- Materials
- Forms
- Reference Materials
-
Services
-
Services
-
-
Sectors
-
Supporting cutting edge research and development with advanced materials to your needs.
High performance materials for extreme conditions.
Innovative and lightweight materials with high mechanical properties and durability.
Materials used in chemical engineering from consumables to innovative solutions.
Advanced materials characterized by high electrical or insulation performance.
High quality materials for renewable energy.
Biocompatible and biodegradable materials to the highest standards.
High purity, biocompatible materials for high performance devices and applications.
High purity metals and alloys in various forms and crucibles suitable to your needs.
State of the art materials for the next generation of technologies.
High performance materials for extreme conditions.
Durable materials for corrosive environments.
Foils, disks or windows across a range of materials to facilitate your innovation.
Polymers, metal foils, and sustainable materials for your packaging needs.
Your requirements for unique products and attributes will be met across our 170,000+ product range and customization capabilities.
High-quality materials across branded products in various forms including rods, wires, and foils support space technology needs.
Highest quality materials to support your need for small-quantity specialist materials such as graphite and lithium compounds.
High purity materials to improve the reproducibility and reliability of your evaporation processes.
-
- Product Ranges
-
Resources
-
Find out our latest news.
Read our latest insights, and opinions.
Discover our Innovation Discovered podcasts on innovation, products, interesting topics, and more.
Find out how we've worked with our partners
Our latest updates on what we are doing, find out more.
Find out more about us and the great roles we have available for talented individuals. Find out more.
Take a look at our global distributors.
Explore our FAQ resource to help answer your key questions.
Gain a clearer picture of the language used in scientific study
-
- About Us
PVF Film
Available Configurations
Properties common to all products in this list
| Size |
|---|
| 10 x 10 mm to 500 x 500 mm |
Need custom configurations? Please contact us.
Key Features
PVF Film (polyvinyl fluoride) is a partially fluorinated thermoplastic film distinguished by exceptional UV and weathering resistance that markedly exceeds most other polymer films:
Exceptional UV and Weathering Resistance Over Decades
Outstanding resistance to UV degradation under prolonged outdoor exposure is the defining property that has established PVF film in durable weathering applications measured in decades rather than years. No other widely available polymer film achieves equivalent outdoor durability at the cost and processability of PVF.
Good Mechanical Strength for a Fluoropolymer Film
Tensile strength of 60–100 MPa and elongation of 80–250% give PVF good mechanical performance for a partially fluorinated film, supporting use as a flexible protective overlaminant in photovoltaic backsheets and architectural facade protection films subject to mechanical stresses during installation and service.
Inherently Low Surface Energy
The inherently low surface energy provides good release behavior and resistance to soiling and staining, supporting the scrubbable surface performance required in aircraft interior cladding and architectural facade protection applications.
Inherent Flame Resistance
A limiting oxygen index of 22.6% provides inherent flame resistance qualifying PVF for aircraft interior cladding panels, where aviation regulatory requirements for interior materials must be met. Upper service temperature reaches 100–107 °C.
Water Absorption Acceptably Low for Outdoor Use
Water absorption of 0.4–0.7% is higher than fully fluorinated grades but remains acceptably low for long-term outdoor weathering applications where moisture exposure is continuous and prolonged.
Industrial Applications
PVF Film is used wherever exceptional UV and weathering resistance over multi-decade outdoor service life is the primary selection criterion, and no other polymer film provides the same durability:
- ✦ Solar Cell Photovoltaic Backsheet Layers
- The established material for solar cell photovoltaic backsheet layers, where weathering durability over module lifetimes exceeding 25 years is a module performance and warranty requirement, and PVF’s outdoor durability exceeds that of all common alternative polymer backsheet films.
- ✦ Aircraft Interior Cladding Panels
- Applied as aircraft interior cladding panels where PVF provides a durable, scrubbable, flame-resistant decorative surface meeting aviation regulatory requirements for interior materials.
- ✦ Architectural Facade Protection and Building Envelope Cladding
- Used as architectural facade protection and building envelope cladding where multi-decade UV and weathering resistance provides long-term aesthetic and protective performance in outdoor exposure.
- ✦ Protective Overlaminates for Exterior Signage and Graphics
- Applied as protective overlaminates for exterior signage and graphics where UV and weathering resistance, low surface energy resistance to soiling, and outdoor durability protect the underlying printed substrate.
- ✦ UV and Weathering Durability Benchmarking and Adhesion Research
- Used for UV and weathering durability benchmarking of polymer films, adhesive bond stability studies between fluoropolymer and substrate layers under outdoor ageing, and as a reference fluoropolymer film for surface energy, wettability, and adhesion improvement investigations.
Material Properties
| Element | Value |
|---|---|
| Dielectric constant @1kHz | 8 |
| Dissipation factor @ 1kHz | 0.04 |
| Dielectric strength( kV mm⁻¹ ) | 20 |
| Volume resistivity( Ohmcm ) | 10¹³ |
| Element | Value |
|---|---|
| Flammability | V0 |
| Refractive index | 1.46 |
| Resistance to Ultra-violet | Excellent |
| Limiting oxygen index( % ) | 35 |
| Water absorption - over 24 hours( % ) | 0.05 |
| Density( gcm⁻³ ) | 1.37-1.39 |
| Element | Value |
|---|---|
| Hardness - Rockwell | D80 - Shore |
| Poisson's ratio | 0.4 |
| Elongation at break( % ) | 90-250 |
| Tensile modulus( GPa ) | 2.1-2.6 |
| Izod impact strength( J m⁻¹ ) | 180 |
| Tensile strength( MPa ) | 55-110 |
| Tear strength( N mm⁻¹ ) | 130-200 (initial) |
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 120 |
| Heat-deflection temperature - 1.8MPa( C ) | 80 |
| Lower working temperature( C ) | -70 |
| Upper working temperature( C ) | 150-200 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1000-1800 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 50-97 |
Tolerances
| Thickness | ±20% | |
|---|---|---|
| Linear dimension | <100mm | ±1mm |
| Linear dimension | >=100mm | +2 / -1% |