High Quality Insulation Pressboard/ Presspaper/ Paperboard for Transformer and Motor

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish
• Type: Insulation Paper
• Chemistry: Hybrid Insulation
• Material: Paper
• Thermal Rating: A 105
• Maximum Voltage: 20KV~100KV
• Classification: Hybrid Insulation Materials
• Certification: ISO9001
• Color: Yellow
• Brand: Kangliyuan
• Storage Life: 1 Year
• Model No.: Cable Paper, Press Paper Board
• Delivery Time: 20days
• Transport Package: Carton and Pallet
• Specification: Customizable
• Trademark: Kangliyaun
• Origin: China
• Production Capacity: 50mt/Week

Product Description

Description

1.Electrical grade insulating cable paper is manufactured from 100% high-quality sulfate insulating wood pulp.
Available
Our ordinary insulating papers are available in nominal thicknesses from 50 to 250 microns,
and in continuous rolls up to the widths of 625, 960mm and 1200mm (the roll diameter being 680 to 730mm),
or other customized diameters and widths on request.
Technical Data
 

Specified Properties	Units	Values Specified
			2mil	2.5mil	3mil	4mil	5 mil
Thickness Tolerance	Micron		50+/-10%	64+/-10%	75+/-10%	100+/-10%	125+/-10%
Substance (Grammage)	g / m^2		40+/-10%	51+/-5%	61+/-5%	76+/-5%	100+/-5%
Apparent Density	g / m^3	0.8 +/- 0.05
Moisture Content	%	8 Max
Moisture content	%	5 - 9
Water Absorption MD CD	Mm	10 Min.
Air Permeability	m/Pa.Sec	0.5 to 1.0
Tensile Index MD CD	Nm/g	78 Min  28 Min
Elongation MD CD	%	2.0 Min 4.0 Min
Tear Index MD CD	mN m^2/g	5 Min 6 Min
Electric Strength in Air	KV/mm	7.0 Min
Ash Content	%	1.0 Max
Conductivity of 5% Aqueous Extract	Ms/m	10 Max
Ph of 5% Aqueous Extract		6 - 8
Heat Stability (150degC,24hrs)	%	20 Max

2.Insulation Press Paper Board is appropriated for uses as electric industrial board for motors, electric device, instruments, switch board, transformer for insulation and assembly pieces. 100%(wood/cotton) thick board is characterized by its high density, good mechanical strength, low compression coefficient and high electric strength.
Features

Properties		Unit	Testing  value
Thickness		mm	0.8~1.0mm	1.5~2.0mm	2.5mm	3.0mm
Thickness Tolerance		%	±7		±5
Density		g/cm3	1.00~1.25		1.10~1.25
Tensile Strength, Min.	Cross	N/mm2	50
	Longitudinal		90
contraction, Max.	Cross	%	1.4
	Longitudinal		1.0
	Vertical		6.0
Elongation, Min.	Cross	%	4.0
	Longitudinal		35
Dielectric Strength, Min.		KV/mm	35	30	27	24
Humidity		%	4~9		5~9
PH of Aqueous Extract			6.0~8.0
Oil-absorbency, Min.		%	9

This paper is highly refined and cleaned to ensure uniform thickness and free from formation Pinholes, un-dispersed fiber bundles and tiny defects
It is a low-voltage grade insulating paper well suited for making electromagnetic wires, power cables of transformers below 35kV and other electrical insulating equipments below 35kV.
This paper has stable electrical and chemical properties, and high physical strength to meet the exacting
needs of our valued customers
 
Applications
Used widely as electrical insulation wrap on aluminium and copper wires by conductor manufacturers,
electrical insulation between layers of wound coils in electrical motors, in capacitors, transformers & such
other electrical equipment.