Public engineering report

Prusa3D Prusament Marble Gray PLA Marble Gray

Material Engineering Report
MaterialID MAT0205

3DPIceland Engineering Platform
3DPIceland Labs
Generated with 3DPIceland Engineering Platform v70.0.4 DIRECT-IMPACT-METHODOLOGY - Izod and Charpy Methodology
Generated 2026-10-04 18:07:33

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.

Rigid test coverage

Complete; 5/5 score families; Izod/Charpy 2/2 measured, 2/2 scored; Overall eligible; policy engineering-score-v70-1

Engineering axes

7/8

Public MSRP

$25.60 USD/kg

Material identity

MaterialID	MAT0205
Material	Prusa3D Prusament Marble Gray PLA Marble Gray
Manufacturer	Prusa3D
Product line	Prusament
Base material	PLA
Category	Standard
Variant / finish	Marble
Reinforcement	—
Color	Gray

Governed engineering profile

Overall	51/100
Tensile	37/100
Impact	—
Izod	5/100
Charpy	4/100
Stiffness	100/100
Consistency	82/100
Layer adhesion	32/100
Thermal	29/100
Best available axis	stiffness

Engineering score profile

Overall

51/100

Tensile

37/100

Impact

—

Izod

5/100

Charpy

4/100

Stiffness

100/100

Consistency

82/100

Layer adhesion

32/100

Thermal

29/100

Engineering radar

Selected material

Material average - PLA

Manufacturer average - Prusa3D

Legacy Impact radar: 15.165 % of legacy rig capacity. This historical visual reference is the mean corrected Flat/Upright result divided by the matching rig capacity; it is not a modern engineering score.

Izod and Charpy use versioned method references and together form one equally weighted impact family. Overall requires all five families and both calibrated methods; incomplete profiles are not ranked. Legacy Impact and thermal are outside Overall. Missing axes have gaps with no marker or filled polygon; measured zero retains a centre marker.

Fixture thermal result

58 °C · score 29/100 · 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.

Material and manufacturer context

Metric	Selected material	Material average	Manufacturer average
Overall	51/100	—	—
Tensile	37/100	30/100	31/100
Impact	—	—	—
Izod	5/100	8/100	9/100
Charpy	4/100	10/100	12/100
Stiffness	100/100	87/100	84/100
Consistency	82/100	75/100	76/100
Layer adhesion	32/100	31/100	32/100
Thermal	29/100	—	—

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	14.366 MPa	6.421 MPa	44.7%	10	10/10
Tensile flat	45.066 MPa	6.506 MPa	14.4%	10	10/10
Impact upright	6.494 kJ/m²	0.822 kJ/m²	12.7%	10	10/10
Impact flat	10.786 kJ/m²	0.623 kJ/m²	5.8%	10	10/10
Izod	3.807 kJ/m²	0.086 kJ/m²	2.3%	10	10/10
Charpy	3.556 kJ/m²	0.435 kJ/m²	12.2%	10	10/10
Stiffness modulus	3181.245 MPa	—	—	—	—
Stiffness deflection	1.706 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	2026-07-30
Izod	2026-09-30
Charpy	2026-09-30
Stiffness	Not recorded
Thermal	Not recorded

Engineering interpretation

Summary: Prusa3D Prusament Marble Gray PLA Marble Gray has a specialized or limited engineering profile. It is without enough material-family average context and without enough manufacturer average context. Its strongest measured axis is Stiffness, while the weakest axis is Charpy.

Data-driven review: Prusa3D Prusament Marble Gray PLA Marble 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 89% overall, is missing enough context for the material-family average, and is missing enough context for the manufacturer average. Its strongest engineering signal is Stiffness, while Charpy is the main limitation to consider before using it for demanding applications.

Best feature

Stiffness

Main limitation

Charpy

Dataset position

Better than 89%

10 / 80

Strengths

Consistency: 82/100. Repeatability is one of the stronger signals in this material profile.
Tensile: 37/100. Tensile behavior is competitive against the material-family context.
Stiffness: 100/100. Stiffness is a relative advantage in this comparison group.

Limitations

Tensile: 37/100. Avoid using this as the primary choice for tensile-loaded parts.
Izod/Charpy impact family: 5/100. Validate impact or shock-loaded components against their application requirements.
Layer adhesion: 32/100. Z-axis performance should be treated with caution.

Engineering trade-offs

Good repeatability does not compensate for low tensile capability in load-bearing designs.
Stiffness is useful for shape stability, but impact tolerance is a separate limitation.

Recommended applications

Rigid brackets, fixtures and shape-stable prototypes
Repeatable print jobs and production-style batches
Cosmetic parts, concept models or low-load prototypes
Avoid high impact components

Metric rankings and percentiles

Metric	Score	Rank	Percentile
Overall	51/100	10 / 80	Better than 89%
Tensile	37/100	30 / 243	Better than 88%
Impact	—	—	—
Izod	5/100	66 / 83	Better than 22%
Charpy	4/100	64 / 82	Better than 23%
Stiffness	100/100	1 / 240	Better than 100%
Consistency	82/100	56 / 243	Better than 77%
Layer adhesion	32/100	80 / 243	Better than 67%
Thermal	29/100	112 / 226	Better than 51%

Decision guidance

Use this material for moderate requirements after checking the weakest axis.
Review the listed alternatives if the application needs stronger overall performance.
Validate impact-focused or shock-loaded designs against the measured Izod/Charpy results.

Better alternatives

MaterialID	Material	Manufacturer	Overall	Tensile	Impact	Izod	Charpy
MAT0265	Coex 3D Standard Scarlet Red PLA Red	Coex 3D	58/100	39/100	—
MAT0118	Prusa3D Prusament Azure Blue PLA Blue	Prusa3D	55/100	36/100	—

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	Izod	Charpy
MAT0265	Coex 3D Standard Scarlet Red PLA Red	Coex 3D	58/100	39/100	—	n/a	n/a
MAT0118	Prusa3D Prusament Azure Blue PLA Blue	Prusa3D	55/100	36/100	—	n/a	n/a
MAT0112	Prusa3D Prusament Galaxy Black PLA Black	Prusa3D	52/100	38/100	—	n/a	n/a
MAT0143	Prusa3D Prusament Corn Pigment PLA Recycled Brown	Prusa3D	52/100	30/100	—	n/a	n/a
MAT0203	Prusa3D Prusament Prusa Orange PLA Orange	Prusa3D	52/100	42/100	—	n/a	n/a
MAT0264	Coex 3D Prime Scarlet Red PLA Red	Coex 3D	52/100	34/100	—	n/a	n/a
MAT0204	Prusa3D Prusament Jet Black PLA Black	Prusa3D	51/100	40/100	—	n/a	n/a
MAT0249	Bedrock 3D Standard Black PLA Black	Bedrock 3D	50/100	38/100	—	n/a	n/a

Public links

Manufacturer website Video review Download PDF

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.

Izod and Charpy Impact Strength

Izod Impact Strength · 2026-09-30
Instrument readings in kJ/m²
Mean 3.807 kJ/m²; Std. Dev 0.086 kJ/m²; CV 2.272%; Samples 10; Confidence 10
No break 0; invalid 0; excluded 0.
Comparative measurements; standard conformity unverified.

Charpy Impact Strength · 2026-09-30
Instrument readings in kJ/m²
Mean 3.556 kJ/m²; Std. Dev 0.435 kJ/m²; CV 12.243%; Samples 10; Confidence 10
No break 0; invalid 0; excluded 0.
Comparative measurements; standard conformity unverified.