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Physical Property Data Reference for PA612 with 20% Carbon Fiber Reinforcement

2026-03-18　
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PA612 carbon fiber reinforced CF reinforced 20% flame retardant carbon fiber nylon 612 high strength and high modulus.

 

1. Physical Properties

Property Value Test Standard Remark
Density 1.24–1.26 g/cm³ ASTM D792 About 15% higher than neat PA612
Molding Shrinkage (3.2mm) 0.1–0.3 % ASTM D955 Obvious difference between flow and transverse direction
Water Absorption (23℃, 24h) 0.6–0.8 % ASTM D570 Much lower than PA6/PA66
Equilibrium Water Absorption 1.2–1.5 % — For long-term performance reference

2. Mechanical Properties (Dry As Molded)

Property Value Test Standard Remark
Tensile Strength 150–180 MPa ASTM D638 2.5–3 times that of neat PA612
Tensile Modulus 8–10 GPa ASTM D638 Significantly improved rigidity
Elongation at Break 2–4 % ASTM D638 Reduced toughness
Flexural Strength 200–230 MPa ASTM D790 High bending resistance
Flexural Modulus 10–12 GPa ASTM D790 High stiffness
Charpy Notched Impact Strength 3.5–5.0 kJ/m² ASTM D256 Retains moderate toughness
Rockwell Hardness (R scale) 115–125 ASTM D785 High surface hardness

3. Thermal Properties

 
Property Value Test Standard Remark
Melting Point 175–185 ℃ DSC Wide processing window
Heat Deflection Temperature (HDT, 0.45 MPa) 180–190 ℃ ASTM D648 Greatly improved heat resistance
Heat Deflection Temperature (HDT, 1.82 MPa) 160–170 ℃ ASTM D648 Heat resistance under high load
Long-Term Service Temperature 120–140 ℃ — Can be higher in oil/inert gas
Coefficient of Linear Thermal Expansion 2.5–3.5 ×10⁻⁵ /℃ ASTM D696 Excellent dimensional stability

4. Electrical & Other Properties

Property Value Test Standard Remark
Volume Resistivity 10⁸–10¹⁰ Ω·cm ASTM D257 Semi-conductive / antistatic
Surface Resistivity 10⁶–10⁸ Ω/sq ASTM D257 Suitable for ESD applications
Flammability Rating HB–V2 UL94 V0 available with special formulation
Chemical Resistance Excellent — Resistant to oil, fuel, most solvents

5. Typical Applications

  • Automotive: Structural parts, engine peripherals, lightweight brackets
  • Electronics: Connectors, heat dissipation structures, ESD components
  • Industrial: Gears, bearing housings, wear-resistant sliders
  • Aerospace / UAV: Lightweight load-bearing components
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