PU Sandwich Panel Custom (2-6m) - Thermal Insulation China Factory
Core Product Introduction This product adopts a composite structure of "color-coated steel sheet + high-density PU core material", which is integrally formed by high temperature and high pressure with exquisite craftsmanship and stable structure. The panels not only retain the high...
Core Product Introduction
This product adopts a composite structure of "color-coated steel sheet + high-density PU core material", which is integrally formed by high temperature and high pressure with exquisite craftsmanship and stable structure. The panels not only retain the high strength and weather resistance of color-coated steel sheets, but also have the excellent thermal insulation, sound insulation and waterproof performance of polyurethane core material. They are widely used in various building enclosure, partition wall and ceiling projects, and are suitable for construction scenarios with different environments and needs.

Core Performance Advantages
Six Highlights Reshape the Panel Benchmark
Excellent Thermal Insulation, Energy Saving & Consumption Reduction
The core material adopts high-density polyurethane (PU) with a thermal conductivity as low as 0.024W/(m·K). Its thermal insulation performance is far superior to traditional EPS and rock wool panels, which can effectively block heat conduction. Whether in hot summer or cold winter, it can stabilize the indoor temperature, reduce air conditioning and heating energy consumption, save costs for long-term building operation, and conform to the concept of green and energy-saving buildings.


Light Weight, High Strength & Easy Installation
The product is light in weight (40kg/m³), high in strength, and has excellent compression and bending resistance, without the need for complex load-bearing structure support. The panels are easy to splice, with high construction efficiency, which can greatly shorten the construction period, reduce labor costs, and at the same time reduce the overall building load and improve building safety and stability.
Waterproof & Fireproof, Safety Assurance
The face panel is made of high-weather-resistant color-coated steel sheet, with a special coating treatment on the surface, which is corrosion-resistant, anti-aging, waterproof and moisture-proof; the polyurethane core material is flame-retardant treated, reaching B1 fire rating standard, which does not spread when exposed to fire, has low smoke and is non-toxic, passes national fire protection testing, and provides safe protection for buildings.


Sealing & Sound Insulation, Comfort & Quietness
The closed-cell structure of the polyurethane core material is compact with excellent sealing performance, which can effectively block outdoor noise (such as traffic noise, industrial noise) with a sound insulation capacity of 35-45dB. At the same time, it reduces heat exchange between indoor and outdoor, creating a quiet and comfortable indoor environment, suitable for scenarios with high requirements for sound insulation and thermal insulation.
Environmental Protection & Health, Green & Safe
The production process strictly follows environmental protection standards. The panels are formaldehyde-free and free of harmful volatile substances, meeting the requirements of national green building materials certification. No pollution is generated during use, and they can be recycled after disposal, which not only ensures human health but also practices the concept of environmental protection.


Weather Resistance & Corrosion Resistance, Long-Term Stability
The face panel is made of high-weather-resistant color-coated steel sheet, matched with UV-resistant and acid-alkali-resistant coatings, which can adapt to various harsh climate environments such as high temperature, cold, humidity and coastal salt spray, and is not easy to fade, peel or rust. The polyurethane core material does not absorb water or mildew, and can maintain stable performance even in high humidity and high salt spray environments, with a service life of 15-20 years.
Flexible Customization Parameters
We support flexible customization. The size can be adjusted according to your architectural design, construction needs and transportation conditions to ensure that the product perfectly adapts to the project scenario without additional cutting, improving construction efficiency and reducing loss costs.
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Parameter Category |
Specification Details |
Customization Instructions |
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Length |
2-6 Meters |
Supports customization of any size from 2 meters to 6 meters, which can be adjusted according to construction span and transportation conditions to meet different architectural needs |
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Width |
383mm (Fixed) |
Standard fixed width of 383mm, adapting to industry universal construction specifications, with tight splicing and no gaps |
|
Thickness |
16mm, 20mm (Regular) |
Default provides 16mm and 20mm thickness, supports customization of other thicknesses (such as 25mm, 30mm, etc.). The thicker the thickness, the better the thermal insulation and sound insulation effect |
|
Face Panel Material |
High-Quality Color-Coated Steel Sheet |
Different coatings and colors are available (such as gray white, sea blue, crimson, etc.), with strong corrosion resistance and weather resistance |
|
Core Material Density |
≥40kg/m³ |
High-density polyurethane core material ensures thermal insulation and load-bearing performance, and density can be adjusted according to needs |
Full-Scenario Application Coverage, Adapting to Diverse Architectural Needs

Industrial Field
Factory workshops, partition walls/ceilings of production workshops, warehouse enclosure structures, thermal insulation walls of cold storage, purification workshop enclosures, adapting to high temperature, low temperature and high cleanliness needs of industrial production.

