63450-15-7

CAS Nr.:

63450-15-7

Polyvinyl formal

EINECS Name:

Polyvinyl formal

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EINECS Nr.:

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Vinylec / Formvar

Synonym:

Vinylec / Formvar

Physical Properties of Polyvinyl Formal (PVF)

Polyvinyl Formal, commonly known as PVF and identified by CAS number 63450-15-7, is a thermoplastic polymer with remarkable physical properties. PVF is a white to cream-colored powder or granulate, characterized by its high mechanical strength and good thermal stability. It has a density of about 1.2-1.3 g/cm³ and a melting point in the range of 180-200°C. PVF is resistant to many chemicals, including oils and organic solvents, and offers excellent electrical insulating properties. These attributes make it a valuable material in various industrial applications.

Applications of Polyvinyl Formal (PVF)

One of the primary applications of PVF is in electrical insulation. Due to its excellent dielectric properties and resistance to electrical breakdowns, PVF is commonly used in the production of cable insulations, transformer windings, and capacitor films. These applications benefit from PVF's high temperature resistance and good mechanical stability.

PVF is also used in coatings and paints, especially for applications requiring high chemical resistance and protection against weathering. These coatings provide a durable protective layer for metals and other materials, safeguarding them from corrosion and wear. In the automotive and aerospace industries, PVF is widely used in protective lacquers.

In the adhesive industry, PVF serves as a binder in specialized adhesive formulations. Its ability to create strong and durable bonds is particularly useful in the production of laminates and composite materials. PVF-based adhesives are used in electronics, construction, and packaging industries where reliable and stable bonds are essential.

PVF is utilized in the textile industry for the production of water-repellent and stain-resistant textiles. By coating or impregnating fabrics with PVF, garments and other textile products are enhanced to be more resistant to moisture and dirt. This is particularly beneficial for outdoor clothing and technical textiles.

Polyvinyl Formal (PVF, CAS No. 63450-15-7) is a versatile chemical raw material with excellent physical properties. Its broad applicability ranges from electrical insulation to coatings and paints, adhesives, and textiles. The unique characteristics of PVF make it an indispensable material in many industrial applications. Its high resistance and stability ensure long-term performance and reliability in various use cases.