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Stadium seating is specifically designed for use in auditoriums and stadiums, offering comfort, durability, and aesthetic appeal. These seats are manufactured using advanced techniques and high-quality materials to ensure long-term performance in various environments.
**I. Development and Production of Stadium Seating Types**
**Plastic Stand Chairs**
The plastic stadium seat is made from imported polyethylene and produced through a blow-molding process. This ensures a smooth, uniform surface with elegant lines, excellent weather resistance, and easy maintenance. It is widely used in public spaces due to its durability and practicality.
**FRP Stand Chairs**
Fiberglass-reinforced plastic (FRP) seats feature a smooth surface, strong weather and chemical resistance, and anti-aging properties. They are non-cracking, colorful, and easy to clean, making them ideal for large venues such as stadiums and halls. Custom color options are available based on client preferences.
Stadium stand seats are typically manufactured using either injection molding or blow molding techniques. The materials used are known for their stability, attractive appearance, and structural strength, with features like elastic feet and impact resistance.
**Excellent Material**
High-quality blow-molded materials from leading global suppliers like Philip and CIB are used, incorporating UV absorbers and antioxidants for long-lasting performance.
**Good Strength**
These seats exceed national mechanical standards, with a 80Kg impact test at 300mm and a vertical load capacity of over 700Kg on the chair legs. The large beam spacing (160mm) ensures stability against lateral movement.
**Superior Performance**
Seats have been tested under extreme temperatures (from -50°C to +75°C) and are successfully used in locations ranging from equatorial islands like Micronesia to snowy regions like Russia, proving their resilience over time.
**Corrosion Resistance**
All metal components undergo electrostatic spraying and phosphating treatment for rust prevention, with hidden mounting for easier cleaning.
**Classification by Production Method**
a. Injection chairs
b. Hollow blow chairs
**Classification by Seat Shape**
a. Flat chairs
b. Low-back chairs
c. Mid-back chairs
d. High-back chairs
e. Split (upset) chairs
**Classification by Installation Type**
a. Iron foot paperback
b. Iron foot side-mounted
c. Iron foot stand-mounted
d. Aluminum foot side-mounted
e. Aluminum foot stand
**Optional Accessories**
a. Handrails
b. Cushions
c. Coffee table frames
d. Footrests
e. Anti-aging agents
f. Flame retardants
**Abrasion Resistance**
Hollow blow seats are made from materials with excellent toughness and environmental stress crack resistance.
**Water Repellency**
The material prevents staining from spills and sewage, maintaining the seat's appearance.
**Color Stability**
Seats use imported color masterbatch from American PuLiWan and Japanese DIC to ensure long-lasting vibrant colors without fading or cracking.
**II. Special Technical Measures**
For outdoor stadium seating, specific technical measures are implemented:
(1) Light stabilizers are added during production to maintain color brightness. Metal parts are phosphated and treated for rust and corrosion resistance.
(2) Seats are designed with self-draining holes to prevent water accumulation. A smooth finish allows for easy cleaning, and the structure is firmly anchored to the ground to avoid leaks.
(3) Seats are installed in groups to prevent individual failures from affecting the entire row.
**Performance Index of Hollow Blow Seat Polyethylene**
| Trade Names | Guan Aotong |
|-------------|-------------|
| Specifications | 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 |
| Elongation at Break | ≥500% |
| Ash Content | ≤0.03% |
These seats are engineered to withstand harsh conditions while maintaining aesthetics and functionality, making them an ideal choice for modern stadiums and public facilities.
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