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3240D Epoxy glass fabric laminate

3240D Epoxy glass fabric laminate
company Xi'an XD Electrical Material Co.,Ltd
Categories Iron Oxide
Update2011-03-29
Original RegionChina
3240D Epoxy glass fabric laminate
Product name:3240D Epoxy glass fabric laminate
Product standard:Q/XB3136-2008
Characteristicsand application:

Temperature classification is B. Higher electric and mechanical properties. Used as spacer, processed products and insulating structural parts for electric machine, apparatus equipment and transformer

Technical requirements are shown in table 1, 2, 3 and 4.
Table 1Nominal thickness and tolerance
Nominal thickness
mm
Tolerance
mm
Nominal thickness
mm
Tolerance
mm
1.5
8.0
±0.72
1.6
±0.24
10.0
±0.82
1.8
12.0
±0.94
2.0
±0.28
14.0
±1.02
2.5
±0.33
16.0
±1.12
3.0
±0.37
20.0
±1.30
3.5
25.0
±1.50
4.0
±0.45
30.0
±1.70
4.5
35.0
±1.95
5.0
±0.52
40.0
±2.10
5.5
45.0
±2.30
6.0
±0.60
50.0
±2.45
6.5
Note: 1. The other tolerances are negotiated by customer and supplier.
2. The tolerance of preferred thickness should adopt the bigger one if the one of preferred thickness for nominal thickness is not listed in the table.
3. Normal dimension: 960±15mm×1460±15mm、960±15mm×1960±15mm、1000±15mm×2000±15mm
Table 2Technical requirements
No
Property
Unit
Normal Value
1
Flexural strength perpendicular to layer
At room temperature
MPa
≥230
150±2℃
2
Impact strength parallel to layer (Charpy method)
kJ/m2
≥30
3
Electric strength,perpendicular to the layer(at 90℃±2℃ oil.)
MV/m
Refer to table 3
4
Breakdown voltage, perpendicular to layer direction.
kV
≥28
5
Dielectric constant
Under 48Hz~62Hz
≤5.5
under1Hz
6
Dissipation factor
Under 48Hz~62 Hz
≤0.04
Under 1MHz.
7
Insulation resistance after immersing in water.
W
≥5.0×108
8
Density
g/cm3
≥1.8
9
Water absorption
%
Refer to table 4
Table 3 Electrical strength perpendicular to layer directio

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