PVB vs PLA
Compare PVB and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
PVB vs PLA: PVB is known for alcohol smoothing (isopropanol) can fuse layers and create..., while PLA is known for easiest to print. Both have no enclosure requirements. Choose PVB for alcohol smoothing (isopropanol) can fuse layers and create..., or PLA for easiest to print.
Key differences at a glance
PVB
SPPolyvinyl Butyral
Alcohol smoothing (isopropanol) can fuse layers and create a slick surface
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
Detailed Comparison
Green marks the generally easier or more forgiving option in that row, based on tier, enclosure needs, and moisture sensitivity. It is not always the better choice for a specific job, so weigh it against what your project actually needs.
Strengths Comparison
PVB Strengths
- Alcohol smoothing (isopropanol) can fuse layers and create a slick surface
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
PVB Caveats
- Alcohol vapor can fuse the spool itself (example: spool stuck together)
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups