1. What are the main materials and their characteristics in this copper coil?
Answer:
The product is made from high-purity copper alloys: C11000 (99% pure copper) and C12200 / T2, which are well-known electrolytic copper grades. These materials offer excellent electrical conductivity, high thermal conductivity, good ductility, and corrosion resistance, making them ideal for electronic applications.
2. What applications is this copper coil suitable for?
Answer:
This high-quality copper coil is widely used in electronic products such as:
Flexible printed circuits (FPC)
Shielding materials
Transformer windings
Connectors and terminals
Precision components in communication, computing, and consumer electronics
The combination of purity and formability ensures reliable performance in electrical systems.
3. How is the product's quality guaranteed?
Answer:
Quality assurance comes from:
Strict material selection of certified C11000 and C12200 copper
Precision rolling and processing to ensure uniform thickness
Surface treatment to prevent oxidation during storage
Inspection and testing for purity, conductivity, and mechanical properties before shipment
These controls ensure performance consistency for industrial or export use.
4. What specifications and sizes are available for this copper coil/foil?
Answer:
Common specifications include:
Thickness: Typically from 0.015 mm to 3.0 mm (custom thickness available)
Width: Can vary according to customer requirements
Coil weight: Standard or custom weights based on application
Surface finish: Bright or oiled to prevent oxidation
Manufacturers often offer customized dimensions to meet specific project needs.
5. How should the copper coil be stored and handled to maintain quality?
Answer:
To preserve the product's quality:
Store in a clean, dry, and cool environment
Avoid contact with corrosive chemicals or moisture
Keep coils covered or wrapped to prevent surface oxidation
Handle carefully to prevent dents or surface scratches
Proper storage and handling ensure maximum conductivity and surface integrity when the product is used.
