Guangzhou Custom-Made Special Glass Factory: Traps to Avoid When Choosing One-Way Vision Glass – Don’t Be Tricked by Merchants!
Release time：
Mar 22,2025
One-Way Mirror Selection: Traps to Avoid, Don't Be Tricked by Merchants!
One-way mirrors (also known as one-way glass or two-way mirrors) can create a mirror reflection on the brighter side, while the darker side allows for visibility. They are widely used in surveillance rooms, privacy windows, interrogation rooms, and smart homes. However, improper selection may lead to privacy issues, low light transmission, and reverse visibility at night. Here are some pitfalls to watch out for when purchasing:
Pitfall 1: One-way visibility ≠ complete privacy, light difference is key
Misconception: Merchants claim "you can see outside during the day, but they can't see you." However, the actual effect depends on the ambient light.
Correct Approach:
- Daytime: Outdoor light is brighter than indoor light → The outer side forms a mirror surface, providing privacy.
- Night: Indoor light is brighter than outdoor light → The outside can clearly see the inside, greatly reducing privacy!
- Solution: At night, use curtains or dimming films, otherwise privacy is lost!
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Pitfall 2: Too low light transmission, affecting lighting
Misconception: Merchants boast about the "perfect" one-way mirror, but it actually reduces light transmission due to the addition of a metal coating layer during the manufacturing process.
Correct Approach:
- Check the light transmission parameters when purchasing; glass with less than 50% light transmission will appear significantly darker, affecting lighting.
- It is recommended to choose high light transmission (above 60%) one-way mirrors to ensure basic natural lighting.
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Pitfall 3: Poor quality coating is easy to peel off, affecting durability
Misconception: Low-priced products use inferior metal coatings, which oxidize and peel off after a few years, losing the one-way visibility effect.
Correct Approach:
- Choose vacuum magnetron sputtering coating technology for higher durability and less peeling.
- Avoid cheap film-type one-way mirrors, which are prone to bubbling and fading after prolonged use.
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Pitfall 4: Insufficient explosion-proof performance, high safety risk
Misconception: Ordinary one-way mirrors are not tempered or laminated and are easy to injure people when broken.
Correct Approach:
- Choose tempered and laminated glass (such as 6+6 laminated one-way glass), which will not produce sharp glass fragments even when broken.
- High-rise buildings/surveillance rooms and other places with high safety requirements must choose laminated glass to avoid accidental damage.
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Pitfall 5: One-way visibility effect is related to glass color and angle
Misconception: All one-way mirrors can achieve perfect results, but different colors and angles affect visibility.
Correct Approach:
- Silver or dark-colored coated one-way mirrors have better effects and can create better reflection than light-colored coatings.
- During installation, the angle should be directly aligned with the line of sight, otherwise, reflective blind spots may occur, affecting privacy protection.
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Before purchasing one-way mirrors, you must do the following:
1. Understand the impact of light difference, and curtains or smart dimming films are required at night, otherwise privacy will be lost.
2. Choose glass with a light transmission rate of over 60% to avoid insufficient indoor lighting.
3. Choose vacuum magnetron sputtering coating technology to avoid inferior coatings that peel easily.
4. Choose tempered and laminated glass to improve safety and avoid injury from ordinary glass breakage.
5. Darker coatings have better effects, and the installation angle should be directly aligned with the line of sight to avoid reflective blind spots.
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