Zinc Foil
Main Highlights
- Molecular Weight: 65.38
- Appearance: Shiny silvery-grey metal
- Melting Point: 420 °C
- Boiling Point: 907 °C
- Density: 7.14 g/cm3 (20 °C)
- Solubility in H2O: N/A
- Electrical Resistivity: 59.0 nΩ·m (20 °C)
- Electronegativity: 1.65 Paulings
- Heat of Fusion: 7.32 kJ/mol
- Heat of Vaporization: 115 kJ/mol
- Poisson’s Ratio: 0.25
- Specific Heat: 0.39 J/g·°C (25 °C)
- Thermal Conductivity: 116 W/(m·K)
- Thermal Expansion: 30.2 µm/(m·K) (25 °C)
- Young’s Modulus:108 GPa
Description and Specifications of Zinc Foil
Zinc Foil metal is well known for its exceptional formability, corrosion resistance, and glossy look. Its limitless recyclability and low-impact production processes emphasize its environmentally beneficial qualities. Zinc is also an essential mineral that has several health advantages.
High-purity zinc foil is available in various sizes and thicknesses, making it suitable for research and industrial applications. It is particularly valuable for corrosion protection coatings on steel and is ideal for prototyping, testing, and small—to medium-scale production.
Zinc foil is derived from cast ingots and can be utilized in various specialized processes. It is available in ultra-high purity (99.9+%) for applications such as thermal and electron beam (E-beam) evaporation, low-temperature organic evaporation, and atomic layer deposition (ALD). These processes are especially relevant for fuel cells and solar energy technologies.
Zinc foils range in thickness from 0.003 inches to about 2 mm. Some are rolled down to as thin as 0.001 inches for use in durable coatings, optics, magnetics, and microelectronics. These foils guarantee high quality for various industrial applications and are made using sophisticated purification processes such as sublimation, solid-state procedures, and crystallization.
Features of Zinc Foil
- Resistance to Corrosion: Zinc foil is perfect for protective applications because it is resistant to corrosion. It acts as a sacrificial anode and protects other metals from oxidation.
- Electrical Conductivity: It can be utilized for grounding and as a conductive layer in circuits.
- Ductility and Malleability: This characteristic makes it easy to shape and form without breaking, which is helpful for various uses, such as decoration and packaging. At room temperature, it is brittle; however, it softens when exposed to temperatures between 100°C and 150°C. It becomes brittle again when heated above 200°C.
- Resistance to Chemical: Its resistance to moderate acids and various alkalis increases its applicability in chemical processing and storage settings.
- Compact: It is easier to handle and transport. The automobile and aerospace sectors benefit from this trait.
- Thermal Conductivity: Because of its thermal conductivity, zinc foil can be used in applications that need heat dissipation, which is especially useful in lighting and electronics.
- Non-Toxic: Since zinc is a non-toxic metal, it is a suitable choice for applications involving medical supplies or food packaging.
- Biocompatibility: Wound dressings and other medical supplies can be made with zinc foil without causing negative side effects.
- Properties of Adhesion: Applications like sealing and insulation benefit from its sticky qualities.
- Adaptability: Zinc foil comes in different thicknesses. Customization according to particular application requirements is possible because of flexibility.
- Chemical activeness: At normal temperature, its surface forms a thin, thick layer of basic zinc carbonate, which helps halt further oxidation. It burns with a distinctive blue-green flame and oxidizes at about 225°C.
Applications of Zinc Foil
Zinc foil is widely utilized across various industries. It is primarily employed in thermal spraying to create anticorrosion coatings for structures such as containers, bridges, headframes, storage tanks, electric transmission towers, poles, and traffic equipment. Its excellent electrical conductivity also makes it essential in manufacturing capacitors, metal brackets, nodular cast iron pipes, galvanized steel components, steel cords, and automotive parts.
Zinc’s non-sparking nature makes it suitable for explosion-proof equipment, mainly underground applications. It is also extensively used to produce instrument parts, shells, and coins. Beyond these applications, zinc plays a significant role in industries such as rubber, paint, enamel, medicine, printing, and fiber manufacturing, owing to its versatile chemical properties.
How to use zinc foil?
- To ensure a proper fit, cut zinc foil sheets to the exact size needed, ensuring smooth edges.
- Properly clean the surface to remove moisture, oil, or dust to ensure correct adherence.
- Remove the liner and press the foil firmly against the prepared surface to remove wrinkles or air pockets from the adhesive-backed foil.
- Solder zinc foil pieces or join them to other metals while maintaining proper temperature control to prevent damage in metalworking.
- After installation, if required, apply a sealer or protective coating to increase longevity and prevent corrosion.
Safety Guidelines
- Keep in a dry, cold, and well-ventilated area in locations where dust is likely to form.
- To avoid contamination or deterioration, make sure containers stay properly closed.
- Wear PPE appropriate for the concentration and possible risks of the item, such as gloves, safety eyewear, and protective clothes.
- If exposed, walk to fresh air to avoid inhaling. Thoroughly rinse with water to reduce adverse effects of skin or eye contact.
- Ensure hands are thoroughly cleaned after handling contaminated goods or residues, and dispose of them following local laws.
Why Choose Us?
Premium zinc foil sheets and related products are the focus of Techinstro, a well-known brand in the chemical industry. Our reputation is built as a manufacturer and supplier of exceptional quality at a reasonable price. Our skilled personnel guarantee that every product meets quality standards, and our flexible offers allow consumers to customize purchases to meet their specific needs. Our happiness lies in ensuring that orders are delivered on time. Working with a dependable industry leader known for precision and excellence in cutting-edge chemical products is what choosing Techinstro means.