Description

Technical Parameters

Minghua Steel Structure: Your Professional Color Coated Metal Sheet Manufacturer!

Minghua Steel Structure is a subsidiary of Cangzhou Junxing Minghua Steel Structure Co, Ltd, a professional company specializing in steel structure design, development, fabrication, processing, and installation of all kinds of steel structure projects. The company is located in Hebei Province, China, and covers an area of 30,000 square meters. Our new second factory, covering an area of 48,000 square meters, is under construction.

Metal Sandwich Panel for Sale Display

Polyurethane Sandwich Panel

Polyurethane sandwich panel is a building material made of polyurethane resin sandwiched between double-layer metal sheets. It ensures excellent performance and a sturdy texture by overlaying polyurethane insulation technology.

PU Edge Sandwich Panel

The polyurethane double-sided sealing rock wool core material and two layers of steel plates are bonded into a whole and work together. The PU edge sandwich panel overall stiffness is much better than ordinary profiled composite plates.

Hollow Glass Magnesium Sandwich Panel

Machine-made hollow glass magnesium sandwich panels have two layers of purification color-coated panels on the surface, with two layers of fire-proof glass magnesium panels and a fire-proof glass magnesium inner spacer sandwiched in the middle as the core material.

Clean Room Glass Magnesium Sandwich Panel

Compared with the traditional building decoration materials, the clean room glass magnesium sandwich panel has a higher fire rating, which can reach the standard of Class A incombustible materials. It has a very high fire resistance, and can effectively protect people's life and property safety.

Metal Purification Sandwich Panel

A Metal purification sandwich panel is a kind of sandwich panel with a metal surface, which is made of purified steel coil on both sides of the core material. It is a kind of building panel that combines core material and panel into a whole through a continuous forming process on the special automatic production line.

Stainless Steel Clean Sandwich Panel

Stainless steel clean sandwich panel is a composite panel made of 304/316 stainless steel. Core materials include rock wool, paper honeycomb, magnesium glass panel, aluminum honeycomb, magnesium oxysulfide and others.

Rockwool Manual Clean Sandwich Panel

The rockwool manual clean sandwich panel uses rock wool as the core material and is covered with a layer of purification panel on the surface. It is made of high-quality steel panel material and made through fine handcrafts to ensure a smooth surface, wear-resistant and dust-proof.

Magnesium Oxysulfide Clean Sandwich Panel

Magnesium oxysulfide clean sandwich panels have magnesium oxysulfide as the core material, a surface layer of galvanized or colored panels, and a high-strength adhesive that firmly bonds the core material to the panel. It has superb fire resistance and is capable of effectively halting the spread of flames.

Polystyrene Clean Sandwich Panel

Polystyrene clean sandwich panels use high-density foamed polystyrene as the core material, and the panels are made of high-quality color steel purification panels. It is a highly efficient new composite material.

Introduction to Metal Sandwich Panel

In the most basic terms, a sandwich panel is a unique, high-performing panel type, used in the construction of industrial buildings. It's composed of three (or sometimes more) materials, forming a composite panel that is adhered together to create one coherent structure, enhancing the building's overall energy efficiency and mechanical properties.

Different Cores of Metal Sandwich Panel

EPS (Expanded Polystyrene) Core Panels:
Overview: EPS core sandwich panels feature a core made of expanded polystyrene, known for its excellent insulation properties. These panels find widespread use in residential and commercial buildings, offering cost-effective thermal insulation. Applications: Ideal for roofing, wall cladding, and cold storage facilities.

PU (Polyurethane) Core Panels:
Overview: Sandwich panels with a polyurethane core are prized for their exceptional insulation capabilities. The polyurethane foam provides a high level of thermal resistance, making these panels an energy-efficient choice. Applications: Widely used in industries requiring temperature-controlled environments, such as warehouses and refrigeration units.

Mineral Wool Core Panels:
Overview: Mineral wool core sandwich panels are recognized for their fire-resistant properties. Comprising mineral fibers, these panels offer robust insulation while ensuring safety in the event of a fire. Applications: Ideal for structures where fire safety is a priority, such as industrial facilities and high-rise buildings.

Aluminum Honeycomb Core Panels:
Overview: Featuring an innovative honeycomb core made of aluminum, these panels strike a balance between strength and weight. Their exceptional strength-to-weight ratio makes them suitable for diverse applications. Applications: Commonly used in aerospace, marine, and architectural applications where lightweight yet strong structures are essential.

