Specifications Size: 2000mm x 1000mm, 4400mm x 2200mm, 3200m x 2200mm Widely used for power transforer, distributor transformer PRESS PAPER IEC60641-3-1 (P.4.1)standard,and the main index as following Index item unit demand 1.thickness tolerance(max.) % ±10 2.density g/cm3 1.0-1.2 3.tensile strength(mix.)longitudinal Mpa 80 4. tensile strength(mix.)traverse Mpa 40 5. tensile strength(mix.) traverse after folding Mpa A B 35 40 6. tensile strength(mix.) longitudinal after folding Mpa 60 7.moisture content(max.) % 8 8.ash content(max.) % 1 9.electric break town strength(mix.) A B In oil 0.1.mm 9 9 0.15-0.25mm KV/mm 10 10 0.30-0.35mm 10 - 0.40-0.50mm 9 - 10. electric break town strength(mix.) In are after folding A B 0.10-0.15mm KV/mm 7 7 0.20-0.25mm 8 8 0.30mm 8 - 0.30-0.50mm 7 - 11. electricity conductivity(max.) 8 12.PH of water extractives Ms/m 6-9 PRE-COMPRESSED PAPER BOARD (TRANSFORMER PRESS BOARD) Abide by IEC60641-3-1 (B.3.1)standard,and the main index as following Index item unit data 1.thickness tolerance(max.) less than 1.6MM ±7.5 ±5.0 more than 1.6MM 2.density less than1.6MM g/cm3 1.00-1.20 more than1.6MM-3.1MM 1.10-1.25 1.15-1.30 more than 3.0MM-6.0MM 3.tensile strength(mix.) Mpa Longitudinal less than1.6MM 100 105 110 1.6MM-3.0MM 3.0MM-6.0MM 4.tensile strength(mix.)traverse less than1.6MM Mpa 75 1.6MM-3.0MM 80 85 3.0MM-6.0MM 5.elongation rate(mix.)longitudinal % 3.0 6.elongation rate(mix.)Traverse % 4.0 7.thrinkage(max.)longitudinal % 0.5 Traverse 0.7 5.0 Thickness 8.moisture content(max.) % 6.0 9.ash content(max.) % 1.0 10.electricity conductivity(max.) Ms/m 8.0 11.PH of water extractives 6.0-9.0 12.electric breakdown strength(mix) Kv/m In oil :less than1.6MM 40 35 30 1.6MM-3.0MM 3.0MM-6.0MM Specifications Size: 2000mm x 1000mm, 4400mm x 2200mm, 3200m x 2200mm Widely used for power transforer, distributor transformer PRESS PAPER IEC60641-3-1 (P.4.1)standard,and the main index as following Index item unit demand 1.thickness tolerance(max.) % ±10 2.density g/cm3 1.0-1.2 3.tensile strength(mix.)longitudinal Mpa 80 4. tensile strength(mix.)traverse Mpa 40 5. tensile strength(mix.) traverse after folding Mpa A B 35 40 6. tensile strength(mix.) longitudinal after folding Mpa 60 7.moisture content(max.) % 8 8.ash content(max.) % 1 9.electric break town strength(mix.) A B In oil 0.1.mm 9 9 0.15-0.25mm KV/mm 10 10 0.30-0.35mm 10 - 0.40-0.50mm 9 - 10. electric break town strength(mix.) In are after folding A B 0.10-0.15mm KV/mm 7 7 0.20-0.25mm 8 8 0.30mm 8 - 0.30-0.50mm 7 - 11. electricity conductivity(max.) 8 12.PH of water extractives Ms/m 6-9 PRE-COMPRESSED PAPER BOARD (TRANSFORMER PRESS BOARD) Abide by IEC60641-3-1 (B.3.1)standard,and the main index as following Index item unit data 1.thickness tolerance(max.) less than 1.6MM ±7.5 ±5.0 more than 1.6MM 2.density less than1.6MM g/cm3 1.00-1.20 more than1.6MM-3.1MM 1.10-1.25 1.15-1.30 more than 3.0MM-6.0MM 3.tensile strength(mix.) Mpa Longitudinal less than1.6MM 100 105 110 1.6MM-3.0MM 3.0MM-6.0MM 4.tensile strength(mix.)traverse less than1.6MM Mpa 75 1.6MM-3.0MM 80 85 3.0MM-6.0MM 5.elongation rate(mix.)longitudinal % 3.0 6.elongation rate(mix.)Traverse % 4.0 7.thrinkage(max.)longitudinal % 0.5 Traverse 0.7 5.0 Thickness 8.moisture content(max.) % 6.0 9.ash content(max.) % 1.0 10.electricity conductivity(max.) Ms/m 8.0 11.PH of water extractives 6.0-9.0 12.electric breakdown strength(mix) Kv/m In oil :less than1.6MM 40 35 30 1.6MM-3.0MM 3.0MM-6.0MM