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PA9T GF-FR-V0

Flame-retardant grade

GF-FR-V0 = fR V-0

Required for UL 94 V-0 at thin wall in relays, breakers and connector housings; slightly lower strength and flow than plain GF.

High cost $$$$

Values for the GF-FR-V0 condition

Other PA9T grades and fills

PA9T is listed in 9 conditions; see the grade overview at PA9T.

Compare all 9 grades and fillsHide
Grade · open for datasheetBest forYield MPaTensile MPaElong. %Hardness
Impact-modified / toughened
Select where snap-fits, press-fit terminals or drop impact demand ductility at the cost of stiffness and HDT.586512072 Shore D
NEATDefault
Unfilled / Natural
Choose when toughness, low moisture uptake and dielectric stability matter more than stiffness or reflow-level HDT.80856080 Shore D
Mineral / mineral+glass filled
Use for flat, dimensionally critical parts (LED reflectors, SMT sockets) where isotropic shrinkage and surface quality beat peak strength.—1302.296 HRM
ESD / conductive
Use for wafer/IC handling trays and fixtures needing 10^4–10^9 Ω surface resistivity with reflow-level heat resistance.—150298 HRM
GF-FR-V0This page
FR V-0
Required for UL 94 V-0 at thin wall in relays, breakers and connector housings; slightly lower strength and flow than plain GF.—160298 HRM
Heat-stabilized (long-term heat aging) glass reinforced
For under-hood and LED/power-module parts held above 130 °C for thousands of hours; mechanical values equal GF33 when new.—1902.4100 HRM
GF30–33
The mainstream electronics grade: reflow-capable HDT near 285 °C with good flow for thin-wall connectors.—1952.5100 HRM
GF45–50
Pick for maximum rigidity and lowest warpage in large or thin structural housings where flow is still acceptable.—2202—
Carbon-fiber reinforced
Highest specific stiffness plus static-dissipative behavior for lightweight housings and handling tooling.—2301.6—

What is PA9T GF-FR-V0?

PA9T GF-FR-V0 is PA9T in the GF-FR-V0 grade — required for UL 94 V-0 at thin wall in relays, breakers and connector housings; slightly lower strength and flow than plain GF. PA9T GF-FR-V0 has a yield strength of 80 MPa (11.6 ksi) and a tensile strength of 160 MPa (23.2 ksi) — stronger than 88% of polymer grades. Elongation at break is 2% and the elastic modulus is 10.5 GPa (1.52 Msi). PA9T GF-FR-V0 has a density of 1.55 g/cm³ (0.056 lb/in³), heavier than 91% of polymer grades. Its glass-transition temperature is 125°C (257 °F). NEAT is the default condition FabDigit quotes; GF-FR-V0 is available on request or by drawing note.

Advantages

  • Stiff — 10.5 GPa (1.52 Msi), better than 95% of polymer grades
  • Conducts heat well — 0.35 W/m·K (0.202 BTU/hr·ft·°F), better than 91% of polymer grades
  • High strength — 80 MPa (11.6 ksi), better than 88% of polymer grades
  • Low, predictable mold shrinkage — 0.35%, better than 86% of polymer grades
  • High service temperature — 145°C (293 °F), better than 77% of polymer grades

Limitations

  • Limited ductility — 2%, worse than 95% of polymer grades
  • Heavy — 1.55 g/cm³ (0.056 lb/in³), worse than 91% of polymer grades
  • Limited formability — 8/100, worse than 91% of polymer grades
  • High embodied carbon — 8 kg CO₂/kg, worse than 83% of polymer grades
  • Difficult to machine — 42/100, worse than 80% of polymer grades

PA9T GF-FR-V0 properties

Typical room-temperature values for PA9T GF-FR-V0; 24 are specific to this condition. Other listed values are PA9T reference data and may not represent this condition. Bars are the position among polymer grades.

Physical5

PA9T GF-FR-V0 has a density of 1.55 g/cm³ (0.056 lb/in³), heavier than 91% of polymer grades. Its glass-transition temperature is 125°C (257 °F).

