Public engineering report
BambuLab Basic Gray PETG Gray
Public-data contract: This static report contains only allowlisted material identity, public links, canonical MSRP and existing Verified Material Summary / governed score outputs. It excludes raw specimen rows and non-public operational data.
Test coverage
Complete
Engineering axes
6/6
Public MSRP
$35.92 USD/kg
Material identity
| MaterialID | MAT0171 |
|---|---|
| Material | BambuLab Basic Gray PETG Gray |
| Manufacturer | BambuLab |
| Product line | Basic |
| Base material | PETG |
| Category | Standard |
| Variant / finish | — |
| Reinforcement | — |
| Color | Gray |
Governed engineering profile
| Overall | 45/100 |
|---|---|
| Tensile | 34/100 |
| Impact | 14/100 |
| Stiffness | 68/100 |
| Consistency | 75/100 |
| Layer adhesion | 35/100 |
| Thermal | 32/100 |
| Best available axis | consistency |
Engineering score profile
Engineering radar
Selected material
Material average - PETG
Manufacturer average - BambuLab
All axes use existing governed 0–100 engineering scores. Missing axes are shown at zero and remain listed as n/a elsewhere in the report.
Fixture thermal result
63 °C · score 32/100 · method 3dp-thermal-deflection-fixture-v1
Nearby BlueDOT probe-indicated fixture temperature from a non-standard comparative 3DPIceland method; not ASTM D648, ISO 75, specimen temperature, certified HDT or a manufacturer limit.
Nearby BlueDOT probe-indicated fixture temperature from a non-standard comparative 3DPIceland method; not ASTM D648, ISO 75, specimen temperature, certified HDT or a manufacturer limit.
Material and manufacturer context
| Metric | Selected material | Material average | Manufacturer average |
|---|---|---|---|
| Overall | 45/100 | 42/100 | 47/100 |
| Tensile | 34/100 | 28/100 | 26/100 |
| Impact | 14/100 | 16/100 | 31/100 |
| Stiffness | 68/100 | 60/100 | 77/100 |
| Consistency | 75/100 | 74/100 | 77/100 |
| Layer adhesion | 35/100 | 31/100 | 24/100 |
| Thermal | 32/100 | — | — |
Verified measurement results
Existing Verified Material Summary outputs. The public renderer does not read raw specimen rows or recalculate these values.
| Measurement | Average | Std. deviation | CV | Samples | Confidence |
|---|---|---|---|---|---|
| Tensile upright | 14.227 MPa | 5.565 MPa | 39.1% | 10 | 10/10 |
| Tensile flat | 40.39 MPa | 5.421 MPa | 13.4% | 10 | 10/10 |
| Impact upright | 105.935 kJ/m² | 29.131 kJ/m² | 27.5% | 10 | 10/10 |
| Impact flat | 167.353 kJ/m² | 30.129 kJ/m² | 18% | 10 | 10/10 |
| Stiffness modulus | 2038.809 MPa | — | — | — | — |
| Stiffness deflection | 2.662 mm | — | — | — | — |
Measurement provenance
Canonical per-module measured dates from SQLite, shown in unambiguous ISO format. Missing dates are not inferred.
| Module | Measured date |
|---|---|
| Tensile | Not recorded |
| Impact | Not recorded |
| Stiffness | Not recorded |
| Thermal | Not recorded |
Engineering interpretation
Summary: BambuLab Basic Gray PETG Gray has a specialized or limited engineering profile. It is above its material-family average by 3,1 points and below its manufacturer average by 1,7 points. Its strongest measured axis is Consistency, while the weakest axis is Impact.
Data-driven review: BambuLab Basic Gray PETG Gray is best understood as a repeatable material for cosmetic, concept and low-load prototype work. Compared with the current verified dataset, it ranks better than 41% overall, is above the material-family average by 3,1 points, and is roughly aligned with the manufacturer average. Its strongest engineering signal is Consistency, while Impact is the main limitation to consider before using it for demanding applications.
