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PUR/PIR Insulated Sandwich Wall Panels

Composed of polyol and isocyanurate, Polyurethane (PUR) is a rigid foam that is created by using special materials and under the specific production conditions. It provides an outstanding thermal insulation as it has closed cell structure.

PUR insulation core is the right choice for perfect thermal insulation on the wall panels of buildings. Moreover, the FM-approved PIR insulation core, the

version of PUR with closed cell structure with an increased fire resistance performance, is essential for buildings with a fire risk.
  • PUR/PIR Insulated Sandwich Wall Panels

  • TianShun

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 Product Description

Composed of polyol and isocyanurate, Polyurethane (PUR) is a rigid foam that is created by using special materials and under the specific production conditions. It provides an outstanding thermal insulation as it has closed cell structure.

PUR insulation core is the right choice for perfect thermal insulation on the wall panels of buildings. Moreover, the FM-approved PIR insulation core, the

version of PUR with closed cell structure with an increased fire resistance performance, is essential for buildings with a fire risk.

机制板场景4

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 Production Choices of PUR/PIR Insulated Sandwich Wall Panels

Composed of polyol and isocyanurate, Polyurethane (PUR) is a rigid foam that is created by using special materials and under the specific production conditions. It provides an outstanding thermal insulation as it has closed cell structure.

PUR insulation core is the right choice for perfect thermal insulation on the wall panels of buildings. Moreover, the FM-approved PIR insulation core, the

version of PUR with closed cell structure with an increased fire resistance performance, is essential for buildings with a fire risk.

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 Data Sheet

Core Thickness 50mm 75mm 100mm 120mm 150mm 180mm 200mm
Density of core 38-45kg/m3
Steel Plate Thickness 0.4-0.8mm
Metal Sheet Color Coated Steel Sheet / Stainless steel plate
Galvanized layer of steel plates Exterior plate and Inner plate: Aluzinc or Zinc coating
Panel Length According to customers’ request
Width 1000/1120/1130mm

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 Testing Quality

The first two dynamic test images visually demonstrate the flame-retardant properties of our cold storage panel core material. We simulated a real-world fire using a standard flame source, continuously burning the panel surface. As you can see, the panel didn't burn violently. Instead, it carbonized its surface, forming a dense char layer that effectively blocked the flames from penetrating deeper. This is the most critical step! Once the fire source was removed, the open flames on the panel extinguished themselves within a very short time (approximately 2-3 seconds), with no signs of sustained combustion.

The third dynamic test image is a transparent statement about our "closed-cell rate." Our closed-cell rate of over 98% means that the vast majority of the countless cells within the panel are independent and sealed. These countless tiny "vacuum compartments" together create an impenetrable barrier, completely isolating moisture and water vapor.

阻燃测试2
冷库板阻燃测试
冷库板闭孔率测试



Product Overview

As a leading manufacturer and supplier of advanced building materials, we offer high-performance PUR/PIR insulated sandwich wall panels designed for modern construction demands. Engineered for optimal thermal efficiency and structural integrity, these panels provide exceptional value for large-scale industrial and commercial projects.

  • Premium PUR/PIR core for superior, long-lasting insulation.

  • Customizable dimensions to fit precise architectural requirements.

  • Fire-resistant and highly durable surface coatings.

  • Streamlined installation process reducing overall labor costs.

Product Description

Step into the future of high-efficiency construction with our premium PUR/PIR insulated sandwich wall panels. Designed to meet the rigorous demands of modern architectural, industrial, and commercial facilities, these panels act as a robust thermal barrier that drastically cuts down long-term energy expenditures. The meticulously engineered polyurethane (PUR) or polyisocyanurate (PIR) core is sandwiched between high-grade, corrosion-resistant steel sheets, creating a monolithic structure that refuses to warp, sag, or degrade under extreme environmental stress. Beyond mere temperature control, the dense cellular structure of the core dampens external noise and provides an impenetrable defense against moisture ingress. The sleek, rigid metallic surface offers a visually striking, professional finish that elevates the aesthetic of any facility while requiring virtually zero maintenance. By integrating these advanced panels into your next project, you are investing in a sustainable, high-strength envelope that accelerates project completion timelines, minimizes structural load, and ensures a pristine, climate-controlled interior environment for decades to come.

