3D Printing InfoFilament comparison
PEBA vs PMMA
Compare printing settings, strength, heat resistance, dated prices and sources.
2 selected · all documented properties
| Property | PEBA (polyether block amide)FLEX | PMMA (acrylic)ENGINEERING |
|---|---|---|
| Market snapshot | ||
| Listing priceUSD/kg; dated snapshots | $60.99/kg median; $60.99–$60.99/kg across 1 dated product listings | $49.99/kg median; $49.99–$49.99/kg across 1 dated product listings |
| Identity & Market | ||
| Base polymer / chemistry | Polyether block amide: rigid polyamide and flexible polyether blocks.[1] | Poly(methyl methacrylate) — acrylic, sold for 3D printing as a transparent glass substitute[2] |
| Densityg/cm³ | 1.01 g/cm³ (GB/T 1033; eSUN manufacturer data)[1] | Not documented |
| Typical priceUSD/kg | Not documented | 1 kg spools cluster near 50[3] |
| Price range across brandsUSD/kg | Not documented | 50 at Push Plastic's 1 kg listing; 3 kg spools run the same per kilogram[3] |
| Market availability1–5 | Not documented | Special order, 1–2 makers worldwide[3] |
| Spool sizes & diameters | 1.75 mm diameter, 1 kg spool.[4] | 1.75 and 2.85 mm; 1 and 3 kg spools[3] |
| Typical applications | Manufacturer applications include footwear, sports equipment and cushioning.[1] | Transparent covers and light guides where PC's yellowing or cost rules it out[2] |
| Printing Parameters | ||
| Nozzle temperature°C | 230–260 °C; 240 °C recommended.[1] | Not documented |
| Bed temperature°C | 60–90 °C[1] | Not documented |
| Part cooling fan | 10–50% fan recommended; mechanical-test specimens used 50–100%.[1] | Not documented |
| Bed surface & adhesion aid | PEI build plate[1] | Not documented |
| Maximum volumetric flow (mm³/s; see test conditions)mm³/s | 9 mm³/s maximum in eSUN spiral-vase test; mechanical specimens used 2 mm³/s. Linear recommendation 25–110 mm/s is a separate quantity.[1] | Not documented |
| Moisture Behaviour | ||
| Drying temperature & time | 70–75 °C for 6–8 h; re-dry after receiving or extended exposure.[1] | Not documented |
| Mechanical Properties | ||
| Tensile strength (XY)MPa | >16.5 MPa printed XY, GB/T 1040; manufacturer lower bound, not an exact measurement.[1] | Not documented |
| Elongation at break% | >520% printed XY, GB/T 1040; manufacturer lower bound.[1] | Not documented |
| Layer adhesion / Z tensileMPa | 7.5 MPa printed Z, GB/T 1040 (manufacturer test)[1] | Not documented |
| Hardness (scale-specific)Shore A / Shore D / Rockwell | 90 Shore A nominal grade designation; do not compare numerically with Shore D or Rockwell.[4] | Not documented |
| Thermal Properties | ||
| Melting point / Vicat°C | 110 °C Vicat softening (GB/T 1633, 120 °C/h, 10 N); not HDT or a continuous-use rating.[1] | Not documented |
| Solvents & Solubility | ||
| Soluble in | Not documented | Acetone, MEK, ethyl and butyl acetate, THF, chloroform and carbon tetrachloride dissolve it; the last two are laboratory reagents.[5] |
| Softened or crazed by | Not documented | Alcohols, aliphatic hydrocarbons, oils and phthalate plasticisers craze it, and the threshold falls as stress rises.[5] |
| Solvent welding & smoothing agent | Not documented | Dichloromethane acrylic cement (IPS Weld-On 3): 2–5 min soak, 17.2 MPa lap shear at one week. Controlled carcinogen.[6] |
Material entries describe families or representative grades, not an interchangeable specification for every spool. Test methods, orientations and conditions may differ. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.
Sources for this comparison
- eSUN PEBA-90A Technical Data Sheet v1.0 (Aug 2025), checked 2026-10-17 eSUN · 2025-08 · tds
- PMMA Filament 1.75mm 1kg — product page Push Plastic · 2026-08 · vendor
- Push Plastic product catalogue Push Plastic · 2026-08 · vendor
- eSUN PEBA-90A official product page: 1 kg price and product identity eSUN · 2026-10-17 · vendor
- Chemical resistance of PMMA products Mitsubishi Chemical (Acrypet) · 2026-08 · tds
- Weld-On 3 Acrylic Plastic Cement — technical data sheet (shipped as dichloromethane) IPS Corporation · 2002-07 · tds