High Load-Bearing Fire Retardant Thermal Insulated Sandwich Panel for Prefabricated Steel Structure Bridges

• Customization: Available
• After-sales Service: Customer Service Tracking
• Warranty: Negotiable
• Model NO.: Sandwich Panel
• Feature: Environmental, Fireproof, Light Weight, Metal Panel
• Fire Rating: 4
• Certification: ISO9001
• Customized: Customized
• Useful Life: at Least 30 Years
• Application Temperature: -50℃-150℃
• Characteristics1: Lightweight and High-Strength
• Characteristics2: High Seismic Resistance
• Characteristics3: Thermal Insulation and Heat Preservation
• Application Scenarios1: Industrial Factory Building
• Application Scenarios2: Large-Scale Warehouses, Supermarkets, Sports Venue
• Transport Package: Standard
• Specification: Based on customer needs
• Trademark: Holu
• Origin: Hefei Anhui China
• HS Code: 73089000
• Production Capacity: 3000 Million Squar Meters
• Package Size: 300.00cm * 85.00cm * 85.00cm
• Package Gross Weight: 1680.000kg

Product Description

Product Description

Product Introduction: Concealed - Fastener Polyurethane (PU) Exterior Wall Panels

Our Concealed - Fastener Polyurethane (PU) Exterior Wall Panels are engineered to integrate advanced thermal insulation, structural durability, and aesthetic versatility, making them an ideal choice for modern architectural envelopes. Designed with concealed fastener systems and optimized profiles, these panels offer superior performance in energy efficiency, weather resistance, and visual appeal.

1. Profile & Design Options

• Panel Types: Two types of concealed - fastener profiles are available:
  • Narrow - joint concealed fastener wall panel
  • Wide - joint concealed fastener wall panel
• Surface Patterns: Four customizable surface finishes are provided to suit different design preferences:
  • Flat (Pure flat)
  • Mini - rib (Small corrugated)
  • Beaded (Beading)
  • Embossed (Embossed)
• Effective Coverage: The panels have an effective coverage width of 1000 mm, enabling seamless installation.

2. Technical Specifications

Parameter	Details
Core Material	Polyurethane (PU)
Thermal Conductivity	≤ 0.023 W/m·K (outstanding insulation performance)
Panel Thickness	50 mm / 75 mm / 100 mm (optional)
Coated Sheet Thickness	0.4-0.8 mm (durable metal facings)

3. Performance Advantages

High - Efficiency Thermal Insulation:
The PU core features an ultra - low thermal conductivity (≤0.023 W/m·K), which significantly reduces heat transfer and cuts down on HVAC energy consumption. This makes the panels ideal for temperature - controlled environments such as cold storage facilities and industrial plants.

Airtight & Thermal Bridge - Free Design
Equipped with airtight seal strips and designed with a thermal bridge break mechanism, the panels minimize air leakage and heat loss, thereby enhancing the overall energy efficiency of the building.

Robust Durability
The 0.4-0.8 mm coated metal facings offer excellent resistance to corrosion, impact, and weathering. As a result, the panels can ensure long - term performance even in harsh conditions like coastal and industrial areas.

Aesthetic Flexibility
With four surface patterns (Flat, Mini - rib, Beaded, Embossed) and two joint profiles (narrow/wide), the panels can adapt to a wide range of architectural styles, from modern minimalist to industrial chic.

4. Application Scenarios

These panels are perfect for exterior wall cladding in the following scenarios:

• Industrial warehouses and factories
• Commercial buildings such as malls, offices, and showrooms
• Cold chain facilities like refrigerated warehouses and freezers
• Prefabricated modular structures

They are particularly suitable for projects where thermal efficiency, durability, and design versatility are crucial.

5. Why Choose Our PU Panels?

• Seamless Aesthetics: The concealed fasteners eliminate visible hardware, creating a clean and professional appearance.
• Customizable Performance: You can select the panel thickness (50/75/100 mm) and surface patterns to meet the specific needs of your project.
• Energy Savings: The low thermal conductivity and airtight design help reduce long - term operational costs.

Elevate your building's envelope with our high - performance PU exterior wall panels that combine function, durability, and style. Contact us for customized solutions or technical support.

 

Company Profile

Honglu company focuses on steel structure manufacturing, with a total of more than 20,000 registered front-line technicians, ranking second among the Top 100 comprehensive private manufacturing enterprises in Anhui Province in 2023; It ranks18th among the Top 100 private enterprises in Anhui Province in terms of revenue; Our company's building steel structure products have been recognized as a Single Champion in manufacturing industry.

Honglu company is one of the first batch of national prefabricated housing bases in China, and Honglu has participated in the compilation of China's first prefabricated steel structure housing standard.

The steel structure industry to which we belong is a green and low-carbon industry actively encouraged by the state, and is the backbone of the reform of the construction industry. The company will continue to improve the R&D, procurement, manufacturing of all aspects of informatization,
intelligent construction, and strive to become China's largest high-quality steel structure manufacturing R & D base with the leading technology, the best quality, the most satisfied customer.

In 2023, the output of steel structure products is about 4.488 million tons, and the output of steel structure products in 2024 is about 4.488 million tons.
 

Hefei Shuangfeng	factory area  600,000 sq.m.
Hefei Xiatang	factory area 350,000 sq.m. Galvanizing plant  with an annual output of 350,000   tons (28,800 sq.m.)
Xuancheng	building area of the plant 150,000 sq.m.
Jinzhai	building area of the plant  300,000 sq.m.
Bengbu	building area of the plant 75,000 sq. m.
Guoyang	building area of the plant 1.75 million sq.m.
Yingshang	plant area 500,000 sq.m.
Chongqing	building area of the plant 700,000 sq.m.

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