What Are Uses of White Aluminum Strips
In the field of industrial materials, the white aluminum strip is becoming the "new favorite" of industries such as construction, electronics, and automobiles due to their unique combination of properties.
1. Construction and decoration
In the field of building curtain walls, anodized 6061 white aluminum strips have become the mainstream choice.Its fluorocarbon coating (PVDF) not only fulfills the promise of not fading for 25 years, but also improves weather resistance through the microporous structure of the anodized film.
In the field of thermal insulation, 3003 alloy aluminum strip is widely used for desulfurization flues in power plants and pipe cladding in nuclear power plants due to its excellent thermal insulation performance. After replacing traditional stainless steel materials, the weight is reduced by 60% and the cost is reduced by 40%.
2. Electronics and electrical
Electronic radiators are an important application scenario for white aluminum strips. After rolling to a thickness of 0.2mm, 3003 alloy aluminum strip is anodized to form a 20μm thick oxide film, with a thermal conductivity of up to 150W/(m・K), while meeting the UL94 V-0 flame retardant standard.
In addition, the application of 1060 pure aluminum strip in the cable shielding layer controls the contact resistance below 0.05Ω through the electroplating tin-nickel alloy process, effectively improving the stability of signal transmission.
3. Automobile Manufacturing
The demand for lightweight new energy vehicles has driven the innovative application of white aluminum strips. After semi-hard (H24) treatment, 5052 alloy aluminum strips are used for battery pack shells, and their tensile strength reaches 230MPa.
In the field of automotive interiors, 3004 alloy aluminum strips are brushed and anodized to form a hairline texture on the surface, with a scratch resistance of 4H, and have been used in the central control panel of high-end models.
4. Packaging and consumer goods
The food packaging industry has strict requirements on the hygiene of white aluminum strips. After 0.15mm ultra-thin rolling, 1100 small aluminum strips are used to seal the tops of milk powder cans. The surface roughness Ra≤0.8μm ensures welding sealing.
The specifications of white aluminum strip directly affect its application performance. The following is a technical interpretation of key indicators:
1. Geometric dimensions
Thickness: 0.03-12mm, tolerance controlled at ±0.01mm (ultra-thin strip) to ±0.1mm (thick strip)
Width: Conventional 100-2000mm, stripping accuracy ±0.1mm
Length: Coil length can reach 5000 meters, fixed length accuracy ±2mm
2. Surface treatment
Anodizing: film thickness 5-25μm, salt spray test > 500 hours (ISO 9227)
Powder spraying: coating thickness 60-80μm, gloss 80±5GU (60° angle)
Electroplating: tin-nickel alloy coating thickness 0.5-2μm, adhesion > 5N/cm (ASTM D3359)
3. Mechanical properties
Hardness: O state HV25-35, H24 state HV60-70, T6 state HV90-110
Tensile strength: 1060 alloy ≤110MPa, 6061-T6 ≥275MPa
Elongation: 5052-H32 ≥12%, 3003-H24 ≥6%
Original source: https://www.aluminumstrip24.com/news/what-are-uses-of-white-aluminum-strips.html
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