Crepe Insulation Paper

Description

Crepe insulation paper, also known as crepe paper insulation, is a type of electrical insulation material used in various applications, especially in the electrical and electronics industries. It is characterized by its textured, wrinkled, or creped surface, which gives it unique properties suitable for insulation purposes. Crepe paper insulation is commonly used in transformers, motors, generators, and other electrical equipment to provide both electrical and thermal insulation.

Here are some key features and uses of crepe insulation paper:

Electrical Insulation: Crepe paper's primary function is to provide electrical insulation. It helps prevent electrical arcing and short circuits by isolating different conductive components within electrical devices.

Flexibility and Conformability: The crepe texture of the paper makes it highly flexible and capable of conforming to irregular shapes and surfaces. This flexibility is important when insulating components with complex geometries.

Layer Insulation: Crepe paper is often used as an insulating layer between winding wires in transformers and other electrical devices. It maintains separation between windings to prevent electrical breakdown.

Thermal Insulation: Crepe paper also offers some degree of thermal insulation. It helps manage and dissipate heat generated during operation, contributing to the overall efficiency and longevity of the equipment.

Mechanical Protection: In addition to electrical and thermal insulation, crepe paper provides a level of mechanical protection to the components it covers. It can help shield components from physical damage and vibrations.

Transformer Applications: Crepe paper insulation is commonly used in transformers for applications such as layer insulation between windings, wrapping around core laminations, and creating barriers to prevent the migration of insulating fluids.

Oil Impregnation: Crepe paper can be impregnated with insulating oils to enhance its dielectric properties and improve its performance in high-temperature environments.

When selecting crepe insulation paper, it's important to consider factors such as thickness, dielectric strength, temperature resistance, and other specific requirements of your application. Different types of crepe paper insulation materials are available, each with varying properties, and choosing the right one ensures effective insulation and reliable operation of electrical equipment.

Item		Unit	Value
Crepe Paper	Thickness	mm	0.05	0.075	0.08	0.13
Crepe Paper	Tolerance	mm	0.35±0.05	0.48±0.08	0.60±0.10	0.80±0.10
Ash Content		%	≤0.7	≤0.7	≤1.0	≤1.0
Moisture		%	6.0~9.0
Ether extract		%	≤0.3	≤0.3	≤0.4	≤0.5
PH			6.5~7.5
Pollution Oil		%	<0.1
Tensile Strength	MD	KN/m	≥1.96	≥2.60	≥3.0	≥3.3
Tensile Strength	CD	KN/m	≥1.30	≥1.96	≥2.3	≥2.7
Wrinkle degree		%	≥50
Breakdown voltage in air		V/layer	≥950	≥1000	≥1000	≥1000
Conductivity,water displacing liquid		mS/m	≤8.0	≤8.0	≤9.0	≤10
Density		g/m2	60±10%	110±10%	110±10%	130±10%