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TECHNYL® MAX AX 219 RC40 BK

40% Carbon Fiber Reinforced PA66 Alloy · Ultra-High Rigidity · Low Density · High-Performance Structural Grade

40% Carbon Fiber
Tensile Modulus 33000 MPa
Density 1.34 g/cm³
Heat Stabilized

TECHNYL® MAX AX 219 RC40 BK (previously TECHNYL XA 2340 BK) is a 40% carbon fiber reinforced high-performance polyamide 66 alloy grade, specifically designed for structural components requiring ultra-high rigidity and low density. This product offers industry-leading mechanical properties with a tensile modulus of 33000 MPa and flexural modulus of 26000 MPa, while maintaining a low density of only 1.34 g/cm³, making it an ideal choice for lightweight metal replacement.

📋 Product Overview

  • Polymer Type: PA66 Alloy
  • Reinforcement: 40% Carbon Fiber
  • Heat Stabilization: Heat-aging stabilized
  • Processing: Injection Molding
  • Color: Black
  • Certifications: RoHS, REACH
  • Typical Applications: Automotive Applications, Industrial Applications, Consumer Applications

📊 Technical Data Sheet

Physical Properties

Property Standard Value Unit
Density ISO 1183 1.34 g/cm³</td
Humidity Absorption (23°C / 50% RH) ISO 62 1.9 %</td
Water Absorption (24h, 23°C) ISO 62 0.7 %</td
Molding Shrinkage (parallel) ISO 294-4 0.05 – 0.1 %</td
Molding Shrinkage (normal) ISO 294-4 0.3 – 0.5 %</td
MVR (275°C, 5kg) ISO 1133 14.0 cm³/10min</td

Mechanical Properties (DAM / Conditioned)

Property Standard Value (DAM / Cond.) Unit
Tensile Modulus ISO 527-1/-2 33000 / 25000 MPa</td
Stress at Break ISO 527-1/-2 300 / 240 MPa</td
Strain at Break ISO 527-1/-2 1.4 / 2.1 %</td
Flexural Modulus ISO 178 26000 / 22000 MPa</td
Flexural Strength ISO 178 440 / 350 MPa</td
Charpy Impact Strength (+23°C) ISO 179/1eU 60 / 60 kJ/m²</td
Charpy Impact Strength (-30°C) ISO 179/1eU 50 / 50 kJ/m²</td
Charpy Notched Impact (+23°C) ISO 179/1eA 9 / 9 kJ/m²</td
Charpy Notched Impact (-30°C) ISO 179/1eA 6 / 6 kJ/m²</td

Thermal Properties

Property Standard Value Unit
Melting Temperature ISO 11357-1 260 °C</td
HDT (1.80 MPa) ISO 75 250 °C</td

Flammability

Property Thickness Standard Rating/Value
UL 94 Flammability 1.5 mm UL 94 HB</td
FMVSS Burning Rate 1 mm FMVSS 302 <100 mm/min</td

🔬 Carbon Fiber Reinforcement · Ultra-High Rigidity Structural Material

TECHNYL® MAX AX 219 RC40 BK features 40% carbon fiber reinforcement, delivering exceptional mechanical properties:

  • Ultra-High Rigidity: Tensile modulus up to 33000 MPa, flexural modulus 26000 MPa, far exceeding traditional glass fiber reinforced materials
  • Ultra-High Strength: Tensile strength 300 MPa, flexural strength 440 MPa
  • Low Density: Only 1.34 g/cm³, 15-25% lighter than glass fiber reinforced grades
  • Excellent Dimensional Stability: Molding shrinkage as low as 0.05-0.1% in parallel direction
  • Good Thermal Stability: HDT of 250°C at 1.80MPa
  • Excellent Surface Finish: Carbon fiber provides good surface appearance

⚙️ Processing Conditions

🌡️ Drying Conditions
75-85°C / 2-4 hours
Dew point ≤ -30°C
💧 Max Moisture
0.2%
🔥 Rear Temperature
280 – 290°C
🔥 Middle Temperature
290 – 300°C
🔥 Front Temperature
295 – 305°C
🔥 Recommended Melt Temperature
280 – 305°C
🏭 Mold Temperature
90 – 120°C

⚠️ Injection Advice

The material is supplied in airtight bags, ready for use. If the virgin material has absorbed moisture, it must be dried with dehumidified air drying equipment (dew point minimum -20°C). Recommended drying time: 2-4 hours.

Due to the abrasiveness of carbon fiber, DOMO recommends using steel with high carbon content, purified for polishing, to avoid or limit abrasion. For example: X38CrMoV5-1 (EN Norm) – 1.2367/1.2343 (DIN Norm) or X160CrMoV12 – 1.2601/1.2379 (DIN Norm). For high surface quality requirements, mold temperature up to 120°C can be considered.

🎯 Target Applications

🚗 Automotive Structural Parts
Lightweight body components, chassis structures
🔧 Industrial Applications
Robotic arms, high-rigidity brackets
🏭 Consumer Applications
High-end sports equipment, precision components
⚙️ Metal Replacement
Lightweight structural parts, high-performance components

🌟 Key Advantages

  • ✅ Ultra-High Rigidity: 40% carbon fiber reinforcement, tensile modulus 33000 MPa, flexural modulus 26000 MPa
  • ✅ Ultra-High Strength: Tensile strength 300 MPa, flexural strength 440 MPa
  • ✅ Low Density Lightweighting: Density only 1.34 g/cm³, over 80% lighter than metal
  • ✅ Excellent Dimensional Stability: Extremely low molding shrinkage (0.05-0.1% parallel)
  • ✅ High Heat Deflection Temperature: HDT of 250°C at 1.80MPa
  • ✅ Heat-Aging Stabilized: Long-term thermal aging resistance
  • ✅ Excellent Surface Finish: Carbon fiber provides good surface appearance
  • ✅ RoHS & REACH Compliant: Meets global environmental regulations

📊 TECHNYL MAX Series Comparison

Grade Reinforcement Content Tensile Modulus Tensile Strength Density
MAX A 218 XV50 BK Flat Glass 50% 17000 MPa 250 MPa 1.58 g/cm³</td
MAX A 218 XV65 BK 9290 Round Glass 65% 25000 MPa 250 MPa 1.8 g/cm³</td
MAX AX 219 RC40 BK Carbon Fiber 40% 33000 MPa 300 MPa 1.34 g/cm³</td

Disclaimer: The information provided in this documentation corresponds to our technical knowledge at the date of its publication and does not constitute a specification. DOMO cannot anticipate all conditions under which this information and our products may be used. Users are advised to make their own tests to determine the safety and suitability for their own purposes. Unless otherwise agreed in writing, DOMO sells the product without warranties. Unless specifically indicated, this grade is not suitable for pharmaceutical/medical applications.

Source: DOMO Chemicals Official Technical Data Sheet (TECHNYL MAX AX 219 RC40 BK, previously TECHNYL XA 2340 BK, Document PID-002340)

Last Updated: May 2026

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