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