机制板场景4

Product Specifications

Parameter

Specification

Core Material

PUR (Polyurethane) / PIR (Polyisocyanurate)

Core Density

38 - 45 kg/m³

Panel Thickness

40mm - 200mm

Steel Sheet Thickness

0.4mm - 0.8mm (Top and Bottom)

Effective Width

500mm - 1150mm (Standard: 1000mm)

Length

Customized (Typically 2m - 15m)

Thermal Conductivity

PUR: 0.022-0.026 W/(m·K) | PIR: ≤0.018 W/(m·K)

Fireproof Rating

Class B1 / B2, FM Approved

Surface Coating

PE (Polyester), PVDF, HDP

Surface Texture

Flat, Micro Lined, Deep Lined, Ripple, Square

Water Absorption

≤1% - 3%

Key Features & Highlights

Elevate your construction standards with panels engineered to deliver uncompromising performance. Our PUR/PIR insulated sandwich wall panels are crafted to solve complex architectural challenges, ensuring that your facilities remain secure, energy-efficient, and visually impressive.

  • Exceptional Thermal Resistance: The dense microcellular foam structure traps air effectively, creating an absolute barrier against heat transfer and drastically lowering HVAC operational costs.

  • Acoustic Dampening Properties: The rigid foam core absorbs sound vibrations, creating a quieter, more focused interior environment ideal for manufacturing floors or commercial spaces.

  • Moisture and Vapor Barrier: With a remarkably low water absorption rate, these panels prevent condensation build-up and protect internal structures from mold and degradation.

  • Architectural Versatility: The availability of multiple surface profiles—from sleek flat finishes to dynamic deep-lined textures—allows for creative architectural expressions without compromising structural integrity.

  • Impact-Resistant Exterior: The high-tensile steel facings, combined with advanced coating technologies, resist scratches, dents, and the corrosive effects of harsh industrial atmospheres.

Comprehensive Performance Dimensions

To fully understand the transformative impact of our insulated wall panels, we have categorized their core advantages. These dimensions highlight exactly how our engineering translates into tangible operational benefits for your large-scale developments.

  • Core Material & Thermal Insulation: Utilizing high-density PUR/PIR rigid polyurethane foam, these panels achieve an exceptionally low thermal conductivity (PIR reaching 0.018 W/m·K). This superior insulation eliminates thermal bridging, fundamentally reducing the long-term energy consumption required for facility cooling and heating.

  • Fire Resistance & Safety: Engineered for maximum safety, the panels boast outstanding fire-retardant properties (Class B1/B2, FM Approved). In the event of extreme heat, the PIR core rapidly forms a carbonized protective layer, effectively halting the penetration and spread of flames, thereby meeting the stringent fire safety codes of industrial, commercial, and cold storage buildings.

  • Structural Strength & Durability: Boasting high compressive strength and a minimal coefficient of thermal expansion, the panels remain structurally sound. Paired with corrosion-resistant metal facings featuring PVDF or HDP coatings, they resist fading and deformation in extreme climates, ensuring a lifespan exceeding 25 years with almost no maintenance required.

  • Customization & Design Flexibility: We offer profound customization options encompassing panel thickness (40-200mm), width, length, and diverse surface textures (flat, micro-lined, deep-lined). This flexibility perfectly accommodates varying structural spans, load-bearing requirements, and contemporary architectural aesthetics.

