Electrical Transformer Insulation Press Paper Pressboard

• Application: Insulators, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish
• Type: Insulation Paper
• Chemistry: Hybrid Insulation
• Material: Paper
• Thermal Rating: 200 200
• Maximum Voltage: 20KV~100KV
• Model NO.: press paper
• Classification: Hybrid Insulation Materials
• Certification: ISO9001
• Color: Red
• Brand: Chr
• Width: 1000
• Thickness: 0.1mm-0.5mm
• Size: in Sheets
• Storage Life: 1 Year
• Transport Package: Pallet
• Specification: ISO9001 SGS
• Trademark: chr
• Origin: China
• HS Code: 481160100
• Production Capacity: 50t/Week

Product Description

Insulation Pressboard Introduction

Insulation pressboard or electrical insulation board or laminated insulation board is a special insulation product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, the insulation pressboard is excellently suited as an insulation material in electric machines, capacitors, and oil-filled transformers. It is a widely used insulation paper.

 

Thickness: 0.8-30mm

size: 1000X2000mm 1000X1000mm

Color: Natural brown, red

Insulation class: A (105 ºC)

 

Insulation Pressboard Features

1. 100% sulfate pulp

2. High Flexible and Soft

3. Low shrinkage and compatibility

4. High purity and mechanical strength

5. Good compatibility with liquid dielectrics

6. Further processing is ensured since the pressboard can be punched, folded, cut, and formed without difficulty.

 

Insulation Pressboard Applications

To use as insulations material in Power and Distribution Transformers. It is also the base material for components like corrugated boards, cylinders, rings, and mouldable parts.

 

Electrical Insulation Board Specifications

Properties		Unit	Min/max or range	Index
				≤1.6mm	>1.6mm-3.0mm	>3.0mm-6.0mm
Thickness Deviation		%	Max	±7.5	±5.0
Apparent density		g/cm3	Range	1.00-1.20	1.10-1.25	1.15-1.30
Tensile Strength	MD	Mpa	Min	100	105	110
	CMD			75	80	85
Shrinkage	MD	%	Max	0.5
	CMD			0.7
	Thickness			5.0
Moisture content		%	Max	6.0
Ash content		%	Max	1.0
Electrical strength in oil		kV/mm	Min	40	35	3.0
Conductivity of Aqueous extract		mS/m	Max	5.0	6.0	8.0
Remark		in accordance with GB/T19264.3-2003/IEC60641-3-1.1992.B.3.1