Silk PLA vs TPU
Compare Silk PLA and TPU filaments side-by-side so you can pick the right one for your 3D printing project.
Silk PLA vs TPU: Silk PLA is known for very shiny for show pieces, while TPU is known for excellent layer adhesion. Both have no enclosure requirements; Silk PLA is less moisture-sensitive; TPU prints at higher nozzle temperatures (200-240°C vs 190-220°C). Choose Silk PLA for very shiny for show pieces, or TPU for excellent layer adhesion.
Key differences at a glance
Silk PLA
BShiny PLA
Very shiny for show pieces
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
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
Silk PLA Strengths
- Very shiny for show pieces
- Supports can be easier to remove
TPU Strengths
- Excellent layer adhesion; extremely impact resistant; highly durable
- Great for combat robots, tactical/rough-use parts
- Rubber-like parts (gaskets, grips, bumpers, wheels)
Considerations
Silk PLA Caveats
- Weaker than PLA
- Can puff/popcorn and jam (especially with hot-air intake or multi-material single-nozzle)
- Can 'trash' AMS/MMU
TPU Caveats
- Slow printing; retraction can cause jams (especially in Bowden setups)
- Stringing is common
- Very moisture sensitive; wet TPU prints poorly