Power Coated Aluminum Sheet

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Powder coated aluminum sheet refers to the aluminum sheet processed by powder spraying process;

Power Coated Aluminum Sheet

  • Alloy: 1000,3000,5000,6000,8000 series
  • Width: 500-2600 mm
  • Length: 500-12000mm
  • Thickness: 0.5mm-300mm
  • Coating thickness: 40um.
  • Certification: GB/T19001-2016/ISO9001:2015

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What is powder coated aluminum sheet

Powder coated aluminum sheet refers to the aluminum sheet processed by powder spraying process;

The purpose is to change the surface of the aluminum sheet, so that the surface has beautiful colors and patterns, and at the same time enhance the weather resistance of the aluminum sheet;

powder coated aluminum sheet

powder coated aluminum sheet

Powder coating process

Powder coating is to spray a powder coating on the surface of aluminum alloy substrate through electrostatic action. The adhesion, weather resistance, peeling resistance, strong UV resistance and dense coating of the coating are incomparable to the surface treatment of general aluminum profiles. The spraying effect is superior to the spraying process in terms of mechanical strength and aging resistance, and the cost is also lower. Under spray paint with the same effect.

According to the spraying raw materials can be divided into

PE: polyurethane, polyurethane resin, epoxy resin, hydroxyl polyester resin and epoxy polyester resin

PVDF: Fluorocarbon coating

Multi-layer painting process

Coating thickness: It can be divided into single coating (4μm-20 μm); double coating (25μm-28 μm); 3 coating (35μm-38μm).

At present, the current situation of Our country powder coated aluminium sheet is that the production capacity of ordinary products is excessive, and the production capacity of high-tech, high-precision and high-quality products is insufficient, which also leads to a large number of imports.

punched powder coated aluminum sheet

punched powder coated aluminum sheet

Features of powder coated aluminum sheet

Features of powder spraying: manual spraying equipment, automatic hanging type, simple construction, coating thickness of more than 30 microns, good impact resistance, abrasion resistance, corrosion resistance, weather resistance, etc., the coating price is cheaper than fluorocarbon .

The biggest disadvantage of powder spraying is: fear of ultraviolet radiation from the sun, long-term exposure will cause natural fading, and the color difference between the sunny side and the non-sunny side of the door and window profiles will be obvious after a few years, usually within 2-5 years.

Powder coating process

Loading → pretreatment (chromizing) → spraying → curing → dropping

Purpose of chromizing: to form a fine and stable chromizing film on the surface of aluminum. This film layer has a certain degree of wear resistance, corrosion resistance and good adsorption capacity, so that the paint can improve its adhesion when it is painted.

powder coating process

powder coating process

Curing: Powder spraying is baked and leveled at high temperature and cured to form a final coating with different effects; in powder spraying, the baking and curing temperature and time of powder coating play a decisive role in the curing performance of the coating film. Therefore, it is necessary to classify the objects to be sprayed reasonably through multiple tests to determine the number and arrangement of the pendants, as well as the corresponding baking and curing temperature and time, in order to ensure the quality of the coated product.

Parameters of powder coating aluminum sheet

Huawei Coat’s Aluminum Powder coated sheet Data Sheet
Item Standard Test Result Remark
Coating thickness ≥40 um ≥40 um
Gloss +/-5 30
Pencil Hardness ≥HB 2H
Impact resistance 50KG.cm no peel off 50KG.cm no peel off
Wear Resistance ≥5L/um 16L/um
Outlook No flow marks, bubbles, inclusions, and other surface defects No flow marks, bubbles, inclusions, and other surface defects
Noise Insulation Factor Noise insulation RW=40dB
Adhesive Force Follow the standard Kriging Grade 0
Chemical Resistance Follow the standard 15 minutes drip no bubbles, no change in appearance Resistant to hydrochloric acid
E=0.48NBS Resistance to nitric acid
No bubbles, no film loss Detergent-resistant

