PVDF: density, print temperature and when to choose it
PVDF (polyvinylidene fluoride) is a fluoropolymer, a close relative of PTFE in chemical resistance, but printable at noticeably more reasonable temperatures. It stands out for exceptional resistance to UV radiation, solvents, and aggressive chemicals, and it's the densest material in this catalog — a PVDF part is noticeably heavier than a PLA or ABS equivalent of the same volume.
Key properties
| Parameter | Value |
|---|---|
| Density | ≈1.78 g/cm³ |
| Nozzle temperature | 220–260°C |
| Bed temperature | 90–110°C |
| Part cooling | moderate |
| Shrinkage | moderate |
| Enclosure required | recommended |
When to use it
- Parts for chemical equipment — pipes, fittings, containers in contact with acids and solvents.
- Outdoor structures and housings that need long-term UV resistance without yellowing or cracking.
- Components handling aggressive liquids in the food and chemical industries.
- Electrical parts where resistance to ozone and weathering matters.
When to pick something else
- Part weight is critical — PVDF is noticeably denser (1.78 g/cm³) than most plastics; PA12 or PC is better for lightweight structures.
- Chemical resistance is needed but not extreme — plain ASA or PETG is cheaper and sufficient against everyday moisture and UV.
- You need heat resistance beyond what PVDF offers — consider PPS for its chemical and temperature resistance.
Pros and cons
Pros: exceptional UV resistance without yellowing or degradation, excellent chemical resistance to acids, alkalis, and most solvents, good mechanical strength and abrasion resistance.
Cons: high density noticeably increases weight and material consumption for a part of the same volume; a fairly high filament price; limited color and manufacturer choice; needs a moderately enclosed chamber for stable printing without warping.
Calculate your price in a minute
Free calculator: part weight, print time, material price — no sign-up needed.
App Store
Google Play
RuStoreHow it affects your print cost
Density of 1.78 g/cm³ — nearly double PLA's — hits your gram-based print cost directly: a part of the same volume consumes noticeably more material, so cost should be calculated by part volume, not just spool price. PVDF's chemical resistance often justifies the premium filament price for aggressive-environment tasks, but for less demanding applications that premium doesn't pay off — cost calculations should explicitly compare against lighter, cheaper alternatives.