  • Installation Efficiency & Joint Design: The lightweight nature of the panels, combined with a precision-engineered secret fix joint system, dramatically enhances the airtightness and waterproofing of the entire wall assembly. This intuitive interlocking design facilitates rapid assembly, significantly compressing construction schedules and slashing labor expenditures.

  • Versatility of Applications: These panels are the definitive solution for a multitude of demanding environments. They precisely fulfill the rigorous temperature control, hygiene, and durability requirements of cold storage facilities, cleanrooms (pharmaceutical and electronic), industrial manufacturing plants, logistics warehouses, and advanced agricultural facilities.

  • Eco-friendliness & Sustainability: Manufactured with zero Freon emissions and utilizing recyclable materials, our panels champion environmental responsibility. Their extraordinary energy-saving capabilities assist procurement teams and developers in constructing modern facilities that strictly adhere to global Green Building standards.

阻燃测试2
冷库板阻燃测试
冷库板闭孔率测试

Why Choose Us

Selecting the right manufacturing partner is crucial for the success and longevity of your construction projects. As a dedicated supplier with extensive expertise in advanced building envelopes, we provide more than just materials; we deliver reliable, end-to-end solutions tailored to your specific project demands.

  • Unmatched Manufacturing Precision: Our state-of-the-art production lines ensure every panel is cut, filled, and coated with microscopic accuracy, guaranteeing a seamless fit on the job site.

  • Stringent Quality Assurance: From raw material sourcing to final dispatch, every batch undergoes rigorous testing for thermal performance, structural load, and fire resistance, ensuring flawless consistency.

  • Scalable Production Capacity: Whether you are constructing a single specialized cleanroom or a massive multi-facility logistics park, our robust manufacturing capabilities guarantee timely delivery without compromising quality.

  • Technical Engineering Support: Our team of material experts collaborates closely with your architects and engineers, providing detailed load span calculations and joint design recommendations to optimize your build.

  • Global Logistics Expertise: We utilize specialized packaging and strategic shipping protocols to ensure that your large-scale panel orders arrive at your site in pristine condition, ready for immediate installation.

FAQ

Navigating the technical specifications of insulated building materials can be complex. Below, we address the most common technical inquiries to help you make an informed decision for your next structural envelope project.

What is the primary difference between PUR and PIR core materials?

While both are excellent insulators, PIR (Polyisocyanurate) undergoes a different chemical reaction during manufacturing, resulting in a highly cross-linked structure. This gives PIR superior thermal stability and exceptional fire resistance, allowing it to form a protective char layer when exposed to flames, whereas PUR (Polyurethane) is slightly more cost-effective for standard temperature-controlled environments.

How does the secret fix joint system improve the building envelope?

The secret fix (concealed fastener) design hides the mounting screws within the interlocking joint of the panels. This not only creates a sleek, uninterrupted architectural facade but also eliminates exterior penetrations, fundamentally reducing the risk of water ingress, thermal bridging, and localized corrosion around fastener points.

Are these panels suitable for highly corrosive environments, such as chemical plants or coastal areas?

Absolutely. For aggressive environments, we highly recommend specifying our panels with PVDF (Polyvinylidene Fluoride) or HDP (High Durability Polyester) surface coatings. These advanced finishes provide exceptional resistance to UV radiation, salt spray, and airborne chemicals, ensuring the steel facings do not degrade over time.

Can the panel lengths be customized to minimize horizontal joints on tall facades?

Yes, we manufacture panels to custom lengths, typically ranging from 2 meters up to 15 meters, depending on shipping container constraints and site handling capabilities. Utilizing continuous, full-length panels significantly enhances the structural integrity of the wall and minimizes the sealing required for horizontal joints.

How do these insulated panels contribute to Green Building certifications?

Our panels drastically lower the operational carbon footprint of a facility by minimizing the energy required for heating and cooling. Furthermore, our manufacturing process is completely free of Freon emissions, and the steel facings are fully recyclable. These attributes heavily support the accumulation of points for stringent environmental certifications.

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