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Fuwang Home >> Products >> Presspaper/Pressboard >> Pressboard >> Natural Insulating Paper PB2
Natural Insulating Paper PB2

    1. COMPOSITION AND PRESENTATION
    This product made from highly purified unbleached sulphate pulp.
    Normal Thickness: 0.13mm ; 0.18mm ; 0.25mm; 0.38mm; 0.50mm
    Normal Width:  1000mm, Max. width: 1600mm
    Packing: in roll, 100kgs/roll.
    Color: natural

    2. PROPERTIES & APPLICATIONS 
    -Smooth                        
     -tough 
    -good mechanical          
    -electric strength.
    It is used widely in engines, electrical appliance and instrument as insulating material, and also is used to make polyester film/Kraft paper flexible laminate type 6520.

    3. MAIN TECHNICAL CHARACTERISTICS

Item
Standard IEC60641-3-2
Normal Thickness (mm)
0.13mm
0.18mm
0.25mm
0.38mm
0.5mm
Inspected Thickness
0.13mm
0.179
0.252
0.378
0.499
Basis Weight (g/cm2)
145.90
196.9
277.80
436.50
564.0
Density (g/cm3)
1.12
1.10
1.10
1.15
1.13
Tensile Strength
(Mpa)
MD
220.12
123.70
132.74
136.7
173.0
CMD
42.72
31.40
41.48
71.20
55.90
Elongation (%)
MD
2.8
2.9
2.1
2.5
2.5
CMD
8.7
8.3
6.2
7.3
8.8
 
Shrinkage (%)
MD
0.39
0.36
0.46
0.33
0.35
CMD
1.42
1.54
1.13
1.41
1.43
TD
4.61
7.22
5.16
5.01
5.60
Ash Content (%)
0.351
0.299
0.363
0.347
0.294
PH Value of Aqueous Extract
7.2
7.21
7.30
7.30
7.31
Dielectric Breakdown Strength  (Kv/mm)
MD
Ave.10.62
Ave.9.38
Ave.9.29
Ave.9.19
Ave.13.11
CMD
Min.9.72
Min.8.6
Min.7.98
Min.8.51
Min.12.02
Moisture Content (%)
6.8
6.8
6.9
6.6
6.8

 
 
 
 
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