Bare copper is a pure form of copper that doesn’t have any kind of coating or plating applied to it. It is the most commonly used form of copper in electrical applications because it is a good conductor of electricity and is typically less expensive than other copper types.

Tinned copper is a copper wire that has been coated with a thin layer of tin. The tin helps to prevent the copper from corroding and also makes it easier to solder. Tinned copper is often used in marine environments because it is more resistant to corrosion than bare copper.

Silver copper is a copper wire that has been coated with a thin layer of silver. This type of copper wire is extremely conductive, making it ideal for applications where high conductivity is required. However, it is typically more expensive than bare or tinned copper wire.

Nickel copper is a copper wire that has been coated with a thin layer of nickel. The nickel layer provides the wire with a number of benefits, including increased strength and resistance to corrosion. Nickel copper wire is often used in applications where high strength and durability are required, such as in the aerospace industry.

In summary, the main differences between these types of copper are the presence of a coating or plating and the specific properties that are conferred by that coating. Each type of copper has different advantages and disadvantages depending on the intended use.

Selecting the right wire and cable depends on the specific application and requirements.

Here are some factors to consider:

1. Voltage rating: The wire or cable must be rated to handle the voltage of the circuit it will be used in.

2. Current rating: The wire or cable must be able to handle the amount of current that will flow through it without overheating.

3. Type of insulation: The insulation material used on the wire or cable should be compatible with the environment in which it will operate, such as high or low temperatures, chemicals, and moisture.

4. Gauge or size: The size of the wire or cable should be appropriate for the current it will carry and the length of the circuit.

5. Conductor material: The conductor material should be suitable for the application. Copper is commonly used for most applications, but aluminum is sometimes used for larger cables or where weight is a concern.

6. Shielding: Shielding may be necessary to protect against interference from other electrical devices.

7. Environmental factors: Consider the environment in which the wire or cable will be used. Will it be exposed to harsh weather conditions? Will it be used indoors or outdoors? Will it be exposed to vibration or mechanical stress?

It’s important to consult with a qualified engineer or electrician when selecting wire and cable to ensure that you are selecting the most appropriate materials for your specific application.

1. Super thin PTFE wire

Conductor: 270/0.05 tinner plated copper

Insulation: PTFE transparent

O.D.: 2.0mm

2. 200mm² PVC cable

Conductor: 40/2.52mm Stranded Aluminum wire

Insulation: PVC Red/White/Black/Blue/Yellow/Green

O.D：22.5±1mm