PHENOLIC PAPER LAMINATED TUBE

FEATURE AND APPLICATION£º3520 Phenolic paper laminated tubes is formed by hot rolling,baking electrical insulating rolling paper or insulating craft impregnated with phenolic resin under heat and pressure.This product with high mechanical heat-resistant and dielectric properties,used as insulating structural parts in electrical equipments ,also used under humidity environment and in transformer oil.


Type£º3520






SPECIFICATION£º

ITEM
UNIT
VALUE

I.D=5¡«25mm

I.D¡Ý25mm

Density¡¡¡Ý
g/cm3
1.03
1.1
Flexural strength¡¡¡Ý
MPa
49
58.8
Compressive strength¡¡¡Ý
MPa
49
58.8
Thermal stability
¡æ
120
120
Water Absorption
%
¡ª
3¡«10
Loss tangent (50Hz)¡¡¡Ü
¡ª
0.03
0.03

Voltage resisting strength in transformer oil for 5 min at 90¡À2¡æ:
¡¡Wall thickness 1.5¡«2.5mm
¡¡Wall thickness £¾2.5¡«3.5mm
¡¡Wall thickness £¾3.5¡«4.5mm
¡¡Wall thickness 4.5¡«6.0mm
¡¡Wall thickness £¾6.0mm

kV/mm


8.5
8.0
7.0
6.5
6.0



8.5
8.0
7.0
6.5
6.0

Voltage resisting strength parallel to lamination at 90¡À2¡æ in transformer oil for 5 minute¡¡¡Ý

kV
20
25

Surface Voltage resisting strength after humid environment in air for 1 minute

kV
12
12
Length
mm
1000¡À50,1500¡À50,2000¡À50
                       
         
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BEIJING SENYANG INSULATING MATERIAL CO.,LTD.
ADD.:No.10,Beijiadi Road,Fengtai District,Beijing,100067,China
Phone:86-010-67572687¡¡Fax:86-010-67572689
E-Mail:steve@insulations.com.cn
JING¡¡ICP06021941