Powder Coating vs Painting

Powder coating of aluminum veneer is to use powder spraying equipment (electrostatic spraying machine) to spray powder coating on the surface of aluminum sheet, and there are many types of powder coating process. Under the action of static electricity, the powder will be evenly adsorbed on the surface of the workpiece to form a powder coating; the powder coating is then baked and leveled at a high temperature to become a final coating with different effects (different types of powder coating effects). The spraying effect of powder spraying is better than that of spraying paint in terms of mechanical strength, adhesion, corrosion resistance, aging resistance, etc. Compared with spraying paint with the same effect, the cost is lower.

powder coated aluminum sheet

powder coated aluminum sheet

Advantages of powder coating compared with traditional painting process:

  • 1. Efficient: one-time film formation, which can increase productivity by 30-40%
  • 2. Energy saving: reduce energy consumption by about 30%
  • 3. Less pollution: No organic solvent volatilization (no harmful gases such as toluene and xylene in paint coatings) powder coating is a new type of solvent-free 100% solid powder coating. It has the characteristics of no solvent, no pollution, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film.
  • 4. High utilization rate of paint: the powder can be reused many times after recycling, and the utilization rate is as high as 95%.
  • 5. Good coating performance: one-time film thickness can reach 50-80μm, and the comprehensive indicators such as adhesion and corrosion resistance are better than those of paint technology.
  • 6. High yield rate: before curing, it can be re-sprayed twice.
  • 7. Many types: There are many types of powder coating processes, and the rare ones are electrostatic powder spraying and dipping. There are three main categories of coatings: thermoplastic powder coatings, PE thermosetting powder coatings, architectural powder coatings, and PVDF fluorocarbon coatings.

Application of powder coated aluminum sheet

Powder coating of aluminum sheets is a common surface coating technique that involves spraying fine powder paint onto the surface of aluminum sheets through a spray gun, and then forming a solid coating during drying and curing. This technique has wide applications in many fields, here are some examples:

Construction and building materials: Powder coated aluminum sheets are commonly used in construction for the coating of exterior walls, window frames, doors, railings and other metal components. This coating provides weather and corrosion resistance, making the building structure more durable.

brown powder coated aluminum sheet

brown powder coated aluminum sheet

Household items: Household items such as furniture, lamps, door handles, etc. are also often used powder coating aluminum sheet technology to endow the products with rich colors and decorative effects.

Automobiles and vehicles: Powder coated aluminum sheets are used for surface coating of body, wheels, frame and other components in automobile manufacturing. This coating provides scratch resistance, corrosion resistance and improved appearance.

Electronic products: Powder coated aluminum sheets are also used on the casing and exterior parts of electronic products, such as computer casings, audio casings, etc., which can protect the equipment and give it a beautiful appearance.

Outdoor facilities: Seats and sunshade structures of outdoor facilities such as parks and squares can also use powder coated aluminum sheet technology to increase the durability and visual appeal of the product.

Industrial equipment: Mechanical equipment, pipelines, storage tanks and other metal components in the industrial field can also be surface coated by powder spraying aluminum sheet technology to prolong service life and improve corrosion resistance.

Sports facilities: sports venues, fitness equipment, etc. can also use powder coated aluminum sheets for surface decoration and protection.

In general, powder coated aluminum sheets are widely used, mainly because they can provide metal surfaces with multiple functions such as durability, beauty, and corrosion resistance, and are suitable for various industries and fields.

