100% wood pulp electrical insulation press paper

Location:
Changsha, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C

Product Description

Descriptions:

Presspaper PSP3055 (Pressspan) is a special product on the basis of the purest wood cellulose fibres. Without any additional binding agents, these are made up into a fibrous web and then pressed. Due to its high chemical purity, presspaper PSP3055 (presspan) is particularly suited as an insulating material in electric machines, capacitors, motors, etc., and especially in oil-cooled transformers.

Features:

Insulation class A (105 °C)

Calendered presspaper, good forming properties, 100 % sulphate pulp

Colour natural

High purity and high oil-absorption

Good compatibility with liquid dielectrics

High electric dielectric strength

Presspaper can be coated with baked enamel or laminated with Polyester Film

Applications:

As interlayer insulation in liquid-filled transformers, motors

Available:

Thickness: 0.10mm – 0.50mm

Both in roll and sheet are available

Width: 500mm – 1250mm

Special sizes are available on request

Different colours are available on request

Technical Data:

Test standard *

Measured value

Standard value

Thickness tolerance

IEC 641-2

±10 %

±10 %

Apparent density

IEC 641-2

1.1 g/cm³

1.0 - 1.2 g/cm³

Min. tensile strength M.D, unfolded

IEC 641-2

90 N/mm²

80 N/mm²

Min. tensile strength C.M.D, unfolded

IEC 641-2

50 N/mm²

40 N/mm²

Min. elongation M.D, unfolded

IEC 641-2

6.50%

6%

Min. elongation C.M.D, unfolded

IEC 641-2

13%

12%

Max. moisture content

IEC 641-2

8%

8%

Max. ash content

IEC 641-2

0.50%

1%

pH of aqueous extract

IEC 641-2

7-9

6-9

Max. shrinkage M.D

IEC 641-2

0.70%

1%

Max. shrinkage C.M.D

IEC 641-2

1.20%

1.50%

Max. thickness shrinkage

IEC 641-2

5%

7%

Min. oil absorption

IEC 641-2

25%

12%

Min. breakdown voltage in air, unfolded, normalized

IEC 641-2

10 kV/mm

9 kV/mm

Min. breakdown voltage in oil

IEC 641-2

60 kV/mm

40 kV/mm

Measured values determined at 0.2 mm thickness.

Although the above values have been determined by conscientious testing, they provide only general guidelines. Our company has implemented several programs to assure the highest quality and reliability of this product. Due to the wide range of applications, however, no responsibility can be assumed for its use.



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Contact Information

Company:
 Hunan Powerwell Industrial Co., Ltd.
Phone Number:
  86-731-82243908
Fax Number:
 86-731-82243598