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Stadium seating is specifically designed for use in auditoriums and stadiums, offering durability, comfort, and aesthetic appeal. These seats are widely used in large public venues due to their ability to withstand harsh weather conditions and heavy usage.
**Development and Production of Stadium Seating Types**
**Plastic Stand Chairs**
The plastic stadium seat is made from imported polyethylene using a blow-molding process. This ensures a smooth, uniform appearance with strong weather resistance and easy maintenance. It is ideal for both indoor and outdoor use and has become a popular choice in many modern stadiums.
**FRP (Fiberglass Reinforced Plastic) Stand Chairs**
These chairs feature a smooth surface with excellent weather and chemical resistance. They are resistant to aging, do not crack easily, and come in a variety of colors that can be customized based on client preferences. Their durability and aesthetic design make them a common choice in sports facilities and large halls.
Stadium stand seats are manufactured using high-quality materials such as imported plastic injection molding or blow molding techniques. These processes ensure the seats have a stable structure, a beautiful appearance, and a long service life. Features like elastic feet and impact resistance enhance user comfort and safety.
**Excellent Material**
High-performance materials from Philips, including special pigments, UV absorbers, and antioxidants, are used to ensure longevity and color retention. The material is designed to resist environmental damage and maintain its visual appeal over time.
**Good Strength**
The mechanical properties of the seats exceed national standards. Each seat can withstand an impact of 80 kg from a height of 300 mm, while the chair legs can support vertical forces of at least 700 kg. The large beam spacing (160 mm) helps prevent swaying and provides additional stability.
**Superior Performance**
After undergoing extreme temperature tests (from -50°C to +75°C), these seats have been successfully installed in locations as diverse as the equatorial island of Chilan and snowy regions in Russia. Despite years of exposure, they continue to perform well and look great.
**Rust-Resistant Construction**
All metal components are treated with electrostatic spray coating after phosphating and pickling, ensuring long-term rust protection. The design also allows for hidden mounting, making cleaning easier and more efficient.
**Types of Stadium Seating**
Based on production methods:
- Injection-molded chairs
- Hollow blow-molded chairs
Based on seat shape:
- Flat chairs
- Low-back chairs
- Mid-back chairs
- High-back chairs
- Split (upset) chairs
Based on installation type:
- Iron foot paperback
- Iron foot side-mounted
- Iron foot stand-mounted
- Aluminum foot side-mounted
- Aluminum foot stand-mounted
**Optional Accessories**
- Handrails
- Cushions
- Coffee table frames
- Footrests
- Anti-aging agents
- Flame retardants
**Excellent Wear Resistance**
Hollow blow-molded seats are made from materials with high toughness and excellent resistance to environmental stress cracking, ensuring long-lasting performance.
**Water Repellency**
The material is designed to resist water and prevent stains from juice, dirt, or sewage from affecting the chair’s appearance.
**Color Stability**
The color formula uses imported color masterbatches from companies like PuLiWan (USA) and DIC (Japan), ensuring vibrant, long-lasting colors that do not fade, discolor, or crack over time.
**Special Technical Measures**
For outdoor stadium seating, several technical measures are implemented to ensure durability and functionality:
1. Light stabilizers are added during the production process to maintain bright colors over time. Metal parts are phosphated, pickled, and treated for rust and corrosion resistance.
2. The seat surface includes self-draining holes to prevent water accumulation. The finish is self-cleaning, and the seats are securely fastened to the ground. All sealing holes are watertight to avoid leaks.
3. The seats are designed with sufficient strength and anti-sloshing features, and they are installed in groups to prevent one faulty seat from affecting the entire row.
**Performance Index of Hollow Blow-Molded Polyethylene**
| Trade Name | Guan Aotong |
|------------|-------------|
| Specification | HM5002 |
| Material | High-density polyethylene |
| Melt Flow Rate (g/mm) | 0.25–0.35 |
| Density (g/cm³) | 0.925–0.955 |
| Cleanliness (contaminated particles) | A ≤ 20, B ≤ 1 |
| Tensile Strength at Yield | ≥26 MPa |
| Environmental Stress Cracking, Condition AF50 | ≥20 H |
| Elongation at Break | ≥500% |
| Ash Content | ≤0.03% |
These specifications confirm the high quality and reliability of the material used in stadium seating, making it suitable for long-term use in various environments.
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