When users purchase waterproof USB connectors, they need to first compare the quality of the connectors. In addition to waterproof grade, shell quality, manufacturing process, size structure, connection function, price, shipping speed, etc., these are all issues that users need to consider. This article provides a rough list of standards for judging the quality of waterproof connectors, hoping that users have a preliminary understanding of waterproof connectors.

When purchasing waterproof connectors, our primary focus is on the waterproof function of the product, which is generally determined by three aspects:

1. Size and structure: The waterproof level of the waterproof connector is generally IP68/IP67/IP66/IP65 (users who are not familiar with this can check the article: What is the difference in the waterproof level between IP65, IP67, and IP68?). Generally speaking, the smaller the size of the product, the more difficult it is to meet the requirements in terms of waterproofing and connection, and the waterproofing level is also slightly lower. In terms of structure, it is necessary to observe whether the orientation of easily damaged components and the waterproof orientation are reasonable. For example, silicone gaskets should not be excessively exposed to avoid UV corrosion affecting their function and lifespan.

2. Shell materials: Shell materials should be selected with strong resistance, temperature resistance, flame retardancy, and anti-corrosion properties, such as PA66; Wire should be selected from materials with strong flexibility, flame retardancy, wear resistance, and corrosion resistance, such as PVC or rubber.

3. Manufacturing process: The product should have a comfortable and textured feel, not too slippery or rough, and the workmanship should not have burrs. When connecting joints, it should feel natural and not slippery. Users can evaluate the manufacturing process and strength of manufacturers through on-site inspections or samples.

In addition to being waterproof, the function of the waterproof USB connector is also important:

1. Pin: A good waterproof connector pin is usually solid pure copper, and the pin will be plated with gold or nickel to add conductivity. Users should keep their eyes open when purchasing to avoid using unscrupulous hollow copper pins for household purposes.

2. Copper wire: The raw material for copper wire is usually pure copper wire. Nowadays, powerful manufacturers will handle the wires themselves, controlling costs while ensuring quality.

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