(1) property: high density, high mechanical strength, high electric strength and low compression index. (2) quality standard: iec 60641-3-1: 1992 /gb/t 19264.3 -2003 (3) size: 4400mmx2200mm, 6300mm x 3200 mm and customized size (4) thickness: 1.0 1.5 2.0 2.5 3.0 4.0 5.0 6.0 7.0 8.0 (5) material: 100% unbleached sulfate pulp imported from canada. (6) detecting instruction: on-line highly sensitive metal detector, avoiding metal particle existence (7) application: mainly used in oil-immersed transformer as insulation material, also used in reactor mutual inductance ware, electric device and etc. According to customer's request