Characteristic and Application: Temperature classification E. Excellent mechanical and
dielectric properties. Used as insulating structural parts for electric machine and apparatus
equipments as well as in the transformer oils.
Standard: JB/T2128-1977
Properties Requirements are shown in Table 1
|
NO. |
Item |
Unit |
Requirement |
|
3025 |
3027 |
323 |
PFCC3 |
|
1 |
Density |
g/cm3 |
1.30 to 1.42 |
1.30 to 1.42 |
1.30 to 1.50 |
-- |
|
2 |
Martin¡¯s temperature |
|
 125
|
135 |
125 |
-- |
|
3 |
Tensile strength |
MPa |
65 |
60 |
98(Lengthwise) |
-- |
|
4 |
Flexural strength |
MPa |
105 |
90 |
156.9(Lengthwise) |
110 |
|
5 |
Bondig strength |
N |
5500 |
5500 |
-- |
-- |
|
6 |
Impact strength |
kg/m2 |
25 |
20 |
34(Lengthwise) |
7.0 |
|
7 |
Compressive Strength |
Parallel to layer direction |
MPa |
-- |
-- |
245 |
-- |
|
Perpendicular to layer direction |
-- |
-- |
147 |
-- |
|
8 |
Breakdown strength perpendicular to layer direction, at 90   2  oil |
MV/m |
2-4 |
5-8 |
-- |
-- |
|
9 |
Breakdown voltage parallel to layer direction, at 90 2 |
kV |
-- |
10 |
-- |
-- |
|
10 |
Insulation Resistance |
At room Temperature
|
|
-- |
1.0x104 |
-- |
-- |
|
Parallel to layer direction |
After being humidified |
-- |
1.0x101 |
-- |
-- |
|
11 |
Water Absorption |
% |
-- |
-- |
 1.0
|
186 to 540mg |
Properties Requirements are shown in Table2
|
Nominal Thickness
mm |
Tolerance |
|
3025 |
3027 |
323 |
PEFCC3 |
|
0.4 |
-- |
-- |
-- |
 0.12
|
|
0.5 |
0.15 |
0.15 |
0.10 |
0.13 |
|
0.6 |
-- |
-- |
0.10 |
0.14 |
|
0.8 |
0.15 |
0.15 |
0.10 |
0.15 |
|
1.0 |
0.15 |
0.15 |
0.10 |
0.16 |
|
1.2 |
0.18 |
0.18 |
0.15 |
0.17 |
|
1.5 |
0.18 |
0.18 |
0.15 |
-- |
|
1.6 |
-- |
-- |
-- |
0.19 |
|
1.8 |
0.23 |
0.23 |
0.20 |
-- |
|
2.0 |
0.23 |
0.23 |
0.20 |
0.21 |
|
2.5 |
0.33 |
0.30 |
0.30 |
0.24 |
|
3.0 |
0.33 |
0.30 |
0.30 |
0.26 |
|
3.5 |
0.33 |
0.30 |
0.30 |
-- |
|
4.0 |
0.38 |
0.35 |
0.40 |
0.32 |
|
4.5 |
0.38 |
0.35 |
-- |
-- |
|
5.0 |
0.48 |
0.40 |
0.50 |
0.36 |
|
5.5 |
0.48 |
0.40 |
-- |
-- |
|
6.0 |
0.58 |
0.50 |
0.60 |
0.80 |
|
6.5 |
0.58 |
0.50 |
-- |
-- |
|
7.0 |
0.68 |
0.55 |
0.60 |
-- |
|
8.0 |
0.68 |
0.55 |
0.60 |
0.98 |
|
9.0 |
0.80 |
0.65 |
0.60 |
-- |
|
10.0 |
0.80 |
0.65 |
0.70 |
1.12 |
|
12 |
1.00 |
0.80 |
0.70 |
1.28 |
|
14 |
1.00 |
0.80 |
0.80 |
1.40 |
|
16 |
1.30 |
1.10 |
0.80 |
1.52 |
|
20 |
1.30 |
1.10 |
1.00 |
1.74 |
|
25 |
1.50 |
1.20 |
1.50 |
2.04 |
|
30 |
1.50 |
1.20 |
1.50 |
2.24 |
|
35 |
2.00 |
1.50 |
2.00 |
2.48 |
|
40 |
2.00 |
1.50 |
2.00 |
2.70 |
|
45 |
2.80 |
2.00 |
2.50 |
2.90 |
|
50 |
2.80 |
2.00 |
2.50 |
3.10 |
|
60 |
-- |
2.50 |
3.00 |
3.50 |
|
70 |
-- |
2.80 |
3.00 |
3.80 |
|
80 |
-- |
2.80 |
-- |
4.20 |
|
90 |
-- |
-- |
-- |
4.50 |
|
100 |
-- |
-- |
-- |
4.80 |
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