Material reference
PA-CF
Public material ID: material-pa-cf
Overview
Carbon-fiber polyamide; base grade varies
Qualification: Family or filler description; exact commercial formulations differ.
Evidence scope: family-guidance
- Family-level material guidance — family-guidance
- Filament Material Guide — family-guidance
100–140 °C
Qualification: Approximate modest-load service guidance; not a guaranteed limit and not interchangeable with a named thermal test.
Evidence scope: representative-product, family-guidance
- Practical service-temperature guidance — family-guidance
- Technical Data at a Glance — representative-product
advanced
Qualification: Source label: Hard. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
1.17 g/cm3
Qualification: Representative product or grade density; additives, color, moisture, and formulation can change it.
Evidence scope: representative-product
- Technical Data at a Glance — representative-product
premium
Qualification: Source tier: $$$$ Specialty. This is a relative market-position heuristic, not a live price.
Evidence scope: qualitative-heuristic
- Relative cost tier — qualitative-heuristic
Thermal guidance
Thermal values answer different questions. Practical service guidance, Tg, HDT, Vicat softening, melting point, and other named tests are not directly interchangeable.
Practical service-temperature guidance
100–140 °C
Qualification: Approximate modest-load service guidance; not a guaranteed limit and not interchangeable with a named thermal test.
Evidence scope: representative-product, family-guidance
- Practical service-temperature guidance — family-guidance
- Technical Data at a Glance — representative-product
Named thermal observations
HDT @ 0.45 MPa, annealed (PA6-CF20 example)
215 °C
Qualification: Representative named observation for the stated product, grade, or family example. Verify method, conditioning, load, and annealing before comparison.
Evidence scope: representative-product, family-guidance
- Named thermal metric identity — family-guidance
- Technical Data at a Glance — representative-product
- loadMpa
- 0.45
- annealed
- Yes
Properties
high-wear
Qualification: Source label: Excellent. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
high-impact
Qualification: Source label: Good-Excellent. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
very-good
Qualification: Source label: Excellent. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
suitable
Qualification: Source label: Good. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
high
Qualification: Source label: Moderate-High. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
moderate
Qualification: Source label: Moderate. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
rigid
Qualification: Source label: Low. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
good
Qualification: Source label: Good. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
1.17 g/cm3
Qualification: Representative product or grade density; additives, color, moisture, and formulation can change it.
Evidence scope: representative-product
- Technical Data at a Glance — representative-product
moderate
Qualification: Source label: Moderate. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
high
Qualification: Source label: Good. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
Process requirements
These requirements describe the material process. They do not claim that your equipment can meet them.
advanced
Qualification: Source label: Hard. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
260–290 °C
Qualification: Conservative starting range; tune for the exact filament, hotend, nozzle, and flow rate.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
80–110 °C
Qualification: Conservative starting range; tune adhesion for the exact surface and formulation.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
recommended
Qualification: Source label: Recommended. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
required
Qualification: Source label: Yes. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: family-guidance, qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
- Composite materials (filled with carbon, kevlar or glass) — family-guidance
critical
Qualification: Source label: Critical. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: family-guidance, qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
- Drying filament — family-guidance
good-ventilation
Qualification: Source label: Good ventilation. This controlled value is screening guidance, not a standardized universal property.
Evidence scope: qualitative-heuristic
- Qualitative property ratings — qualitative-heuristic
Uses and tradeoffs
Rigid structural brackets, fixtures, machine components
Qualification: Application guidance requires product and representative-part verification.
Evidence scope: family-guidance
- Family-level material guidance — family-guidance
- Filament Material Guide — family-guidance
Abrasive; moisture-sensitive; reduced layer adhesion/impact possible; base polymer matters
Qualification: Tradeoffs are family-level screening guidance; exact formulations differ.
Evidence scope: family-guidance
- Family-level material guidance — family-guidance
- Filament Material Guide — family-guidance
geometry-specific
Qualification: Dominant action: Moisture-conditioned fit test. Verify representative dimensions after full cooldown and intended conditioning.
