The Iron-Powder Epoxy Laminate FW-3248
Ref: IEC249 / DIN 53482

1.COMPOSITION AND PRESENTATION
FUWANG 3248 is a stratified insulator made from fiberglass fabric, iron-powder and epoxy resin.
At delivery time the presentation of the sheets is as follows:
- Maximum sizes: 1000 X 1000 mm  - Thickness: From 0.50 mm
- Colour: Iron powder color      - Surfaces: Shining
- On demand we can deliver strips or finished components.

2.SIZES  (mm)
Width:1000( +10/-0)
Length:1000(+10/-0)

3.NORMAL THICKNESS   (mm)
Normal Thickness  Tolerance    Normal Thickness  Tolerance  
 0.2, 0.3
0.4
0.5
0.6
0.8
1.0
1.2
1.6
2.0
2.5
3.0
4.0
5.0
6.0   0.07
0.10
0.12
0.13
0.16
0.18
0.21
0.24
0.28
0.33
0.37
0.45
0.52
0.60    8.0
10
12
14
16
20
25
30
35
40
45
50
60
80   0.72
0.82
0.94
1.02
1.12
1.30
1.50
1.70
1.95
2.10
2.30
2.45
2.50
2.80  
If need un-normal thickness, the tolerance will be confirmed by the seller and the buyer each other before placing the
order .

4.MAIN TECHNICAL CHARACTERISTICS
ITEMS          CONDITIONS         NORMS    VALUES
Resistance to flexion  20 OC      IEC249    1800 kgf/cm2 min.
( perpendicular )  
Iron powder content     %         IEC249    70 min.
Resistance to impact   20 OC      IEC249   18 Kgfcm/cm2  min.
Surface resistivity    20 OC     DIN 53482 1010 - 1013deg.
Volume resistivity     20 OC     DIN 53482 850-900 ¦¸cm
min.
Magnetic Induction     20 OC     At 500 A/cm; 0.15 T min.
                                At 1000 A/cm 0.24 T min.
                                At 3000 A/cm 0.27 T min.
Relative permeability rate 20 OC At 0.05 T   3.50 u min.
                                At 0.10 T   2.95 u min.
                                At 0.20 T   2.39 u min.
Specific weight         20 OC   IEC249  3.3+/-0.2 g/cm3  Thermic class   in transformer oil for 4 hours  CEI Pub.85   F-( 155 OC )