Building Materials

Ceiling Board 1. Introduction Kam Chung ceiling board is made of calcium silicate board in size 595*595mm or 603*603mm. It comes with a harmless coating on surface and selectable patterns. Due to the advantages of calcium silicate board, it’s good against moisture and heat and insects, thus an ideal replacement of gypsum board. Furthermore, it’s easy to install and helps to reduce labor cost. 2. Application Kam Chung ceiling board can be applied to office, apartment, villa, super market, workshop, hospital, school etc. For one thing, it is used as false ceiling to make a place look better. For another, it is applied to keep away heat and save energy. Generally speaking, it’s a green and durable building material. 3. Specifications Size (mm) 595*595, 603*603, Thickness (mm) 4 –10 Moisture content (%) ≤10 Density (g/cm3) 1.15-1.4 Wet Expansion Rate(%) 0.25 Thermal Conductivity (W/m•K） ≤0.30 Non- combustibility GB 8624-2006 Class A 4. Advantages (1). Fireproof (2). Insect-free (3). No-denting (4). Long lifespan (5). Moisture proof (6). Energy-saving (7). Easy installation (8). Environment-friendly 5. Installation Processes for False Ceiling (1). Draw lines on ceiling according to construction plan, and install hanging bars. (2). Install main keels by following sequences. (a) Use size UC50 or U38 steels as main keels and the distance between two keels is 1200mm. (b) Hangers must be installed on main keels and fasten by screws. If the main keel is not long enough, there must be a overlap on the joint point with a hanger clip. (c) Remember to check the leveling all the time. (d).It is required to use T-shape reinforced sub keel when installation is near lamp and ventilation outlet. (e) After installation of edge keel, check leveling of the whole system again. Adjust the edge keels first, and then the sub keels in accordance with them. If it is necessary you can adjust the main keel. (f). Choose appropriate size and thickness of ceiling board as per design. Normally we use 603*603*6mm. White gloves are recommended when installing the boards to avoid spots and dust.

Minimum Order: 666

Gypsum board Main Features 1.Environmental friendly, no asbestos 2.Non-combustible 3.Strong nail holding power 4.Heat & sound insulation 5.Smoothness ceiling board 6.Light weight in unit acreage Application: ceiling, wall panel etc Varieties: Normal paper-faced gypsum board Fire-rated gypsum board Moisture-proof gypsum board Size: 1200*2400mm; 1220*2440mm; thickness: 7-15mm Lead time: 7-15 days Characteristics Item Standard Value Test Value Density (kg/m2) - Thickness Regular Fire Resistant Water Resistant <9.5kg/m2 9.5mm 7.5 7.5 9.2 <12kg/m2 12mm 9.5 9.5 11.5 Flexural Strength(N) Parallel >360 9.5mm 560 >500 12mm 700 Cross >140 9.5mm 180 >180 12mm 240 Surface Paper Sticking the Core Material Unexposed Unexposed Stability (min) Fire Resistant >20 / / >20 / Water Absorption (%) Water Resistant 10 9.5mm / / 6.8 12mm / / 4.2 Radioactivity Internal IRa≤1.0 <0.1 External Ir≤1.3 <0.1 Note Executive Standard:GB/T 9775-2008

Minimum Order: 666

We are SINCERELY looking for agents of fiber cement board, calcium silicate board and gypsum board around the world. We will provide you good price and good quality products and together seize the market. Win-win and long-term cooperation is our motto. If you share the same idea; if you are not satisfied with present supplier; if you had a bad cooperation experience; if you are not happy with the present offer, or if you are struggling with local market or competitor, we are the one you should contact with.

Minimum Order: 666

1150 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1150 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

1180 type/thickness 50 75 100 Guaranteed quality and quantity High-quality production according to order Superb production technology Efficient service system 8000 square meters digital factory 20 years old factory Complete after-sales service.

