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Beijing Found Mechanical & Electrical Co.,LTD.
Add:Room 218,Xingdongnan Mansion,No.2 Weizikeng Street, Fengtai District, Beijing, 100079,China.
Phone:+86-10-67688056
Fax:+86-10-67669046
E-Mail:steve@insulation-all.com
          steve@insulations.com.cn
 
Phenolic paper laminated tubes Your location:home > Products

  Phenolic paper laminated tubes(insulation tube,laminate tube,phenolic paper tube)are formed by hot rolling,baking electrical insulating rolling paper or insulating craft impregnated with phenolic resin under heat and pressure. The Insulation tube can be processed into all kinds of insulation parts, The products are widely used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc.

  Grade X tubes:high mechanical strength and fair electrical strength under dry condition,discretion should be use when high humidity conditions may be encountered.
  Grade XX tubes:Good machining and threading qualities and fair qunching,not as strong mechanically as grade X rolled tubes,but better in moisture resistance,with lower dielectric losses,particularly on exposure to high humidity.

  Length: 1000~1500mm
  Inner Diameter: 10 ~500mm
  Wall thickness:≥2mm

No.

Item

Units

Value

X

XX

1

Applicable Standards

NEMA LI

2

Density

g/cm3

1.10~1.20

1.10~1.20

3

Electric strength,ID 0.125-8.0” ≥
 Wall thickness 0.094-0.124”
 Wall thickness 0.125-0.187”
 Wall thickness 0.250-0.375”


V/mil


325
200
145


290
200
145

4

Compressive strength(Axial), ID 0.125-8.0” ≥
 Wall thickness 0.094-0.124”
 Wall thickness 0.125-0.187”
 Wall thickness 0.250-0.375”


ksi


12
12
12


13
13
13

5

Water absorption, ID 0.125-8.0” ≤
 Wall thickness 0.094-0.124”
 Wall thickness 0.125-0.187”

%


4.3
4.0


2.5
2.0

6

Temperature index

120

120


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Phone:+86-10-67688056 Fax:+86-10-67669046 E-Mail:steve@insulation-all.com  steve@insulations.com.cn