1. Good Heat Resistance: Iron sulfide has excellent heat resistance and durability, and does not lose its properties due to high temperatures or oxidation.
2. Excellent Electrical Properties: Iron sulfide has excellent electrical properties and can be used to manufacture various electronic components and sensors.
3. Strong Magnetic Properties: Iron sulfide is a magnetic material and can be made into various magnetic materials or used in the manufacture of magnetoelectric devices.
4. Active Chemical Properties: Iron sulfide has active chemical properties and readily reacts with other substances, making it often used as a catalyst and reducing agent.