Benefits of Metal Sandwich Panel

Benefit 1: Durability & Long Life
One of the biggest advantages of sandwich sheet panels is their durability. These panels are made from high-quality materials that are designed to withstand harsh weather conditions, such as heavy rain, strong winds, and extreme temperatures. They are also resistant to corrosion, which means they won't rust or deteriorate over time. This makes them an excellent choice for buildings that are located in areas with harsh weather conditions. Sandwich sheet panels are also known for their long life. Since they are made from durable materials, they can last for decades with minimal maintenance.

Benefit 2: Energy Efficiency
Another benefit of sandwich sheet panels is their energy efficiency. These panels are designed to provide excellent insulation, which means that they can help keep your building warm in the winter and cool in the summer. This can help you save money on your energy bills, as you won't have to rely as heavily on your heating and cooling systems. Sandwich sheet panels are also great at reducing heat loss, which can help you create a comfortable environment for your building's occupants. This is particularly important for commercial buildings, such as offices and retail spaces, where the comfort of customers and employees is crucial to the success of the business.

Benefit 3: Heat Resistance Insulation
Another great benefit of sandwich sheet panels is their ability to resist heat. Its 1 lac times more insulating compared to ordinary metal sheets. The insulation layer between the metal sheets helps to prevent heat from penetrating the roof, which can help keep your building cool in the summer. This is particularly important for buildings located in warm climates, where excessive heat can make the indoor environment uncomfortable.

Water Resistance

Sandwich panels are also highly water-resistant, which makes them an excellent choice for buildings located in areas with heavy rainfall. These panels come with watertight interlocking mechanism that helps to prevent water from seeping through the roof, which can help prevent leaks and other water damage. The insulation layer between the metal sheets also helps to prevent water from seeping through the roof. This is because the insulation layer creates a thick lock that does allow water to penetrate these panels, preventing it from entering the building.

Sound Insulation

In addition to providing excellent thermal insulation, sandwich sheet panels are also great at reducing sound transmission. This is because the insulation layer helps to absorb sound waves, preventing them from passing through the roof and into the building. This makes sandwich sheet panels an excellent choice for buildings located in noisy areas, such as near busy roads or airports. They can also be a good choice for buildings where noise reduction is important, such as music studios or conference rooms.

Easy Installation

Sandwich sheet panels are also easy to install, which can save you time and money on your project. They are lightweight and can be easily handled by a small team of workers, which means that you won't need to hire a large crew to install them. In addition, sandwich sheet panels can be installed quickly and efficiently, which means that your building will be protected from the elements in no time. This can be particularly important if you're working on a tight deadline or if your building is located in an area with unpredictable weather.

Application of Metal Sandwich Panel

Facades
Sandwich panels are extensively used for constructing building facades, offering both insulation and aesthetic appeal. They find applications in residential, commercial, and industrial buildings, providing efficient protection against heat dissipation and humidity.
Roofing
Sandwich panels designed for roofing applications must withstand extreme weather conditions. They are fixed to the structure using self-drilling screws and are often combined with sealing joints to ensure proper insulation and prevent leakage.
Refrigerated Trucks, Cold Rooms and Freezers
They require specialized sandwich panels with increased thickness to withstand low temperatures. Attention to joint design is crucial to maintain the necessary insulation and temperature control.
Clean Rooms
Sandwich panels are widely used for building clean rooms that require a high level of cleanliness and a controlled environment. They are suitable for applications in the pharmaceutical, biotechnology, medical, electronic, and food industries, among others. They offer advantages such as easy installation, smooth surface, low particle emission, high fire resistance, and good thermal and acoustic insulation. They can be customized according to the specific requirements of each project, such as size, colour, core material, and finishing.
Mobile Units
Sandwich panels are also used for constructing mobile units such as mobile homes, caravans, containers, and prefabricated buildings. They provide lightweight, durable, and versasheet solutions for temporary or permanent accommodation. They can withstand harsh weather conditions and offer thermal comfort and energy efficiency. They can be easily assembled and disassembled and can be transported by road, rail, or sea. They can be designed with different shapes, colours, and features to meet the needs of various customers.
External & Fire-Rated Doors
Sandwich panels can be used for making external and fire-rated doors that comply with safety and security standards. They consist of two metal sheets with a core of fire-resistant material such as rock wool or mineral wool. They have high mechanical strength and stability and can resist fire for up to 120 minutes. They can also provide sound insulation and thermal insulation and can be customized with different finishes, colours, and accessories. They are suitable for industrial, commercial, and residential buildings that require fire protection and aesthetic appeal.

