Poly(vinylidene fluoride)
Poly(vinylidene fluoride) (PVDF), CAS 24937-79-9, is a hydrophobic fluoropolymer known for its excellent chemical resistance, thermal stability, and unique piezoelectric and ferroelectric properties. Supplied as beads or pellets, it has an average molecular weight of approximately 71,000 (Mn) and 180,000 (Mw). PVDF is extensively utilised in demanding applications including coatings, filtration membranes, and components for chemical processing equipment.
- Synonyms
- Poly(vinylidene fluoride)PVDF
Chemical Processing Components
PVDF is fabricated into pump parts, linings, and valves due to its outstanding resistance to a wide range of aggressive chemicals and solvents.
Filtration Membranes
Its inherent hydrophobicity and chemical inertness make it suitable for producing robust filtration membranes used in various separation processes.
Protective Coatings
PVDF is applied as a high-performance coating, offering excellent weatherability, UV resistance, and protection against corrosive environments.
Film and Linings
The material is formed into films and used as linings for instruments and equipment requiring a durable, chemically resistant barrier.
| Linear formula | (CH2CF2)n |
|---|---|
| Form | beads or pellets |
| Density | 1.78 g/mL at 25 °C |
| Refractive index | n20/D 1.42 |
| Solubility | some polar solvents such as organic esters and amines: soluble |
| Vapour pressure | 15 mmHg (32 °C) |
| Application | Coatings, film, filter cloth, instrument linings, filtration membranes, pump parts and linings and valves. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | average Mn ~71,000average Mw ~180,000 by GPC |
|---|---|
| Dielectric Constant | 8.0-9.5, 100 Hz (ASTM D 150) |
| Transition Temp | brittleness temperature -62 °C (ASTM D 746)Tm 155-165 °C |
| Hardness | 76-80 (Shore D, ASTM D 2240) |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(vinylidene fluoride) (PVDF) used for?
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Poly(vinylidene fluoride) (PVDF) is used in applications such as coatings, film, filter cloth, instrument linings, filtration membranes, and pump parts and linings, owing to its chemical resistance and unique properties.
What is the CAS number and formula for Poly(vinylidene fluoride)?
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The CAS number for Poly(vinylidene fluoride) is 24937-79-9, and its linear formula is (CH₂CF₂)n.
What grade and purity does Tech Serve Solutions supply for Poly(vinylidene fluoride)?
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Tech Serve Solutions supplies Poly(vinylidene fluoride) as beads or pellets with an average Mn of ~71,000 and Mw of ~180,000. TSS does not represent this product as USP, BP, or EP grade.
How should Poly(vinylidene fluoride) be handled safely?
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When handling Poly(vinylidene fluoride), it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. The WGK Germany is 3.
How is Poly(vinylidene fluoride) packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Poly(vinylidene fluoride), ensuring appropriate packaging for safe transit.
How can I request a quote or sample for Poly(vinylidene fluoride)?
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To request a quote or sample of Poly(vinylidene fluoride), please contact our sales team via the website or your usual representative.
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