electrical insulating paperboard for oil-immersed power transformers. QUALITY STANDARD:IEC60641-3-1Certificate: PONY MSDS REPORT, TUV ROHS & REACH.SIZE:6400*3200MM, 4400*2200MM,2200*1100MM,4000*1000MM,2000*1000MMTHICKNESS: 1.0-8.0MMDELIVERY TIME: 20 DAYSPAYMENT TERMS: T/T,L/C AT SIGHT Electrical insulating paperboard