ISO 10993-5-2009 Biocompatible
Polyvinylidene fluoride, or polyvinylidene difluoride (PVDF) is a highly non-reactive and pure thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride.
PVDF is a specialty plastic material in the fluoropolymer family; it is used generally in applications requiring the highest purity, strength, and resistance to solvents, acids, bases and heat and low smoke generation during a fire event. Compared to other fluoropolymers, it has an easier melt process because of its relatively low melting point of around 177 °C.
It has a low density (1.78 g/cm3) compared to the other fluoropolymers. It is available as piping products, sheet, tubing, films, plate and an insulator for premium wire. It can be injected, molded or welded and is commonly used in the chemical, semiconductor, medical and defense industries, as well as in lithium ion batteries. It is also available as a crosslinked closed cell foam, used increasingly in aviation and aerospace applications.
Shore hardness: 57-62
print at ± 250ºC (not over 260ºC)
glass bed 100ºC
use elmer’s disappearing purple glue stick
maximize contact area of the part to the bed
print with brim, single layer 10-15mm
layer height 0.1-0.2mm
fan off !
- Large PVDF 3D Prints: print sizes are only limited by machine print volume
- First print layer bonds to PVA-coated glass and remains perfectly flat without using brims or rafts
- Excellent build plate adhesion: no loss of part dimensions due to warping
- No lifting around sharp corners on the printed part
- Fully melt compatible with Fluorinar-H™ filament in multi-extrusion printers
- Rapid prototype development
- Small quantity part production
- Cost-effective part manufacturing compared to machining from solid stock
- CNC machining of printed part for tight tolerance requirements
- Optimal print settings can be achieved on all consumer-grade printers
- No off-gassing during printing due to PVDF melt stability
- Excellent corrosion resistance to most mineral and organic acids, aliphatic and aromatic hydrocarbons, alcohols, halogenated solvents, and oxidizing agents
- No loss of mechanical strength after long-term UV exposure
- 100% Kynar® and 100% PVDF
- Meets ISO-10993-5:2009 cytotoxicity standard for biocompatibility