HOME ABOUT US PRODUCTS FEEDBACK CONTACTUS
PRODUCTS
laminates insulation material
insulation rod
insulation tube
insulation parts machining
waterproof membrane
  
Free Phone:(888)-588-3321
Mobile: 15206367599
Tel: +86 0536-5269708
Fax: +86 0536-5269708
E-mail: mingqun0536@yahoo.com.CN
Address:Shouguang City
                                                                                                                                                                 

phenolic paper tube

Details
Specifying and measuring the usability of products
3520
Good dielectric properties in a dry enviroment.
Product Application
3520
l Temperature grade: E glass (120)
l Color: nature
l Diameter: 8-500mm
l Length: 1000mm
product technology
Properties
Unit
Grade

3520 Phenolic Paper Laminate Tube

Inside diameter(5-25mm)
Inside
diameter
(25mm)

Density
g/cm3
1.03
1.10

Water absorption rate   
%
Wall thickness 3mm   8

Thermostability(24h)

120
120

Flexural strength
MPa
50.0
60.0

Compressive strength
MPa
50.0
60.0

Shear strength
MPa



Surface
resistance
Under normal
condition
W



In case of
humidity



Volume
resistivity
Under normal
condition
Wm



In case of
humidity



Impregnated
In water



Insulation
resistance
Under normal
condition
W



Impregnated
in water



Dissipation
factor
50Hz

0.03
0.03

Dielectric strength perpendicular
to laminations(withstand voltage)
(in 902/5min transformer oil)
kV/mm
Wall thickness
1.5-2.5mm
8.5
8.5


>2.5-3.5mm
8.0
8.0

>3.5-4.5mm
7.0
7.0

>4.5-6mm
6.5
6.5

>6-9mm
6.0
6.0

Dielectric break down
parallel to laminations
(in 902/5min
transformer oil)
kV

20

25

Surface withstand voltage
(in case of humidity, under
normal condition air
withstand voltage 1 min)
kV

12

12