Commercial Field
Supermarkets, shopping malls, office building partition walls, exhibition halls, sentry boxes, prefabricated houses, temporary sales offices, balancing practical functions and visual beauty with efficient construction.

Civil Field
Villa partition walls/ceilings, sunroom enclosures, thermal insulation walls of rural self-built houses, homestay renovations, with good thermal insulation and sound insulation effects, improving living comfort.

Special Scenarios
Hospital isolation areas, cold chain logistics facilities, airport terminal auxiliary buildings, port warehouses, adapting to places with high requirements for thermal insulation, cleanliness and fire protection.
Production Process Assurance, Quality Controlled from the Source

Selected Raw Materials, Quality Foundation

Advanced Technology, Precision Molding

Multiple Inspections, Qualified Delivery
Source Factory Strength, A Reliable Choice for Cooperation
Source Factory, Cost-Effective Advantage
Own production base, no middlemen to increase prices, direct connection with customers, providing ex-factory price supply. Bulk purchases can enjoy more discounts with higher cost performance.
Professional Team, Customized Services
Has a professional technical team, which can provide targeted size customization and scheme design suggestions according to your project drawings and usage scenarios, follow up the construction progress throughout the process, and answer technical questions.
Cross-Border Adaptation, Export Assurance
The products are produced in strict accordance with international export standards, passed CE, ISO and other certifications, and adapted to architectural specifications in Europe, America, Southeast Asia, the Middle East and other regions. Customized packaging (scratch-proof, moisture-proof, compression-resistant) can be provided to adapt to long-distance sea and land transportation needs, ensuring that products are intact during cross-border transportation and meeting the procurement needs of foreign trade customers.
Perfect After-Sales Service, Worry-Free Assurance
Provide door-to-door delivery service (negotiated according to order quantity), the product has a 5-year quality guarantee. For non-human quality problems during the quality guarantee period, free maintenance and replacement are provided; technical consulting services are provided for life with timely after-sales response.
Both Aesthetics and Practicality, Optional Appearance Customization
The panels not only have excellent performance, but also take into account visual aesthetics, supporting customization of multiple panel colors to meet the needs of different architectural styles.
Regular colors: gray white, sea blue, crimson, beige, dark gray (no additional charge); special colors can be customized on demand with uniform color, delicate texture, strong coating adhesion and not easy to fade. After construction, the building has a clean and beautiful appearance, improving the overall texture of the building.
Frequently Asked Questions
What are the advantages of PU sandwich panels compared with other sandwich panels (such as EPS, rock wool)?
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Compared with EPS sandwich panels, PU sandwich panels have better thermal insulation performance, higher fire rating and longer service life; compared with rock wool sandwich panels, PU sandwich panels have stronger waterproof performance, lighter weight, easier installation and better sound insulation effect, with higher comprehensive cost performance.
What is the fire rating of the product? Does it meet the relevant national standards?
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The core material of our PU sandwich panels has been flame-retardant treated, reaching B1 fire rating (flame-retardant grade), which fully meets the "Classification of Burning Performance of Building Materials and Products" (GB 8624-2012) standard, can pass fire acceptance, and is suitable for various architectural scenarios with fire protection requirements.
Do the products support export? Can relevant certification documents be provided?
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Cross-border export is supported! The products meet international export standards, have passed authoritative certifications such as CE and ISO, and can provide a complete set of documents such as certification certificates, test reports and customs clearance materials according to customer needs. At the same time, customized export packaging is provided to adapt to long-distance transportation needs.
Are PU sandwich panels resistant to salt spray corrosion when used in coastal areas?
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Fully adaptable! Our face panels are made of high-weather-resistant color-coated steel sheets, matched with special anti-salt spray coatings, which can effectively resist salt spray erosion in coastal areas and prevent panel rust and fading. The polyurethane core material does not absorb water or mildew, and can maintain stable performance even in high humidity and high salt spray environments without affecting the service life.
Do the panels need regular maintenance during use?
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No complicated maintenance is required! The panels have strong weather resistance and corrosion resistance. Daily maintenance only needs to regularly clean the surface dust and debris (can be wiped with clean water or neutral detergent) and avoid scratching the panel with sharp objects. If local damage occurs, it can be simply repaired with extremely low maintenance cost.
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