Best feature
Consistency
Main limitation
Impact
Dataset position
Better than 41%
138 / 234
Strengths
- Consistency: 75/100. Repeatability is one of the stronger signals in this material profile.
- Tensile: 34/100. Tensile behavior is competitive against the material-family context.
- Stiffness: 68/100. Stiffness is a relative advantage in this comparison group.
Limitations
- Tensile: 34/100. Avoid using this as the primary choice for tensile-loaded parts.
- Impact: 14/100. Avoid high impact or shock-loaded components without additional validation.
- Layer adhesion: 35/100. Z-axis performance should be treated with caution.
Engineering trade-offs
- Good repeatability does not compensate for low tensile capability in load-bearing designs.
- The report should be read as a suitability warning rather than a general-purpose recommendation.
Recommended applications
- Repeatable print jobs and production-style batches
- Cosmetic parts, concept models or low-load prototypes
- Avoid high tensile load applications
- Avoid high impact components
Metric rankings and percentiles
| Metric | Score | Rank | Percentile |
|---|---|---|---|
| Overall | 45/100 | 138 / 234 | Better than 41% |
| Tensile | 34/100 | 56 / 226 | Better than 76% |
| Impact | 14/100 | 197 / 226 | Better than 13% |
| Stiffness | 68/100 | 155 / 223 | Better than 31% |
| Consistency | 75/100 | 158 / 231 | Better than 32% |
| Layer adhesion | 35/100 | 62 / 226 | Better than 73% |
| Thermal | 32/100 | 83 / 209 | Better than 61% |
Decision guidance
- Use this material mainly for low-load, visual or experimental parts.
- Review the listed alternatives if the application needs stronger overall performance.
- Do not choose it as a tensile-strength benchmark material.
- Avoid selecting it for impact-focused testing or shock-loaded designs.
Better alternatives
| MaterialID | Material | Manufacturer | Overall | Tensile | Impact |
|---|---|---|---|---|---|
| MAT0236 | Yasin Standard Black PETG CF Black | Yasin | 50/100 | 30/100 | 20/100 |
| MAT0198 | Siraya Tech Fiberheart Black PETG Pro CF Black | Siraya Tech | 49/100 | 33/100 | 19/100 |
Peer context
Highest-scoring same-base-material peers from the current governed dataset. This context is descriptive and is not recalculated by the public renderer.
| MaterialID | Material | Manufacturer | Overall | Tensile | Impact |
|---|---|---|---|---|---|
| MAT0236 | Yasin Standard Black PETG CF Black | Yasin | 50/100 | 30/100 | 20/100 |
| MAT0198 | Siraya Tech Fiberheart Black PETG Pro CF Black | Siraya Tech | 49/100 | 33/100 | 19/100 |
| MAT0060 | ColorFabb XT PETG Pink | ColorFabb | 48/100 | — | — |
| MAT0062 | IC3D Standard PETG Green-Yellow | IC3D | 48/100 | 26/100 | — |
| MAT0165 | Winkle Standard Ash Gray PETG Gray | Winkle | 46/100 | 30/100 | 14/100 |
| MAT0225 | Spectrum Premium Iceland Blue PETG Blue | Spectrum | 46/100 | 33/100 | 17/100 |
| MAT0063 | IC3D Standard PETG Yellow | IC3D | 46/100 | 26/100 | — |
| MAT0235 | Yasin Standard Black PETG GF Black | Yasin | 45/100 | 27/100 | 21/100 |
Public links
Methodology and limitations
Results are comparative 3DPIceland measurements from home-built test equipment. Thermal is a nearby BlueDOT probe-indicated fixture temperature, not ASTM D648, ISO 75 or specimen temperature. Missing evidence remains n/a. Scores and test results are not recalculated by this publishing layer and do not replace certified manufacturer datasheets or accredited laboratory testing.