Density1.55 g/cm³0.06 lb/in³
Melting Temperature (Tm)265°C509 °F
Glass Transition (Tg)125°C257 °F
Water Absorption (24 h)0.18%
Water Absorption (Saturation)2.2%

Mechanical13

PA9T GF-FR-V0 has a yield strength of 80 MPa (11.6 ksi) and a tensile strength of 160 MPa (23.2 ksi) — stronger than 88% of polymer grades. Elongation at break is 2% and the elastic modulus is 10.5 GPa (1.52 Msi).

Elastic (Young's) Modulus10.5 GPa1.5 Msi
Poisson's Ratio0.4
Tensile Strength (Ultimate)160 MPa23.2 ksi
Yield Strength (0.2% offset)80 MPa11.6 ksi
Elongation at Break2%
Compressive Strength160 MPa23.2 ksi
Flexural Strength230 MPa33.4 ksi
Flexural Modulus10 GPa1.5 Msi
Shear Strength95 MPa13.8 ksi
Izod Impact, Notched75 J/m1.4 ft·lbf/in
Hardness, Shore D80 Shore D
Hardness, Rockwell M98 HRM
Hardness, Rockwell R124 HRR

Thermal11

PA9T GF-FR-V0 is rated for continuous service to 145°C (293 °F). It conducts heat at 0.35 W/m·K (0.202 BTU/hr·ft·°F), better than 91% of polymer grades. Thermal expansion is 80 µm/m·K (44.4 µin/in·°F).

Thermal Conductivity0.35 W/m·K0.2 BTU/hr·ft·°F
Specific Heat Capacity1,500 J/kg·K0.36 BTU/lb·°F
Thermal Expansion (CTE, 20–100 °C)80 µm/m·K44.4 µin/in·°F
Max Service Temperature (continuous)145°C293 °F
Min Service Temperature-40°C-40 °F
Heat Deflection Temp. @ 0.45 MPa290°C554 °F
Heat Deflection Temp. @ 1.8 MPa280°C536 °F
Vicat Softening Point (B50)240°C464 °F
Flammability (UL 94)V-0 at 0.4–0.75 mm (halogen-free)
Limiting Oxygen Index33%
Max Service Temperature (short-term)270°C518 °F

Electrical7

PA9T GF-FR-V0 is an electrical insulator with a dielectric strength of 25 kV/mm (635 V/mil) and a resistivity of 1×10¹³ Ω·m.

Electrical Resistivity1×10¹³ Ω·m3.94×10²⁰ µΩ·in
Dielectric Strength25 kV/mm635 V/mil
Dielectric Constant (1 MHz)3.4
Dissipation Factor (1 MHz)0.015
Volume Resistivity1×10¹⁵ Ω·cm
Surface Resistivity1×10¹⁵ Ω
Comparative Tracking Index (CTI)600 V

Chemical & Environmental3

Corrosion resistance is very good (80/100), worse than 52% of polymer grades. UV resistance is fair.

Corrosion ResistanceVery good80/100
UV / Weathering ResistanceFair35/100
Chemical Resistance SummaryGood against automotive fluids, oils, greases, alcohols, aqueous salts, ethylene glycol and most solvents; low moisture uptake keeps properties stable in humid/hot water. Attacked by strong acids, phenols, formic acid and hot concentrated bases; limited resistance to prolonged exposure to calcium/zinc chloride solutions.

Sustainability4

Producing a kilogram of PA9T GF-FR-V0 takes about 135 MJ of energy and emits 8 kg of CO₂ — more than 79% of polymer grades. Typical recycled content is 0%.

Embodied Energy (primary production)135 MJ/kg58,040 BTU/lb
Embodied Carbon (primary production)8 kg CO₂/kg
Embodied Water250 L/kg30 gal/lb
Typical Recycled Content0%

Manufacturability7

PA9T GF-FR-V0's machinability is fair (42/100, worse than 80% of polymer grades); weldability poor (25/100); formability not recommended (8/100).

MachinabilityFair42/100
WeldabilityPoor25/100
Formability (cold)Not recommended8/100
PolishabilityGood55/100
Mold Shrinkage0.35%
Processing Melt Temperature (typ.)310°C590 °F
Mold Temperature (typ.)140°C284 °F

Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.

Working with PA9T GF-FR-V0

Is PA9T easy to machine?

Machines like a stiff nylon — sharp carbide/PCD tools, high speed and light feeds; glass- and carbon-filled compounds are abrasive and wear standard HSS quickly, and thick stock must be relieved of molding stress before close-tolerance work.

Can PA9T be welded?

Joined by ultrasonic, vibration, laser transmission or hot-plate welding at melt temperatures near 300 °C; no solvent bonding, and adhesive joints need plasma or flame pretreatment because of the low-energy, low-absorption surface.

Can PA9T be formed, bent or molded?

Injection mold at 300–325 °C melt with 130–150 °C mold and hot-runner/insulated barrel control; dry to <0.05 % moisture (80–100 °C, 4–6 h) and purge promptly since long residence above 330 °C causes discoloration and gassing.

What surface finishes work on PA9T?

Takes laser marking, pad printing and painting well after cleaning; low water uptake gives stable plated/insert-molded assemblies, and molded-in gloss from polished tools is generally preferred over post-polishing on filled grades.

PA9T chemical composition (wt %)

Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance.

ElementSpec limit (wt %)
terephthalic acid unit (TPA)aromatic diacid segment, mol% of repeat unit≈ 50
1,9-nonanediamineprincipal diamine (typ. ~80 mol% of diamine fraction)≈ 40
2-methyl-1,8-octanediaminebranched co-diamine used to control crystallinity/melting point≈ 10
glass fiber0 in unfilled default; 30–50 wt% in GF variants≈ 0
heat stabilizers / lubricants / pigmenttypical additive package≈ 0.5

PA9T GF-FR-V0 — frequently asked

What is PA9T GF-FR-V0 used for?

PA9T GF-FR-V0 is typically used for SMT connectors, automotive under-hood parts and electronic housings. In short: solder-reflow capable nylon; low moisture uptake; PPA-class heat resistance.

What is the yield strength of PA9T GF-FR-V0?

PA9T GF-FR-V0 has a typical yield strength of 80 MPa (11.6 ksi) and a tensile strength of 160 MPa (23.2 ksi) — stronger than 88% of polymer grades. Strength varies by condition: see the 9 listed tempers.

Is PA9T GF-FR-V0 easy to machine?

Not especially — machinability is rated fair (42/100, worse than 80% of polymer grades). Machines like a stiff nylon — sharp carbide/PCD tools, high speed and light feeds; glass- and carbon-filled compounds are abrasive and wear standard HSS quickly, and thick stock must be relieved of molding stress before close-tolerance work.

Can PA9T GF-FR-V0 be welded?

Not readily — weldability is rated poor (25/100). Joined by ultrasonic, vibration, laser transmission or hot-plate welding at melt temperatures near 300 °C; no solvent bonding, and adhesive joints need plasma or flame pretreatment because of the low-energy, low-absorption surface.

What surface finishes work on PA9T GF-FR-V0?

Takes laser marking, pad printing and painting well after cleaning; low water uptake gives stable plated/insert-molded assemblies, and molded-in gloss from polished tools is generally preferred over post-polishing on filled grades.

Can PA9T GF-FR-V0 be formed, bent or molded?

Injection mold at 300–325 °C melt with 130–150 °C mold and hot-runner/insulated barrel control; dry to <0.05 % moisture (80–100 °C, 4–6 h) and purge promptly since long residence above 330 °C causes discoloration and gassing.

What is the maximum service temperature of PA9T GF-FR-V0?

PA9T GF-FR-V0 is rated for continuous use to about 145°C (293 °F), and briefly to 270°C. Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

What is the difference between PA9T NEAT and PA9T IM?

NEAT is the default condition — choose when toughness, low moisture uptake and dielectric stability matter more than stiffness or reflow-level HDT. IM: select where snap-fits, press-fit terminals or drop impact demand ductility at the cost of stiffness and HDT. Yield strength is 80 MPa in NEAT versus 58 MPa in IM.

Sources

  1. Genestar PA9T heat-resistant polyamide grade data — Kuraray (2023)
  2. CAMPUS plastics data — semi-aromatic polyamide (PPA/PA9T) grades — CAMPUS / CWFG (2023)
  3. Engineering Plastics Handbook — high-temperature polyamides — McGraw-Hill (2006)
  4. ISO 527 / ISO 178 / ISO 75 / ASTM D256 test methods for plastics — ISO / ASTM (2019)

Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.