Minimum Order: 10 long tons

Perforated Aluminum Sheet: The Versatile Decorative Material of Modern Architecture 1. Definition and Material Characteristics Perforated aluminum sheet is a metal sheet made of aluminum alloy, formed with regular or irregular holes through CNC punching technology. Common hole shapes include round holes, square holes, and diamond-shaped holes. It is lightweight (with a density about one-third that of steel), corrosion- resistant, fireproof, moisture-proof, and recyclable, aligning with green building concepts. 2. Core Advantages Ventilation and Heat Dissipation: The hole design ensures air circulation, suitable for air conditioner locations and equipment protective covers that require heat dissipation, effectively prolonging equipment life. Sound Absorption and Noise Reduction: By adjusting the hole diameter and arrangement density, it can be used as a sound-absorbing wall panel or ceiling, suitable for theaters, office buildings, and other acoustically sensitive spaces. Aesthetics and Design Sense: The metallic texture combined with the light and shadow effects of the holes gives the building facade a dynamic layer of depth. Examples include Zaha Hadid's curved curtain walls and the wavy exterior of the Munch Museum in Norway. Durability and Maintenance: Surface treatment processes (such as fluorocarbon coating and film covering) enhance UV resistance and weather resistance, with an outdoor service life of up to 20 years, and are easy to clean. 3. Application Scenarios Building Facades: As curtain wall material, it has both sunshade and decorative functions. For example, the Hongkou District project in Shanghai used 1.0mm perforated aluminum sheets to achieve a lightweight design. Indoor Decoration: Used for ceilings and partitions, such as aluminum ceiling panels that are resistant to smoke and moisture, suitable for kitchens and bathrooms. Functional Structures: Such as computer room sound-absorbing panels and shopping mall signage decorative panels, with customizable hole diameters to meet light transmittance and breathability requirements. 4. Price and Purchase Suggestions Market prices vary depending on thickness (0.5mm-3.0mm), hole complexity, and order quantity, with conventional product unit prices ranging from about 20 to 300 yuan per square meter. When purchasing, consider the following: - Material Certification: Give priority to pure aluminum or high-quality alloys to ensure corrosion resistance; - Processing Standards: Check if the punched edges are smooth to avoid burrs that could affect safety; - Customization Services: For large projects, contact manufacturers (such as Shanghai Mai Shi and Dali Aluminum Composite Panel) to customize hole diameters and patterns as needed.

Minimum Order: 1 bags

Perforated sheet metal: the material of choice for modern construction and decoration Perforated metal plate, as a kind of metal material products after special processing, has been widely used in the field of modern architecture and decoration because of its unique hole design and various material choices. This paper will introduce the perforated metal plate in detail from the aspects of material, mesh specification, size, characteristics and application. First, material selection Perforated metal plate is mainly based on various metal plates, such as stainless steel plate, aluminum plate, iron plate, copper plate, etc. Among them, aluminum alloy plate has become the most used material in building skin because of its light material, good chemical stability, beautiful shape and other characteristics. Stainless steel plates, because of their high strength and corrosion resistance, perform well in situations where large loads or harsh environments are required. Second, mesh specifications and dimensions Perforated metal plate mesh specifications are diverse, the aperture size can range from 0.2mm to 100mm, the common aperture is 2mm, 4mm, 6mm, 8mm, 10mm and so on. These specifications of perforated panels are suitable for both interior decoration and outdoor construction. At the same time, the size of the perforated metal plate can also be customized according to actual needs, common plate sizes are 1000*2000mm, 1200*1200mm, 1500*1500mm, etc., special sizes can also be customized. Iii. Characteristics Excellent process: perforated metal plates are made of advanced CNC machinery for precise drilling or laser cutting technology, with high surface finish and a variety of pass shapes. High strength and durability: Due to the use of high-quality metal materials, it has good strength and corrosion resistance performance. Optimized air flow: The porous structure facilitates air flow and is suitable for components such as filters or air deflectors in various ventilation systems. Good sound absorption and sound insulation: the porous structure helps to absorb sound wave energy, thereby reducing the efficiency of noise transmission. High degree of customization: Different specifications and patterns can be customized according to different needs to meet individual requirements. Iv. Application Perforated metal plates are widely used in the field of construction. It can be used as a building skin, through the density of holes, the size of the aperture, the concave and convex of the board to form different building skin effects, enhance the overall sense and beauty of the building. At the same time, it can also be used as a sunshade, curtain wall insulation filler. In addition, in garden landscape design, perforated metal plates are also often used as decorative parts such as walls and gallery frames, creating a stylish and modern aesthetic feeling. In summary, perforated metal plate with its unique material, diverse mesh specifications and sizes, excellent characteristics and a wide range of applications, has become the preferred material in the field of modern architecture and decoration.

