Insulation Pressboard for Transformer Oil and Gas Insulation - Protecting Against Electrical Breakdown and Arcing

Product Description

Overview

 

Product Description

Electrical insulating pressboard Special paperboard for transformer

Insulation grade: B class
Thickness: 0.2-60mm
Dimension: 1000×2000mm, 1600×3200mm, 2200x4400mm
Customization: Processing based on Drawings

Electrical insulation pressboard is made of high-purity 100% sulphate wood pulp processed by high-pressure processing. This product has high chemical purity and high mechanical strength. After immersion, it has both mechanical and electrical properties. Electrical insulation pressboard is widely used in oil-immersed transformers and reactors, capacitors, switches, etc.

The production of CNC machined components as per drawings of our customers is our speciality. We utilize versatile modern CNCmilling machines, special engraving machines and processing centers.

 

Application

1) digital cameras, computers, printers, audio products 2) home appliances, valve seals, membrane switch, air conditioners 3) communications products, mobile phones, nameplate, lighting, electret microphone 4) industrial raw material storage tank lining, toys, key switch, Sporting goods and other industries etc.

Product Parameters

No.	Index Name		Unit	Index
1	Thickness		mm	≤1.6	>1.6-3.0	>3.0-6.0
2	Thickness Deviation		%	±7.5	±5.0	±5.0
3	Performance Density		g/cm3	1.0-1.2	1.1-1.12	1.15-1.3
4	Tensile Strength(Portrait)		MPa	≥100	≥105	≥110
5	Tensile Strength(Transverse)		MPa	≥75	≥80	≥85
6	Elongation	Portrait	%	≥3.0	≥3.0	≥3.0
		Transverse		≥4.0	≥4.0	≥4.0
7	Compressibility		%	≤10.0	≤7.5	≤5.0
8	Shrinkage	Portrait	%	≤0.5	≤0.5	≤0.5
		Transverse		≤0.7	0.7	≤0.7
9	Thickness Direction			≤0.5	≤0.5	≤0.5
10	Interlaminar Bonding			Check whether one or more layers of stripping surface rupture obviously rough or scared
11	Water Content		%	≤6.0	≤6.0	≤6.0
12	Ash Content		%	≤1.0	≤1.0	≤1.0
13	Water Extraction Conductivity		Ms/m	≤5.0	≤6.0	≤8.0
14	Ph Of Aqueous Extract			6.0-9.0	6.0-9.0	6.0-9.0
15	Oil Absorption		%	≥11.0	≥9.0	≥7.0

Certifications

Company Introduction

Youda Insulation was founded in 1990. It is a private high-tech enterprise integrating R&D, production, processing, sales and export, and mainly produces, processes and sells various laminated sheets, bars, pipes and diverted products, moulded products, composite materials, pre prepreg materials, various types of insulating paper, ribbons, paint, mica products, engineering plastics and other insulating materials.

For keeping the products high precision, small tolerance and short processing cycle, Youda Insulation is using professional equipment such as engraving machines, processing centers and CNC machine tools, which can customize products for turning, milling, drilling, engraving planer, grinding and die opening.

Our insulation materials are manufactured by drawings, and under ISO 9001 Quality Certified Program. That assures each one meets or exceeds your requirements

FAQ

Q1: How about providing samples?
Of course, we can sent you a sample for free. Customers just need to pay a little shipping charge.
Q2: How about the quality of mass production?
Our warehouse staff will leave another same sample as yours. The production process will be under your requirement.
Q3: How about the delivery time?
It depends on order quantity. Generally speaking, the delivery time will be within 3 to 7 days.
Q4: How about the packaging?
We will use professional craft paper to package on plywood pallet. If you have special packaging requirements, we will pack as your need.

Payment≤1000 USD, 100% in advance. Payment≥1000 USD, 30% T/T in advance, balance before shipment.
Q5: How about the payment terms?Payment≤1000 USD, 100% in advance. Payment≥1000 USD, 30% T/T in advance, balance before shipment.