Evidence scope: family-guidance
- Family-level material guidance — family-guidance
- ASA-CF / PAHT-CF Usage Guide — family-guidance
- 3D Prints Shrinkage: Causes and Solutions — family-guidance
- Warping — family-guidance
Calibration starting point
These values are calibration starting points. They are not guaranteed settings, maxima, manufacturer specifications, or proof that a print is safe.
30–60 mm/s
Qualification: Calibration starting range, not a maximum or guarantee.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
0–30 percent
Qualification: Calibration starting range; tune for bonding, overhangs, chamber, and formulation.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
20–30 mm/s
Qualification: Bridge-test starting range; geometry, nozzle, layer height, and airflow matter.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
30–60 percent
Qualification: Bridge-cooling starting range; validate bridges without sacrificing bonding or causing warp.
Evidence scope: starting-profile-guidance
- Polymaker Material Print Tips — starting-profile-guidance
- Filament Material Guide — starting-profile-guidance
Tune for the exact filament, printer, nozzle, geometry, moisture condition, chamber, cooling, and required part performance.
Evidence
45 claim-to-evidence links across 4 evidence scopes.
Family-level material guidance
Scopes: family-guidance
Qualitative family guidance supports comparison and screening, but exact filament formulations differ.
- Check the exact product TDS and SDS.
- Test a representative printed part before engineering use.
Supports: Family or fillerRecommended usesTradeoffsCooling and fit guidance
Qualitative property ratings
Scopes: qualitative-heuristic
Controlled ratings summarize practical tendencies and are not standardized material-property measurements.
- Geometry, moisture, orientation, processing, and formulation can change behavior.
Supports: Wear and abrasionImpact resistanceCreep and sustained loadOutdoor and UV behaviorMoisture sensitivityPrint difficultyEnclosure requirementWear-resistant nozzle requirementWarp tendencyFlexibilityChemical resistanceCooling and shrink riskDimensional stabilityDrying priorityVentilation category
Relative cost tier
Scopes: qualitative-heuristic
Cost tiers are market-position heuristics for consumable filament.
- They are not live prices or total printed-part costs.
Supports: Relative cost tier
Practical service-temperature guidance
Scopes: family-guidance
Service ranges are modest-load selection guidance and remain separate from named thermal tests.
- They are not guaranteed limits, certifications, or substitutes for product qualification.
Supports: Practical service guidance
Named thermal metric identity
Scopes: family-guidance
Tg, HDT, Vicat, melting point, and service guidance answer different questions and are not interchangeable.
- Compare only matching test methods, loads, conditioning, and annealing states.
ASA-CF / PAHT-CF Usage Guide
Scopes: family-guidance
Supports: Cooling and fit guidance
3D Prints Shrinkage: Causes and Solutions
Scopes: family-guidance
Supports: Cooling and fit guidance
Polymaker Material Print Tips
Scopes: starting-profile-guidance
Supports: Nozzle temperatureBed temperatureStarting print speedPart-cooling fanBridge speedBridge fan
Technical Data at a Glance
Scopes: representative-product
Supports: Practical service guidanceHDT @ 0.45 MPa, annealed (PA6-CF20 example)Density
Composite materials (filled with carbon, kevlar or glass)
Scopes: family-guidance
External source — Prusa Research
Supports: Wear-resistant nozzle requirement
Drying filament
Scopes: family-guidance
External source — Prusa Research
Supports: Drying priority
Filament Material Guide
Scopes: family-guidance, starting-profile-guidance
External source — Prusa Research
Supports: Family or fillerNozzle temperatureBed temperatureRecommended usesTradeoffsStarting print speedPart-cooling fanBridge speedBridge fan
Warping
Scopes: family-guidance
External source — Prusa Research
Supports: Cooling and fit guidance
Limitations
- Exact filament formulations differ. Check the relevant product TDS and SDS before use.
- Geometry, moisture, load, print orientation, annealing, chamber conditions, cooling, and process history can change printed-part behavior.
- Qualitative ratings and representative values are guidance, not universal polymer-family specifications.
- Starting-profile values are calibration starting points, not guaranteed settings or maxima.
- This material-selection information is not an engineering safety certification.
Relationships
These connections come from the reported decision lanes. They are not a universal material ranking.
Reported lane membership
- High heat and sustained load — Candidate
- Outdoor — Candidate