com\/nimg\/d9\/be\/17c7e531a96d11594e97fa972a30-200x200-1.jpg","attrs":{"Price":"2000USD\/pc-5000USD\/pc","Brand Name":"HUATAO","Model Number":"HT-TCR01","Minimum Order Quantity":"1 PCS","Delivery Time":"60 DAYS","Certification":"ISO CE","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"50 Pcs\/MONTH","Packaging Details":"WOODEN CASE","Product Name":"Delco Paper Calendering Calender Roller Oil Thermo Flow system","Key words":"Hard Calender Roller","Roll material":"chilled cast iron","Surface hardness":"HV550\u00b120(HS70\u00b12)","Valid hardness depth":">15 mm","temperature difference":"\u2264\u00b12\u2103","Roll surface roughness":"Ra0.2 um","Roll face length":"600-10000mm"}}