Minimum Order: 1 bags

Introduction to Stainless Steel Perforated Sheets Stainless steel perforated sheets are a versatile and essential component in various industries, known for their durability, aesthetic appeal, and functional efficiency. These sheets are widely used in architectural decoration, industrial filtration, ventilation systems, and many other applications. This comprehensive guide delves into the key aspects of stainless steel perforated sheets, including their material composition, thickness specifications, hole patterns, hole sizes, sheet dimensions, and performance characteristics. Material Composition Stainless steel perforated sheets are primarily made from high-quality stainless steel, which is an alloy composed mainly of iron, with significant amounts of chromium and nickel. The most common types of stainless steel used for perforated sheets include: 1. 304 Stainless Steel: Also known as 18/8 stainless steel, it contains 18% chromium and 8% nickel. It offers excellent corrosion resistance, formability, and durability. 304 stainless steel is ideal for most architectural and industrial applications where moderate strength and corrosion resistance are required. 2. 316 Stainless Steel: This type contains 16% chromium, 10% nickel, and 2% molybdenum. The addition of molybdenum enhances its resistance to chemical attacks and high temperatures, making it suitable for more demanding environments such as marine applications and chemical processing industries. 3. 430 Stainless Steel: It has a lower nickel content (about 8%) compared to 304 and 316 stainless steels. While it is less corrosion-resistant than the other two grades, it is more magnetic and offers good oxidation resistance. It is often used in decorative applications where aesthetic appeal is crucial. Thickness Specifications Stainless steel perforated sheets come in a wide range of thicknesses to suit different applications. The thickness can significantly affect the sheet's strength, weight, and cost. Common thickness specifications include: - Light-Duty Applications: Thickness ranging from 0.5 mm to 1 mm is suitable for decorative purposes, signage, and lightweight structural components. - Medium-Duty Applications: Thickness between 1 mm to 3 mm is ideal for architectural facades, moderate load-bearing structures, and general industrial use. - Heavy-Duty Applications: For applications requiring high strength and durability, such as heavy machinery guards or industrial filtration systems, thicknesses ranging from 3 mm to 6 mm or more are recommended. Hole Patterns The hole patterns on stainless steel perforated sheets play a crucial role in determining their functionality and aesthetic appeal. Common hole patterns include: 1. Round Holes: The most common pattern, round holes provide a balanced distribution of strength and open area. They are suitable for applications requiring uniform airflow or light transmission. 2. Square Holes: Square holes offer a more angular look compared to round holes and are often used for decorative purposes or when a more structured appearance is desired. 3. Slotted Holes: Slotted holes consist of long, narrow openings that can be arranged linearly or staggered. They are ideal for applications requiring directional airflow or filtration. 4. Hexagonal Holes: These holes provide a unique aesthetic while maintaining good strength characteristics. They are often used in architectural applications where visual appeal is important. 5. Decorative Holes: Custom hole patterns can be created to match specific design requirements, making stainless steel perforated sheets a popular choice for architectural facades and interior design elements. Hole Sizes The size of the holes in stainless steel perforated sheets can vary widely depending on the intended application and the desired performance characteristics. Common hole sizes range from as small as 0.5 mm to as large as 25 mm or more. The choice of hole size depends on factors such as: - Airflow or Light Transmission: Larger holes allow for greater airflow or light penetration, making them suitable for ventilation systems or decorative lighting applications. - Structural Integrity: Smaller holes provide better strength and rigidity, making them ideal for load-bearing applications or security purposes. - Filtration Efficiency: In industrial filtration applications, the hole size must be carefully chosen to effectively capture particles while maintaining adequate flow rates.

Minimum Order: 5 dozens