1.Width:1000mm2.Length:20m, 25m, 40m, 50m3. Specifications: ItemThicknessContent of mica Insulation strengthHP-12-R1HP-12-R2HP-12-R3HP-12-R40.2mm350g/m2>2kv0.3mm560g/m2>3kv0.4mm690g/m2>4kv0.5mm880g/m2>5kv0.6mm1120g/m2>6kv0.7mm1250g/m2>7kv0.8mm1400g/m2>8kv