Description
What is a PVDF Sheet?
PVDF sheet (Polyvinylidene Fluoride) is a high-performance engineering plastic known for its extreme purity and resistance to harsh chemicals. While the sheet form is widely used for lining tanks and building structures, this fluoropolymer is also available as a PVDF rod for machining solid components and as a PVDF welding rod to join parts together securely. This combination makes it a complete system for industrial fabrication.
Key Properties of PVDF Sheet
Engineers choose this material because it survives in environments where other plastics fail. The most important technical features include:
- Chemical Resistance: It withstands strong acids, oxidants, and solvents without corroding.
- High Temperature Stability: The material maintains its shape and strength in temperatures ranging from -30°C up to +150°C.
- Mechanical Strength: Unlike PTFE, PVDF sheet is rigid and hard, making it resistant to creep under mechanical load.
- UV and Fire Resistance: It is suitable for outdoor use and is self-extinguishing in case of fire (UL 94 V-0).
Common Applications of PVDF Sheet and Rod
Due to its versatile nature, this material is essential in several key industries:
- Chemical Storage: It is used to build or line tanks that hold aggressive fluids like sulfuric acid.
- Semiconductor Manufacturing: Because of its high purity, PVDF sheet is used in cleanrooms and equipment for ultrapure water (UPW) systems.
- Machined Parts: Solid PVDF rods are machined into gears, bolts, and pump housings that require high precision and durability.
How to Weld and Fabricate PVDF Sheet
One of the main advantages of this thermoplastic is its processability. Sheets can be easily cut and formed. For assembly, fabricators use heat welding techniques with a matching PVDF welding rod. This ensures that the welded joints have the same chemical resistance as the main sheet, creating a leak-proof and monolithic structure.
Nordio Plastic: Röchling’s Authorized UAE Supplier
For customers in the United Arab Emirates, Nordio Plastic is the authorized supplier of this material. They source high-quality sheets directly from Röchling in Germany. Note that Röchling refers to this product line as Sustapvdf.
