Industrial locking-blade connectors are designed to withstand harsh environments by using materials that offer durability, resistance to corrosion, and the ability to endure extreme temperatures and mechanical stress. Key materials include:
1. **Thermoplastics**: High-performance thermoplastics such as polycarbonate, nylon, and PBT (polybutylene terephthalate) are commonly used for connector housings. These materials provide excellent impact resistance, UV stability, and can withstand a wide range of temperatures.
2. **Thermosetting Plastics**: Epoxy and phenolic resins are used for their superior thermal stability and chemical resistance, making them suitable for environments with high heat and exposure to chemicals.
3. **Metals**: Contacts and terminals are often made from copper or copper alloys, such as brass or phosphor bronze, due to their excellent electrical conductivity. These metals are often plated with materials like tin, nickel, or gold to enhance corrosion resistance and ensure reliable electrical connections.
4. **Stainless Steel**: Used for external components like screws, clamps, and shells, stainless steel offers high corrosion resistance and mechanical strength, making it ideal for outdoor or marine environments.
5. **Elastomers**: Seals and gaskets are typically made from silicone, EPDM (ethylene propylene diene monomer), or nitrile rubber. These materials provide effective sealing against dust, moisture, and other contaminants, ensuring the connector's integrity in harsh conditions.
6. **Composite Materials**: In some cases, composite materials are used to combine the benefits of different materials, offering enhanced strength, reduced weight, and improved resistance to environmental factors.
These materials are selected based on the specific requirements of the application, ensuring that the connectors can perform reliably in demanding industrial settings.