Hoses and nozzles are typically made from a variety of materials, each chosen for specific properties that suit different applications. 
1. **Rubber**: Commonly used for garden hoses and industrial hoses, rubber is flexible, durable, and resistant to abrasion and weather conditions. It can handle a range of temperatures and pressures.
2. **PVC (Polyvinyl Chloride)**: Often used for lightweight and cost-effective hoses, PVC is resistant to chemicals and corrosion. It is less flexible than rubber but suitable for many household and light industrial applications.
3. **Polyurethane**: Known for its flexibility and durability, polyurethane hoses are resistant to kinks and abrasions. They are often used in pneumatic applications and for air tools.
4. **Silicone**: Used in high-temperature applications, silicone hoses are flexible and resistant to heat, making them ideal for automotive and industrial uses.
5. **Stainless Steel**: Used for high-pressure and high-temperature applications, stainless steel hoses are extremely durable and resistant to corrosion. They are often used in chemical processing and food industries.
6. **Brass**: Commonly used for nozzles, brass is durable, corrosion-resistant, and can withstand high temperatures. It is often used in garden hose nozzles and fire hose nozzles.
7. **Aluminum**: Lightweight and corrosion-resistant, aluminum is used for nozzles in various applications, including firefighting and industrial settings.
8. **Plastic**: Used for lightweight and inexpensive nozzles, plastic is suitable for low-pressure applications like garden hoses.
9. **Composite Materials**: These are used for specialized hoses and nozzles, combining materials to enhance specific properties like strength, flexibility, or chemical resistance.
Each material is selected based on the specific requirements of the application, such as pressure, temperature, flexibility, and resistance to environmental factors.