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21-033899-8Q2 application field and working principle

Circular connectors and accessories can be used for various applications, with the most common being in electrical connections. The specific product 21-033899-8Q2 belongs to the circular connector accessories category. This article will discuss the application fields and working principle of this product.

Application field

21-033899-8Q2 belongs to the connector accessories, specifically the “cold shrinkable tube” type. This product works as an insulation, sealing, and protecting device for circular connectors. As an insulation device, the cold shrink tube isolates connectors from the environment and can also protect the connectors from impacts from water or dust. As a sealing device, the cold shrink tube can shield the passage of heat, dust and moisture, ensuring the reliability of the connection. As a protection device, this product can protect the connector from any mechanical damage, extending the durability of the connector.

This product can be widely used for a variety of circular connectors, including automobile electrical connectors, electronic product connectors, power supply connectors, lighting system connectors, information system connectors, and other circular connector systems. The cold shrink tube can effectively protect the circular connectors from dust, water, oil and other pollutants.

Working Principle

21-033899-8Q2 is a cold shrink tube that has a three-layer structure. The inner layer is the silicone layer, which provides insulation. The middle layer is the PET protective layer, which protects the product from deformation. The outer layer is the shrinkable polyethylene layer, which ensures that the product fits perfectly and does not loosen, providing reliable sealing. PET film and silicone perform a dual protective effect on the cold shrink tube, making it more durable.

When using this product, stretch the shrinkable polyethylene layer first, then slip it over the area to be covered. After the cold shrink tube is in place, use a heat gun to heat the product to about 100 ℃, then shrink the polyethylene layer. The heat will make the PET film and silicone shrink together, and the product will fit the connecting parts snugly and provide a reliable seal. The heat-shrink process must be completed within 3 minutes to ensure effectiveness.

Conclusion

21-033899-8Q2 is a cold shrink tube that is ideal for a variety of circular connectors, providing insulation, sealing, and protection. The product is made up of a three-layer structure that ensures the longevity of the connector and is easy to install.

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