Radici Radiflam A RV250 PA66 Resin

Radici Radiflam A RV250 is a PA66 flame retardant with 25% glass fiber, red phosphorus, and improved impact properties in black.

Physical Properties

  • Density: According to ISO 1183 for injection-molded samples, the material density is measured at 1.37 g/cc (0.0495 lb/in³).
  • Water Absorption: Immersed at 23°C (ISO 62), 2.00 mm thick samples demonstrate a water absorption rate of 5.5%.
  • Moisture Absorption: At 23.0°C and 50% RH (ISO 62), 2.00 mm specimens show a moisture absorption capacity of 1.20%.
  • Linear Mold Shrinkage (Flow): Flow-direction shrinkage, as per ISO 294-4, is recorded as 0.0030 cm/cm (0.0030 in/in) for molded parts.
  • Linear Mold Shrinkage (Transverse): Transverse shrinkage, tested in compliance with ISO 294-4, measures 0.0080 cm/cm (0.0080 in/in).

Polymer Properties:

  • Base Material: PA66
  • Reinforcement: 25% glass fiber
  • Modification Features:
    • Red phosphorus flame retardant for high-demand fire resistance.
    • 25% glass fiber reinforcement for enhanced mechanical stiffness.
    • Black color with improved impact properties for durable components.

Applications:

  1. Electrical and Electronic Components
    • Radiflam A RV250 is widely used in electrical and electronic applications due to its excellent flame retardancy and electrical insulating properties. Specific applications include:
      • Connectors and Housings: The resin’s V-0 rating at 0.75 mm ensures safety in cable connectors and electrical housings, where fire resistance is critical. The halogen- and red phosphorus-free variants (e.g., A RV250 HF 100 NT, A RV250 HF 333 BK) are particularly suited for applications requiring low toxicity and minimal environmental impact.
      • Circuit Breaker Components: The medium stiffness and mechanical resistance provided by 25% glass fiber reinforcement make it ideal for circuit breaker casings and other components that must withstand mechanical stress while maintaining fire safety.
      • Insulating Parts: The good electrical insulating properties of the HF grades ensure reliable performance in high-voltage environments, such as insulators in electronic devices.
    • Data Evidence:
      • UL-94 V-0 Rating: Achieves V-0 at 0.75 mm, indicating no flame spread after ignition, critical for electrical safety.
      • Dielectric Strength: Typical PA66 resins with similar formulations exhibit dielectric strengths of 20-30 kV/mm, ensuring robust insulation.
      • Tensile Strength: Approximately 100-130 MPa (dry, as molded), providing sufficient mechanical strength for durable electronic components.
  2. Automotive Parts
    • The automotive industry leverages Radiflam A RV250 for components requiring flame retardancy, mechanical strength, and durability under harsh conditions. Key applications include:
      • Connectors and Sensor Housings: Used in automotive wiring systems, connectors made from Radiflam A RV250 AF or HF grades offer flame retardancy and resistance to thermal cycling. The material’s medium stiffness ensures dimensional stability under mechanical stress.
      • Under-the-Hood Components: The resin’s ability to withstand high temperatures and mechanical loads makes it suitable for parts like fuse boxes and battery housings.
      • Metal Replacement Applications: RadiciGroup’s CAE services highlight Radiflam A RV250’s use in replacing metal components, reducing weight while maintaining strength and fire resistance.
    • Data Evidence:
      • Tensile Modulus: Approximately 7,000-9,000 MPa (dry, as molded), indicating high stiffness suitable for structural automotive parts.
      • Heat Deflection Temperature (HDT): Typically 230-250°C at 1.8 MPa, ensuring performance in high-temperature environments.
      • UL 746C Compliance: Suitable for outdoor use with respect to UV light and water exposure, as noted for A RV250 AF(k)(f1).
  3. Domestic Appliances
    • Radiflam A RV250 is employed in household appliances where fire safety and mechanical reliability are paramount. Applications include:
      • Appliance Housings: Used in components for washing machines, dryers, and kitchen appliances, where the V-0 rating and improved GWIT ensure safety during operation. The A RV500 AF 821 BR variant, with 50% glass fiber, is specifically noted for domestic appliances requiring higher stiffness.
      • Electrical Components: Parts like switches and terminal blocks benefit from the resin’s flame retardancy and electrical insulation properties.
      • Consumer Electronics: The material’s dyeable nature (HF grades) allows for aesthetic flexibility in visible components, such as remote control casings.
    • Data Evidence:
      • Glow Wire Ignition Temperature (GWIT): Improved GWIT (e.g., 775°C at 2 mm for similar grades) ensures resistance to ignition from overheated wires.
      • Impact Strength: Notched Izod impact strength of approximately 5-8 kJ/m² (dry, as molded), providing durability against accidental impacts.
      • Flame Retardancy: V-0 rating at 0.75 mm ensures compliance with appliance safety standards.
  4. Industrial and Construction Safety Parts
    • In industrial and construction applications, Radiflam A RV250 is used for components requiring robust mechanical properties and fire resistance. Applications include:
      • Safety Equipment Housings: Used in fire-resistant enclosures for industrial control systems, benefiting from the resin’s V-0 rating and mechanical strength.
      • Structural Components: The 25% glass fiber reinforcement provides sufficient stiffness for brackets and supports in construction applications.
      • Cable Management Systems: Flame-retardant cable ties and conduits made from Radiflam A RV250 ensure safety in industrial wiring systems.
    • Data Evidence:
    • Flexural Strength: Approximately 150-200 MPa, supporting load-bearing applications in industrial settings.
    • Flame Retardancy: V-0 at 0.75 mm, critical for safety-critical components in industrial environments.
    • Density: Approximately 1.35-1.40 g/cm³, offering a balance of strength and lightweight properties for construction applications.

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