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Corrosion-resistant High-strength SGP Board

We are a specialized manufacturer supplying corrosion-resistant high-strength SGP boards, combining PCGI sheets and 12mm gypsum cores. Our panels deliver integrated fire resistance, sound insulation and heat preservation, with customizable PE/PVDF/antistatic coatings. Easy to install with keel systems, they are perfect for office buildings, electronic factories and hospitals, ensuring long service life and flat surfaces.

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Understanding SGP Board


The SGP Board is a innovative composite building panel designed for modern construction projects that demand integrated performance of fire resistance, sound insulation, heat preservation, and structural strength. Different from traditional single-material panels, it combines the advantages of PCGI sheet and gypsum board, creating a versatile solution for both interior and exterior building applications. Its unique structural design not only ensures excellent performance but also simplifies the installation process, reducing construction time and labor costs. As a high-quality building material, it has gained wide recognition in the construction industry for its flat surface, corrosion resistance, and long service life, becoming a go-to option for projects pursuing high efficiency and reliability.

Corrosion-resistant High-strength SGP Board

Core Material & Structural Design


Surface Layer

The surface of the SGP Board is made of PCGI sheet, a high-performance coated steel sheet with excellent corrosion resistance. The surface coating options include PE, PVDF, and antistatic paint, which provide long-term protection against oxidation, rust, and chemical corrosion.


Core Material

The board is built with a 12mm thick gypsum board as the inner core. The gypsum core is the key to the board’s fire resistance and heat preservation performance, as gypsum has the characteristics of non-combustibility and heat insulation.


Structural Layout

According to installation requirements, the SGP Board is designed with two bends along the long side and the end. The crimping between adjacent boards coincides perfectly, and the entire panel is fixed on the keel system with self-tapping screws. The gaps between boards are filled with silicone sealant, ensuring the flatness of the wall or roof surface and enhancing the overall sealing performance of the building envelope.


Key Specifications


Specification Item

Parameter Details

Core Gypsum Board Thickness

12 mm

Surface Coating Options

PE, PVDF, Antistatic Paint

Installation Method

Self-tapping Screws + Keel System + Silicone Sealing

Core Performance

Fire Resistance, Sound Insulation, Heat Preservation


Customization Service


To cater to the specific needs of various construction projects, we provide flexible customization services for SGP Board:

Coating Customization: Customers can choose from different types of surface coatings according to the project’s environmental conditions and functional requirements. Antistatic coatings are ideal for electronic factories and cleanrooms, while PVDF coatings are suitable for outdoor applications with strong ultraviolet radiation.

Bending Customization: The number and angle of bends on the long side and end of the board can be customized based on the installation design of the keel system, ensuring a perfect fit with the building structure.

Size Customization: We can produce SGP Boards of different lengths and widths according to the project’s on-site dimensions, reducing waste and improving the utilization rate of materials.


Superior Performance & Quality Standard


Corrosion & Oxidation Resistance

The PCGI sheet surface with specialized coatings provides excellent protection against corrosion, oxidation, and rust. This extends the service life of the board, especially in humid, coastal, or industrial environments with high levels of corrosive gases.


Integrated Performance

The combination of PCGI sheet and gypsum core enables the board to achieve balanced performance in fire resistance, sound insulation, and heat preservation. It can effectively block the spread of fire, reduce the transmission of noise between rooms, and maintain a stable indoor temperature, thus saving energy consumption of air conditioning and heating systems.


Surface Flatness

The precise machine processing and silicone sealing between boards ensure a smooth and flat surface of the SGP Board. It does not require additional plastering and leveling processes, which shortens the construction period and reduces the overall project cost.


Quality Assurance

Our SGP Board strictly complies with national and industry construction material standards. Each product is subject to strict quality testing, including coating adhesion testing, fire resistance testing, and sound insulation testing, to ensure that it meets the performance requirements of different application scenarios.


Ideal Applications


Commercial Buildings

The SGP Board is widely used in office buildings, shopping malls, and hotels. Its flat surface and diverse coating options can meet the aesthetic requirements of commercial spaces, while its sound insulation and heat preservation performance can create a comfortable indoor environment for customers and employees.


Industrial & Cleanroom Projects

For electronic factories, pharmaceutical cleanrooms, and food processing plants. The antistatic coating option can prevent static electricity from damaging electronic components, and the fire resistance and sound insulation performance can meet the strict safety and environmental requirements of these industries.


Public & Institutional Buildings

The board is also suitable for hospitals, schools, and gymnasiums. Its fire resistance ensures the safety of personnel in public places, and its heat preservation performance helps reduce the energy consumption of public buildings, in line with the concept of green and low-carbon construction.


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Sichuan Yanxin is a high technology joint stock company, dedicated to the manufacture, new equipment/material research and application of clean room systems...

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