Factors to Consider Before Choosing Metal Sandwich Panels

01/

Purpose and Application
Identify the purpose of the metal sandwich panel, whether it's for roofing, wall cladding, insulation, or a combination of these. Consider the specific requirements of your application, such as resistance to weather conditions, fire, and other environmental factors.

02/

Material Composition
Evaluate the core material of the sandwich panel. Common core materials include polyurethane (PUR), polyisocyanurate (PIR), expanded polystyrene (EPS), and mineral wool. Choose a core material that aligns with your insulation needs and performance requirements.

03/

Metal Skin Material
Select the type of metal skin based on factors like durability, corrosion resistance, and aesthetic preferences. Common metal skins include steel, aluminum, and zinc-coated steel. Consider the coating type and thickness to ensure longevity and protection against the elements.

04/

Installation and Handling
Consider the ease of installation and handling. Some panels come with interlocking systems or are pre-finished, making installation more efficient. Evaluate the weight and size of the panels to ensure they can be handled and transported effectively.

05/

Fire Resistance
Assess the fire resistance properties of the panel. Different core materials offer varying levels of fire resistance. Ensure that the chosen panel complies with local building codes and regulations regarding fire safety.

06/

Thickness and Strength
Determine the required thickness of the metal sandwich panel based on structural and insulation needs. Consider the load-bearing requirements and the strength of the panel in relation to your project specifications.

Ultimate FAQ Guide to Metal Sandwich Panel

Q: How long do metal panels last?

A: The average metal roof will last between 40-70 years. Some materials, like copper roofing, will last even longer - with some copper roofs dating back over 100 years.

Q: Is a sandwich panel good?

A: Sandwich panels are one of the most economical insulation solutions, with greater durability, shorter installation time, less need for maintenance and greater capacity for acoustic and thermal insulation.

Q: What are three different types of core used in sandwich panels?

A: Open and closed cell structured foams like polyvinylchloride, polyurethane, polyethylene or polystyrene foams, balsa wood, syntactic foams, and honeycombs are commonly used core materials. Sometimes, the honeycomb structure is filled with other foams for added strength.

Q: Are sandwich panels insulated?

A: Sandwich panels are made of two layers of metal (usually steel or aluminum), with a thick piece of insulation wedged in between. Commercially, they're commonly used in buildings throughout the food and pharmaceutical industries as well as in cold storage warehouses.

Q: Is the sandwich panel fire proof?

A: Anti-fire sandwich panels are made up of two layers of steel or aluminum, with a core of insulation material in between. The insulation material can be made of various materials such as polystyrene, polyurethane, mineral wool or rock wool. What sets these panels apart is their fire-resistant properties.

Q: What are honeycomb sandwich panels made of?

A: Honeycomb sandwich structures are widely used on aircraft flight control surfaces such as rudder, aileron, spoiler, and flap. The facesheet of honeycomb sandwiches are typically thin composite laminates and the interior of the sandwich is mostly honeycomb cell walls made of fiberglass or aluminum.

Q: Can metal sandwich panels reduce noise?

A: Yes. Sound insulation is a must in order to minimize the harmful effects of noise on humans, to leave out the unwanted sounds, and to reduce the sound spreading around from noisy areas. With their mineral wool insulation core and perforated sheet metal surface that lead to sound insulation features, acoustic sandwich panels used on the roof and walls increase productivity by creating healthy and comfortable spaces free from noise and prevent workplace accidents.

Q: What are the applications of metal sandwich panels?

A: The application of sandwich panels is quite extensive in every way. They are used in stadiums, swimming pools, malls, and industrial buildings as they are an effective and economical solution that can prevent external factors from hampering the inside cooling and heating systems of the building. The application of sandwich panels are growing day by day and even extensively applied as home solutions and indeed a good problem solver for military buildings, prefabricated structures, prefabricated rooftop structures, acoustic housing, etc.

Q: What are the core advantages of sandwich panels?

A: Core features of sandwich panels that have produced the rapid growth of their usage, particularly in construction and refrigeration, include:

Thermal Resistance

The use of sandwich panels minimizes thermal bridges through the joints;

Acoustic Insulation

the installation of a system with sandwich panels contributes to reducing the diffusion of noise;

Fire Behavior

Sandwich panels have different fire behaviors, resistance, and reaction, depending on the type of insulation and the metal sheet thickness. The user will need to choose between the different sandwich panel types, depending on the requirements;

Impermeability

The assembly system of sandwich panels helps create air and water-tight buildings.

