Sheets FUWANG 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
+10/-0
3. NORMAL THICKNESS (mm)
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
( perpendicular )
20 OC
IEC249
1800 kgf/cm2 min.
Iron powder content
%
70 min.
Resistance to impact
18 Kgfcm/cm2 min.
Surface resistivity
DIN 53482
1010 - 1013 W
Volume resistivity
850-900 Wcm min.
Magnetic Induction
At 500 A/cm
At 1000 A/cm
At 3000 A/cm
0.15 T min.
0.24 T min.
0.27 T min.
Relative permeability rate
At 0.05 T
At 0.10 T
At 0.20 T
3.50 u min.
2.95 u min.
2.39 u min.
Specific weight
3.3 ± 0.2 g/cm3
Thermic class
in transformer oil for 4 hours
CEI Pub.85
F – ( 155 OC )