TECHNYL STAR AF 219 V30 BK is a polyamide 6.6, ultra-high flow grade reinforced with 30% glass fiber, heat stabilized with an organic system, designed for injection moulding. This grade offers enhanced moulding behaviors and superior surface aspect. It provides an excellent combination of thermal and mechanical properties while restricting electrolytic corrosion. This grade is ideal for Muccell® injection moulding technology.

📌 Product Identification & Features

Polymer Type PA66 (Polyamide 66)
ISO 1043 Abbreviation PA66-GF30
ISO 16396 Designation PA66,GF30,MH,S14-100
Processing Technology Injection Moulding
Certifications RoHS, EC 1907/2006 (REACH)
Colors Available Black (BK), Natural (NC)
Form Pellets
Typical Applications Automotive Parts, Pulleys, General Purpose

🔑 Key Features Overview

✅ Ultra-High Flow
✅ Electrical Corrosion Resistant
✅ Low Halogen Content
✅ Excellent Surface Finish
✅ Organic Heat Stabilized
✅ Muccell® Injection Moulding Compatible

⚡ Physical Properties

1.36
g/cm³ Density
0.8
% Water Absorption (24h/23°C)
0.3%
Molding Shrinkage (Parallel)
1.0%
Molding Shrinkage (Normal)

🔧 Mechanical Properties

Property DAM Cond.*
Tensile Modulus (1 mm/min) 10000 MPa 6500 MPa
Stress at Break 185 MPa 110 MPa
Strain at Break 2.6% 7.5%
Flexural Modulus (ISO 178, 2 mm/min) 9000 MPa
Flexural Strength (ISO 178, 2 mm/min) 270 MPa
Charpy Impact Strength (+23°C) 60 kJ/m² 75 kJ/m²
Charpy Notched Impact (+23°C) 8 kJ/m² 10 kJ/m²
Izod Impact Strength (+23°C) 50 kJ/m²

* Conditioned according to ISO 1110

📊 Mechanical Properties Analysis

High Rigidity: Dry tensile modulus of 10000 MPa and flexural strength of 270 MPa provide excellent structural load-bearing capacity.
Ultra-High Flow (STAR AF Technology): 40%+ improved flowability compared to standard PA66 GF30, significantly enhancing thin-wall filling capability.
Improved Toughness After Conditioning: Strain at break increases from 2.6% to 7.5% (188% increase), notched impact increases from 8 to 10 kJ/m².

🌡️ Thermal Properties

Melting Temperature (10°C/min) 258°C
HDT (0.45 MPa) 258°C
HDT (1.80 MPa) 250°C

🔥 Thermal Stability

• Melting point of 258°C, within standard PA66 processing range.
• HDT of 250°C (1.8 MPa) — top-tier performance for 30% glass fiber reinforced PA66, suitable for high-temperature engine compartment environments.
• Organic heat stabilization system ensures long-term service reliability without heavy metals.

⚡ Electrical Properties

Comparative Tracking Index (CTI) 600 V (Solution A)
CTI Performance Level Category PLC 0 (Highest Level)

Anti-Corrosion Properties

CTI 600V (PLC 0) — Highest comparative tracking index rating, significantly reducing electrolytic corrosion risk.
• In electrical connector applications, low halogen formulation and special stabilizer system effectively inhibit metal terminal corrosion, preventing increased contact resistance and connection failure.

🔥 Burning Behaviour

Flammability (1.5 mm) HB Rating
Burning Rate (FMVSS, Thickness 1 mm) < 100 mm/min

🔧 Processing Conditions

Drying Conditions:
• Drying Temperature/Time: 80°C
• Suggested Max Moisture: 0.2%
• Material is supplied in airtight bags, ready for use. If moisture absorption occurs, dry with dehumidified air equipment (dew point ≤ -20°C) for 2-4 hours.Injection Temperatures:
• Rear Zone: 265 – 275°C
• Middle Zone: 270 – 280°C
• Front Zone: 280 – 290°C

Recommended Mold Temperature:
• 60 – 90°C
• Up to 120°C for high surface quality requirements

🏭 Muccell® Microcellular Foaming Compatibility

TECHNYL STAR AF 219 V30 BK is specifically optimized for Muccell® microcellular foam injection moulding technology. Its ultra-high flowability ensures uniform cell structure formation and excellent surface quality during the foaming process, while achieving 5%-20% density reduction, minimizing warpage, and shortening cycle times — making it an ideal solution for lightweight structural components.

⚠️ Anti-Corrosion Technology Deep Dive

In electrical connector applications, PA66 materials in contact with metal terminals may undergo electrolytic corrosion under humid/hot environments and electric fields. TECHNYL STAR AF 219 V30 BK inhibits corrosion through the following mechanisms:

  • Low Halogen Formulation — Reduces free halide ions, minimizing electrolyte formation risk.
  • Special Stabilizer System — Inhibits acidic degradation byproducts, maintaining near-neutral pH environment.
  • High CTI Value (600V) — PLC 0 highest rating, significantly enhancing tracking resistance.

🔧 Typical Applications

🚗 Automotive Electrical
Connectors, Sensor Housings, ECU Brackets
⚙️ Drivetrain
Pulleys, Tensioners, Belt Wheels
🔌 Electrical/Electronic
Relay Bases, Switch Housings, Insulation Parts
🏭 Lightweight Structures
Muccell® Foamed Components