Q: Is it possible to install a full room of sandwich panels?

A: Of course, we can make a whole room with a sandwich panel, where the types of sandwich panels are divided into two parts, where the first type is concerned with creating walls and partitions, and the second type is directed to building roofs and ceilings of all sizes and shapes, and in order to complete these projects, you must first inspect the place to get to know Exact room dimensions. In order for the results to become suitable for the aspirations of the customers, the selected raw materials must be of a good type, as the concrete base is constructed and built after the surface is level, and the sandwich panels are installed after being cut and moved based on the previous measurements.

Q: What is An IMP?

A: Insulated metal panels or IMPs are versasheet insulated building panels used in a wide range of industries to meet the need of many applications, often being used for refrigerated warehouses. IMPs are manufactured with two steel skins that sandwich an insulated core made from either extruded polystyrene, polyurethane or mineral wool. IMPs are used in interior and exterior applications as they are versasheet and can serve various projects. Insulated metal panels can span further than framed panels making them more suitable for large scale applications such as refrigerated warehouses, food processing and large-scale controlled temperature facilities.

Q: What are the benefits of metal sandwich panels?

A: Sandwich panels are used for thermal-humidity insulation and waterproofing, they can be used as acoustic panels to ensure sound insulation. Acoustic sandwich panels, with their rock wool insulation material and perforated surface, have high acoustic performance and sound absorber feature.

Q: What are the applications of metal sandwich panels?

A: Sandwich panels are used for industrial and residential buildings as well as military, agricultural and prefabricated structures, construction site buildings, and silos.

Q: What are the different metal materials for metal sandwich panels?

A: Steel panels

Steel plates have outstanding durability and longevity, protect against fire, and provide anti-corrosion benefits. They are cost-effective, but not sustainable, since they're made mostly of non-recycled material, and require substantial levels of energy to produce.

Aluminum panels

These panels are lightweight, durable, and contain anticorrosive properties. They are more expensive than steel plates, but are easily recycled. One negative is that aluminum plates tend to dent easily.

Copper panels

Copper has a beautiful appearance, and its unique patina is the reason is chosen for many buildings. Beyond its appealing aesthetic, copper will also last longer and is resistant to corrosion. The negative aspects are that copper is very expensive and requires constant maintenance.

Zinc panels

Using metal panels with zinc is a good option, because they resemble copper visually, but cost significantly less. Zinc has anticorrosive properties and requires little to no maintenance. One negative of using zinc is that it's not as strong as other metals and might require protective coatings.

Corrugated panels

These types of metal wall panels are affordable and lightweight. Their easy installation saves time and cost, however, they are less durable than other options.

Q: What are the different cladding materials used in metal sandwich panels?

A: Sandwich panels are composite materials made by bonding two thin outer skins to a lightweight core. The skins can be made of a variety of materials such as aluminum, steel, fiberglass, or composite materials. The core is typically made of a lightweight material such as foam and honeycomb.

Q: What is the thickness range of metal sandwich panels for roofs?

A: The thickness of the sandwich panel roof is determined by the specific requirements of the building and the intended use of the roof. In general, the thickness of sandwich panel roofs can range from 30mm to 150mm, with common thicknesses falling within the range of 40mm to 100mm.

Q: What is the recommended insulation for metal sandwich panels?

A: Fiberglass is the most popular insulation solution for metal building systems because it provides the lowest installed cost per R-value. With various facing solutions, the fiberglass insulation will result in a durable and attractive finish.

Q: What are the mechanical properties of metal sandwich panels?

A: Sandwich composite structure possesses excellent flexural and shear properties. Their inherent lightweight characteristics make them ideal structural components where weight reduction is desirable. Thus structural sandwich panels are becoming important elements in modern lightweight construction.

Q: Can metal sandwich panels be customized according to specific requirements?

A: Yes. The sandwich panel can be customized in terms of size, thickness and finishes. It also has a low thermal conductivity coefficient, making it an excellent thermal insulator with great durability thanks to the protection of its outer layers, which also make it highly resistant to fire.

Q: Can metal sandwich panels be painted or coated?

A: Yes, metal sandwich panels can be painted or coated to enhance their appearance, provide additional protection, etc. The ability to paint or coat the panels depends on the type of metal skin used and the compatibility with different finishes.

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