- Standard: ASTM B209, GB/T 3880, EN AW etc
- Certifications: CE, ISO, SGS etc
- Shipping methods: Express, sea freight, air cargo, land transportation, postal etc
- Sample service: we can provide samples, and the samples are free.
What are the two types of aluminum anodizing?
There are two main types of aluminum anodizing: sulfuric acid electrolytic oxidation and hard anodizing.
Sulfuric acid electrolytic oxidation is a conventional anodic oxidation method, which uses sulfuric acid as the electrolyte to form an oxide film on the surface of aluminum by means of electricity. This oxide film has certain protective and decorative properties and can improve the corrosion resistance and aesthetics of the aluminum surface.
Hard anodizing is a special anodizing method that usually uses a mixture of sulfuric acid and an oxidizing agent as the electrolyte. In this process, the oxide film formed is harder and more wear-resistant than sulfuric acid electrolytic oxidation, while having higher density and better corrosion resistance. The hard anodized film also has certain insulation and conductivity, so it is often used in high-end applications in the fields of electronics, machinery, and aviation.
Hard anodized aluminum sheet
Alloy parameters of anodized Aluminum sheet
| Aluminum alloy grade: | 1050, 1060, 1100, 3003, 3004, 3005, 5052, 5083, 5754 6061, 6063, 6082 |
| Aluminum status: | O, H12, H14, H16, H18, H22, H24, H26, H32, H34, H36, H38 and other different states. |
| Thickness and Width: | The thickness of the anodized aluminum sheet is usually between 0.2-5mm, and the width also has a certain range. |
| Oxide film thickness: | Usually, the oxide film thickness of sulfuric acid electrolytic alumina sheet is between 5-25 microns, while the oxide film thickness of hard anodized aluminum sheet can reach more than 50 microns. |
| Surface treatment: | There are usually different treatments such as matte, semi-gloss and high-gloss to meet different appearance and texture requirements. |
anodized aluminum sheet hot selling prodsuct size
- 14 anodized aluminum sheet
- 1/4 anodized aluminum sheet
- anodized aluminum sheet 1/4
- 125 black anodized aluminum sheet
- .125 black anodized aluminum sheet
- 1/8 black anodized aluminum sheet
- 1/4 black anodized aluminum sheet
- anodized aluminum sheet 4×8
What are the anodized aluminum sheet colors?
- black anodized aluminum sheet
- red anodized aluminum sheet
- blank anodized aluminum sheets
- black anodized aluminum sheet
- blue anodized aluminum sheet
- white anodized aluminum sheet
- clear anodized aluminum sheet
- gold anodized aluminum sheet
Is anodized Aluminum better than stainless steel?
Anodized aluminum is a surface treatment technology that soaks aluminum prodsucts in an electrolyte and forms a layer of aluminum oxide film through the action of electric current. Aluminum oxide film has strong corrosion resistance, wear resistance, insulation and decoration, so it is widely used in electronics, construction, automobile, aerospace and other fields.
Stainless steel is an alloy steel consisting of elements such as iron, chromium, and nickel. It has high corrosion resistance and strength, so it is widely used in the manufacture of various chemical, medical, food processing, and construction materials.
Stainless steel may be more suitable if high corrosion resistance and strength are required, while anodized aluminum may be more suitable if surface decoration and insulation are required. Therefore, the selection of appropriate materials should be evaluated and compared according to specific needs.
black anodized aluminum sheet for laser engraving
Is anodized aluminum safe to eat from?
In general, anodized aluminum is not edible.
Although anodizing can enhance the corrosion resistance, hardness, and aesthetics of aluminum prodsucts, a layer of the aluminum oxide film is usually formed on the surface of aluminum prodsucts after treatment. Although the aluminum oxide film itself is non-toxic, in some cases the aluminum oxide film can be damaged, allowing aluminum ions to be released. Excessive accumulation of aluminum ions in the human body may cause adverse health effects, such as damage to the central nervous system and skeletal system.
Therefore, anodized aluminum prodsucts are generally not recommended for food processing and food containers. If you need to use aluminum prodsucts to process and store food, it is recommended to choose food-grade aluminum prodsucts that meet the relevant national standards to ensure safety.
Aluminum sheet manufacturers near me
Henan Signi Aluminum Co., Ltd. is the leader of many aluminum manufactures and suppliers in China. We strictly control the quality and focus on customers. We hope to have in-depth cooperation with you and provide you with high quality aluminum material prodsucts custom OEM services. If you want to get the newest and best prices by per kg ( kilogram ) or per ton standard weight, please contact us.
Aluminum sheet sheet standard export packing
- The aluminum sheet is paperclip or laminated to ensure that the surface of the aluminum sheet is intact and free of scratches;
- Plastic film ( HDPE, PVC, PE or PET etc ) protection or hard kraft paper wrapping is used to prevent moisture and rain to ensure that the aluminum sheet is clean and free of dirt during transportation (each package has a moisture-proof desiccant to ensure the quality of our prodsucts in East China and South China, where there is more rain);
- Installed with wooden brackets and reinforced with steel straps to avoid collision during transportation and to ensure the geometry of the aluminum sheet remains unchanged;
- For export prodsucts, we use wooden boxes and pallets with fumigation mark for packaging;
- We can also pack according to other packaging requirements of customers;