Pure titanium foil, commonly known as high-purity titanium foil, is a high-purity titanium metal material with high chemical corrosion resistance and a high-strength, low-density metal material.

The main component of high-purity titanium foil is titanium, with a purity of over 99.5%. The commonly used preparation methods include heat treatment, cold spinning, chemical etching, etc. Pure titanium strip is usually silvery white, has good plasticity and weldability, so it is widely used in aerospace, chemical industry, electronics, medical treatment, and other fields. The common thickness of it is about 0.01 mm~0.1 mm.

1. Physical properties

Density: 4.51 g/cm3.
Melting point: 1,660°C.
Thermal conductivity: 15.6 W/(m·K).
Conductivity: 17.0 × 106(Ω·m)-1.
Elastic modulus: 110-120 GPa.
Solid solution strength: about 550MPa.
Hardness (HB): 140 HB.
Magnetic: Non-magnetic.

2. Chemical properties

Strong corrosion resistance.
Not attacked by common acids, alkalis, salt solutions and organic solvents.
It can stably react with oxides at high temperature.
It does not produce impurities such as iron and aluminum, and does not pollute the processed items.
Can be coated with alumina to enhance its wear resistance.

Grade	Gr1	Gr2	Gr3	Gr4	Gr5	Gr7	Gr9	Gr12
N	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03
C	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.08
H	0.015	0.015	0.015	0.015	0.015	0.015	0.015	0.015
Fe	0.2	0.3	0.3	0.5	0.4	0.3	0.25	0.3
O	0.18	0.25	0.35	0.4	0.2	0.25	0.15	0.25
Al					5.5~6.75		2.5~3.5
V					3.5~4.5		2.0~3.0
Pa						0.12~0.25
Mo								0.2~0.4
Ni								0.6~0.9
Ti	balance	balance	balance	balance	balance	balance	balance	balance

3. Production Process

The production process of pure titanium foil is as follows:

Preparation of pure titanium raw materials: through smelting and purification technology, high-purity pure titanium raw materials are extracted from natural ores.
Stretching or rolling: use a steel rolling mill to process pure titanium raw materials into billets of appropriate size, and then perform different degrees of rolling and stretching to form pure titanium thin strips.
Electric discharge cutting: According to the processing requirements, use an electric discharge cutting machine to cut the pure titanium strip into the required size.
Surface treatment: through surface treatment techniques such as pickling and polishing, the surface of the pure titanium strip is smooth, without edges and corners, and does not react with other substances.
Inspection and packaging: Strict quality inspection is carried out on the pure titanium strip, and it is packed into a suitable standard package.

The above is the production process for preparing pure titanium strips.

Pure titanium foil supplier

4. Working Principle

Pure titanium foil is a thin sheet of material, its main use is as electrodes, wires, and substrates in electronic, chemical, and medical equipment. How it works depends on its use in a particular application.

In electronic applications, pure titanium strip is often used as electrodes or wires for passing electric current. In this case, it works by passing electrons around to complete circuits. In chemical applications, high-purity titanium foils can be used as catalysts or substrates for reactors, which come into contact with chemical reactants and help the reactants to decompose or synthesize into different compounds. In medical equipment, it can be used as a material for artificial joints, dental implants, and other human tissue substitutes for support and reinforcement.

To sum up, the working principle of pure titanium strips depends on its specific use in specific applications.

5. Application Fields

Pure titanium foil is mainly used in the manufacture of chemical equipment, medical equipment, aerospace equipment and electronic products in many fields, including the following applications:

Chemical equipment: It has excellent corrosion resistance and is usually used in the chemical industry to manufacture equipment such as reactors, heat exchangers, pickling tanks, and storage tanks.
Medical equipment: It has good biocompatibility and is not easily rejected by the human immune system. It is widely used in the manufacture of medical equipment such as artificial joints, dental implants, and cardiac pacemakers.
Aerospace equipment: It has good mechanical properties and high-temperature performance, and can be used to manufacture various parts of aero-engine blades, spacecraft shells, missiles, and rockets.
Electronic products: The application of pure titanium strips in electronic products is mainly as an electrode material, mainly used in the manufacture of capacitors, batteries, and other electronic devices.