Smooth PEI Sheet
Generic / House Brand
☀ UV Stable
⬡ Chemical Resistant
25–110
°C
Bed Temp
Overview
Spring-steel sheet with smooth PEI coating. Produces a mirror-smooth, slightly glossy bottom surface on prints. Works similarly to textured PEI but with lower inherent adhesion — requires precise first layer and sometimes a thin glue stick layer for troublesome materials.
Properties
Difficulty
beginner
Flexibility
semi-flex
Layer Adhesion
good
Enclosure
no
Heated Bed
recommended
Dry Storage
no
Pros
- Glossy smooth bottom surface finish
- Good adhesion for most materials at proper bed temp
- Easy part release when cool
- Magnetic attachment
- Low cost
Cons
- Lower adhesion than textured version — warping more likely
- PEI coating can be scratched
- Less forgiving of Z-offset errors
- PETG requires glue stick barrier to prevent damage
Best For
- PLA|Display pieces needing smooth base|Prototypes|Flexible materials (TPU)
Avoid For
- Large ABS prints without enclosure|PETG without glue barrier
Storage
Wipe with IPA before each print. Handle by edges to avoid finger oils on print surface. Store flat.
Laser Compatibility
Not applicable
Brands
PrusaBambu LabCrealityWham BamEnergetic