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Insulating Paper Brown/Green/Blue Kraft Press Insulation Paper for Transformer
.highly purified insulation paper .stable electrical and chemical properties .Good compatibility with liquid dielectric 1 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
2 Applications electrical insulation brown paper rolls is appropriated for uses as electric industrial board for motors, electric device, instruments, switch board, oil transformer for insulation and assembly pieces. 100%(sulfate wood pulp) thick board is characterized by its high density, good mechanical strength, low compression coefficient and high electric strength. 3 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
Test project
Unit
AQL Value
Test Value
Test Mode
Thickness tolerance
%
±10
-1.6
JB/T8989.2-1999 IEC60641-2.1979
Density
g/cm3
1.00-1.20
1.08
Tensile strength
Length-wise
N/mm2
≥80
88
Cross-wise
≥40
43.6
Elongation
Length-wise
%
≥1.5
3.2
Cross-wise
≥7.0
7.4
Shinkage
Length-wise
%
≤1.0
0.92
Cross-wise
≤1.5
1.4
Thickness-wise
≤7.5
7.2
Ash content
%
≤1.0
0.63
PH Value of aqueous extract
-
6.0-9.0
7.1
Conductivity of aqueous extract
ms/m
≤8.0
4
Oil absorption
%
≥10
11.6
Electric strength in oil
KV/mm
≥55
66.9
Moisture
%
≤8.0
7.8
Application
Products show
Company Information Xuchang Ruiyuan insulation material co.,ltd insist on the idea"GOOD QULAITY, GOOD SERVICE ". it is establish 20years old. It is located in Xuchang City, Henan Province, China. From 2010 year old our company begin deal international trade, based on the original business. Till now we import and export to many contries, such as United Kingdom, Germany, France, Ukrain, Bulgaria, Italy, India, Pakistan, Bangladesh, Korea, Brzil and so on. Our manufacturing technique is leading in this field and well known in the world. Now there are more than 20 product facilities, and 105 staff, including 5 senior technical, 20 intermediate technical. Main products are manufactured on international standard. Our products mainly used for transformer and electrical motor, we produces insulation paper, insulation board, insulation tape,insulation film and also sales PTFE FR4 PA6 and cable wire. We will develop with you by best-quality products, warm-hearted service and mutually beneficial cooperation!
