Phenolic cloth sheet

As an important industrial material, phenolic cotton sheet plays a key role in many fields. From electrical insulation to mechanical support, its unique properties make it an indispensable part of many industries. Let's explore this insulation material together.

Phenolic cotton sheet is a laminated product made of phenolic resin and cotton cloth through a hot pressing process. Phenolic resin acts as a binder to bond the cotton cloth layers together to form a board with high strength and high insulation performance.

Basic characteristics of phenolic cotton sheet

1. Insulation performance

Phenolic cotton sheet has excellent electrical insulation performance, high insulation resistance, low dielectric loss. It can maintain stable insulation performance in high voltage and strong electric field environment, and effectively prevent leakage and breakdown.

2.Mechanical strength

Phenolic cotton sheet has high mechanical strength and toughness, and can withstand certain pressure, tension and bending force. It is not easy to deform and damage, providing reliable mechanical support for the equipment.

3. Heat resistance

Phenolic cotton sheet can be used for a long time at high temperatures. It has a high heat deformation temperature, and can still maintain stable physical and chemical properties under high temperature environment, and is not easy to soften, decompose or burn.

4. Chemical corrosion resistance

Phenolic cotton sheet has good tolerance to a variety of chemicals, such as acid, alkali, salt, etc., is not easy to be corroded, and can be used in harsh chemical environments.

Application fields of phenolic cotton sheet

1. Electrical industry

Insulating parts: Phenolic cotton sheet can be used to manufacture insulating pads, insulating partitions, insulating struts, etc. of electrical equipment, providing reliable insulating support for electrical equipment and ensuring the safe operation of the equipment.

Electrical appliance shell: Due to the good insulation performance and mechanical strength of phenolic cotton sheet, it can be used to manufacture the shell of some small electrical appliances to protect the internal electrical components from the influence of the external environment.

2. Mechanical industry

Gaskets: Phenolic cotton sheet can be used as gaskets in mechanical equipment to play the role of sealing, buffering and insulation, reduce the vibration and noise of the equipment, and improve the operation stability of the equipment.

Structural parts: In some occasions with high requirements for mechanical strength and insulation performance, phenolic cotton sheet can be used to manufacture structural parts, such as machine tool workbench, guide rails, etc.

3. Electronics industry

Printed circuit board substrate: Phenolic cotton sheet can be used as the substrate material of printed circuit boards, providing support for the installation and electrical connection of electronic components to ensure the normal operation of electronic equipment.

Disadvantages of phenolic cotton sheet

High brittleness: Phenolic cotton sheet has high brittleness and is easy to break, which increases the difficulty of construction and the risk of material waste.

Poor flexibility: Due to its poor brittleness and flexibility, it is difficult to cope with the effect of internal stress, which may lead to quality accidents.

High price: Compared with other materials, the price of phenolic cotton sheet is higher, which increases the cost of use.

Every product has its pros and cons. Choose the right insulation material according to your actual needs.

As an industrial material with excellent performance, phenolic cotton sheet plays an important role in many fields such as electrical, mechanical, and electronic. Its unique insulation performance, mechanical strength, and heat resistance make it an indispensable part of many industries. A deep understanding of the characteristics and application fields of phenolic cotton sheet will help to better utilize this material and promote the development of related industries.