Electromagnetic radiation is categorized into high-frequency and low-frequency types, each requiring specific protective measures. To safeguard against these radiations, specialized fabrics are designed to provide effective shielding.
There are three main types of fabrics that offer protection against high-frequency electromagnetic radiation:
1. **Blended Woven Anti-EMF Fabric** – This fabric closely resembles regular textiles in appearance but contains nano-metal shielding fibers mixed with other materials. The shielding fibers are finer and softer than silk, offering a soft, breathable, and durable material. It has been tested to block over 99.9% of electromagnetic radiation (above 30dB), making it ideal for maternity wear, workwear, and everyday clothing.
- **Width**: 58–59 inches
- **Components**:
- Thin cotton fabric: 17% shielding fiber + 83% cotton
- Medium/thick fabric: 20% shielding fiber + 28% cotton + 52% polyester
- Thick fabric: 30% shielding fiber + 25% cotton + 45% polyester
2. **Blended Knit Anti-EMF Fabric** – Made with 32s yarn, containing 20% shielding fiber, this fabric provides good flexibility and comfort while maintaining strong shielding properties.
3. **Nano-Ion Shielding Fabric** – With a shielding rate of up to 99.999999% (70dB or more), this fabric is highly effective in environments with strong electromagnetic fields such as telecom stations, base stations, and radar facilities. It can be used as an inner layer in clothing and requires only gentle wiping for maintenance.
**Key Features of the Fabric**
- **Anti-EMF Function**: Blocks electromagnetic radiation from 30MHz to 16GHz, effectively protecting against emissions from computers, household appliances, and transmitting stations.
- **Far-Infrared Health Benefits**: Promotes blood circulation and metabolism, offering a natural health boost.
- **Anti-Static and Bactericidal Effects**: Enhances comfort and reduces static buildup, while also preventing bacterial growth.
**Testing Methods**
- **Conductivity Test**: A multimeter shows conductivity, unlike ordinary fabric.
- **Fire Test**: Blended fabric leaves a mesh-like residue, while nano-ion fabric produces metal powder.
- **Handheld Radiation Tester**: Detects radiation levels, showing red light when exposed and green light when shielded.
**Applications**
These fabrics are suitable for various clothing items, especially for pregnant women, office workers, children, and elderly individuals. They are also widely used in industries like electronics, telecommunications, and military sectors where electromagnetic interference must be minimized.
**Shielding Efficiency Conversion**
- 3dB → 50%
- 6dB → 75%
- 9dB → 87.5%
- 12dB → 93.75%
- 30dB → 99.9%
- 70dB → 99.9999%
**Understanding Electromagnetic Pollution**
Electromagnetic pollution comes from both natural and artificial sources. Since the mid-20th century, the spread of microwaves and wireless technology has increased rapidly. These invisible waves can penetrate the human body and cause harm at certain intensities. Even common household appliances emit radiation that may exceed safe limits.
**Health Risks of Electromagnetic Exposure**
Prolonged exposure to electromagnetic fields can damage multiple systems, including the nervous, immune, circulatory, and reproductive systems. Studies show that people living near power lines or working in high-radiation areas face higher risks of cancer, infertility, and other serious health issues.
**How EMF Affects the Body**
- **Thermal Effect**: Causes internal heating, disrupting normal organ function.
- **Non-Thermal Effect**: Disrupts the body’s natural magnetic balance, leading to cellular damage.
- **Cumulative Effect**: Over time, repeated exposure leads to long-term, irreversible damage.
**Protective Products**
From anti-radiation undergarments to shielding curtains and fabrics, there are many options available for personal and industrial use. These products help reduce exposure and protect health in today's increasingly electronic world.
Whether you're concerned about your family's safety or looking for workplace protection, choosing the right shielding fabric is essential in today's tech-driven environment.
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