Mercury Lamps: Types, Uses, and How to Choose the Right One
Mercury lamps are widely used in industrial, commercial, and outdoor lighting due to their high efficiency and long lifespan. Whether you're a buyer looking for reliable suppliers or a user exploring different types, this guide covers everything you need to know.
How to Find Reliable Mercury Lamps from China in 2025
Sourcing Mercury lamps from China requires careful evaluation of suppliers. Look for manufacturers with certifications like ISO 9001 and RoHS compliance. Platforms like Alibaba and Made-in-China list verified suppliers with customer reviews. Request samples to test quality before bulk orders.
What Buyers Should Know Before Buying Mercury Lamps from China
Key factors include pricing, lead time, and after-sales support. Compare multiple quotes and check supplier responsiveness. Ensure the lamps meet international safety standards (e.g., UL, CE). Some suppliers offer OEM/ODM services for custom requirements.
Types of Mercury Lamps
1. High-Pressure Mercury Lamps: Ideal for street lighting and industrial areas.
2. Low-Pressure Mercury Lamps: Used in germicidal applications.
3. Metal Halide Lamps: A variation with improved color rendering.
4. Fluorescent Lamps: Energy-efficient for commercial spaces.
Functions and Features of Mercury Lamps
These lamps produce light by passing an electric current through mercury vapor. Key features include:
- High luminous efficacy (50–60 lumens per watt)
- Long lifespan (up to 24,000 hours)
- UV-blocking coatings for safety
Scenarios of Mercury Lamps
Common applications:
- Street Lighting: High-pressure lamps illuminate roads efficiently.
- Greenhouses: Promote plant growth with specific light spectra.
- Water Treatment: UV lamps disinfect water without chemicals.
How to Choose Mercury Lamps
Consider:
- Wattage: Match to your area’s size (e.g., 250W for large spaces).
- Color Temperature: 4000K–7000K for bright white light.
- Base Type: E27 or E40 for compatibility.
Mercury Lamps Q & A
Q: Are Mercury Lamps energy-efficient?
A: Yes, they use 30–50% less energy than incandescent bulbs.
Q: How do I dispose of them safely?
A: Recycle at certified facilities due to mercury content.
Q: Can they work in cold temperatures?
A: High-pressure variants perform well in low temps.
Q: What’s the average lifespan?
A: 10,000–24,000 hours, depending on type.
Q: Do they require a ballast?
A: Yes, to regulate current and prevent flickering.