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Latest Comments

  • Lee Minhyung Said:
    Dear Sales Manager, I hope this email finds you well. This is Min-Hyung Lee, CEO of Taesan Steel Co., Ltd., an import & export company based in Incheon, South Korea, dealing in steel and aluminum materials. We understand that Henan Huawei Aluminum produces 1100 aluminum coils in H16 temper from 0.2 mm thickness at your mill in Gongyi, Henan. We use mill finish aluminum coil as a substrate for coating in Korea, and are looking for a reliable Chinese mill for regular monthly imports. We would appreciate your quotation for the material below, based on current market prices. 1. Material - Alloy / Temper: A1100 – H16 (A1235 or A1050 acceptable subject to prior approval) - Standard: KS D 6701 or equivalent (JIS H 4000, ASTM B209, GB/T 3880 accepted) - Surface: mill finish (as-rolled), suitable for painting/coating 2. Ordered sizes - 0.45 mm x 1,120 mm x Coil (main size) - 0.60 mm x 1,060 mm x Coil - No minus tolerance on thickness (e.g., actual 0.45 mm or above for the 0.45 mm order) 3. Coil weight: approx. 3-6 MT per coil 4. Quantity: 30-40 MT per month (estimated 360-480 MT per year) 5. Price terms: CIF Incheon Port or Pyeongtaek Port, South Korea, in USD (USD/kg or USD/MT). A formula-based quotation (e.g., SMM ingot price + processing cost) is also acceptable, provided the total is given on a CIF basis (or FOB with ocean freight shown separately). Please include the following in your quotation: 1. Unit price (CIF Incheon or Pyeongtaek, in USD) 2. MOQ per size 3. Lead time (order to shipment) 4. Payment terms 5. Whether the material is DC or CC rolled, and producible thickness/width range for 1xxx alloys 6. Mill information (location, ISO 9001 or other certifications) 7. Sample availability and conditions (we plan a coating trial before regular orders) 8. Confirmation that a Mill Test Certificate (chemical composition and mechanical properties) will be provided with each shipment Our plan is to review your quotation and material specification first, then request samples for a coating trial. If the results are satisfactory, we intend to place regular monthly orders. We are also willing to visit your mill in China in person to see the production line and discuss the details of a long-term partnership. The detailed specification (SPEC-AL-2026-01) is attached for your reference. We look forward to your reply. Best regards, Min-Hyung Lee CEO | Taesan Steel Co., Ltd. Email: [email protected] Tel: 82 10 5048 5768 WeChat: dolf369
  • นฤพนธ์ Said:
    Aluminum 5754 H111 หนา 8 mm กว้าง x ยาว : 4 x 6 ฟุต
  • Alireza Mokhtaryan Said:
    سلام بسیار عالی ،،من از ایران تماس میگیرم فویل طلا ۱۲میکرون عرض ۶۱سانت نیاز داریم حدودا هرماه ۳۵هزار متر
  • yousef Abuatwan Said:
    Dear Sales Team, I hope you are doing well. We are looking to source aluminum products from your company and would appreciate receiving your best quotation for the following: Aluminum Sheets Thickness: 2 mm, 3 mm, 4 mm, and 5 mm Please provide your available standard sheet sizes. Kindly quote the price per sheet and the price per metric ton. Aluminum Coils Thickness: 2 mm, 3 mm, 4 mm, and 5 mm Please provide your available coil widths, standard coil weights, and inner diameter specifications. Kindly quote the price per metric ton. For both sheets and coils, please include: Available alloys (e.g. 1050, 3003, 5052) Temper options Mill finish or other available surface finishes Minimum Order Quantity (MOQ) Production lead time Payment terms Please provide your quotation based on: CIF Jebel Ali Port, UAE (including sea freight), or alternatively provide both FOB China and CIF Jebel Ali Port, UAE prices. If available, please also send: Product catalogue Mill Test Certificate (MTC) sample Photos of the products and packaging. We are interested in establishing a long-term business relationship. Our initial purchase volume is expected to be 100+ metric tons, with the potential for larger and recurring orders if your pricing, quality, and service meet our requirements. Thank you for your time. We look forward to receiving your quotation and hope to build a successful long-term partnership. Best regards, Eng.Yousef
  • 快速 竜 Said:
    アルミハニカムパネルについてお聞きしたいのですが L1500×W700×厚みで曲げに対して200kgg耐えられるには厚みはどのくらいでしょうか ※簡単に言いますと約1000mmの側溝に渡して真ん中で200kg耐えられるかという事になります 又、そのような製品があるようでしたらその重量、価格をおしえていただけますか 現在はコンパネ板を使用してますが腐ると折れてしまい人が側溝に落ちてけがをしてます 出来ましたらメールでお返事をいただけますか
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