LG Chem XR409H ABS Resin

Physical Properties

• Specific Gravity: Measured per ASTM D792, the specific gravity is 1.06 g/cc (1.06 g/cc), indicating the material’s density relative to water.
• Maximum Moisture Content: For injection molding, the maximum moisture content is 0.010 (unitless) to ensure suitability for manufacturing processes.
• Linear Mold Shrinkage, Flow: As per ASTM D955 at 3.20 mm (0.126 in) thickness, linear shrinkage in the flow direction ranges from 0.0040–0.0070 cm/cm (0.0040–0.0070 in/in).
• Melt Flow: Following ASTM D1238, the melt flow rate is 3.0 g/10 min under a 10.0 kg (22.0 lb) load at 220 °C (428 °F), reflecting processability during molding.

Polymer Properties:

• Base Material: Acrylonitrile Butadiene Styrene (ABS) copolymer.
• Modification Features:
  
  • Optimized for injection molding to produce complex, high-precision switch panel housings.
  • Heat-resistant to maintain stability in automotive interior temperature conditions.
  • Provides a good surface finish for aesthetically appealing interior components.
  • Offers balanced impact resistance against minor knocks and vibrations.

Applications:

• LG Chem XR409H: Tailored for applications where heat resistance and aesthetic quality are critical. Below is a detailed breakdown of its primary applications, supported by data and use-case evidence:
  1. Automotive Components
     Applications: Cockpit modules, door trims, rear lamp housings, and other interior/exterior housing components.
     Rationale: The automotive industry demands materials that withstand elevated temperatures and maintain structural integrity. 
     Data Evidence:
     • Thermal Performance: Specific Heat vs. Temperature data (ISO 11403) confirms stable performance under thermal stress, critical for automotive environments.
     • Mechanical Strength: UL Prospector lists XR409H with balanced tensile strength and impact resistance, suitable for durable automotive components.
       Example: Used in rear combination lamp housings, where heat from bulbs and sunlight exposure requires a VST above 100°C to prevent deformation.
  2. Household Appliances
     Applications: Microwave ovens, hair dryers, and other heat-generating appliances.
     Rationale: XR409H’s high heat resistance ensures safety and longevity in appliances exposed to continuous or intermittent heat.
     Example: In hair dryers, XR409H withstands hot air exposure while maintaining structural integrity and a polished finish.
  3. Electronics and IT Devices
     Applications: Set-top boxes, wireless routers, and other consumer electronics.
     Rationale: Electronics require materials that resist heat from internal components while offering a high-quality surface for branding and user interaction.
     Data Evidence:
     • Thermal Stability: Specific Heat vs. Temperature (ISO 11403) ensures performance in confined spaces with limited ventilation.
     • Surface Quality: Non-painting capability reduces manufacturing steps, as validated by UL Prospector’s application notes.
       Example: Wireless routers, where XR409H maintains dimensional stability under continuous operation and provides a sleek, uncoated exterior.
  4. Safety and Industrial Applications
     Applications: Fire alarms, tractor components.
     Rationale: Safety-critical components like fire alarms require materials that resist heat and maintain functionality in emergency conditions. 
     Data Evidence:
     • Heat Resistance: VST of 116°C supports use in fire alarms exposed to potential high-temperature environments.
     • Impact Strength: Balanced mechanical properties (UL Prospector) ensure durability in agricultural equipment like tractors.
       Example: Fire alarms benefit from XR409H’s ability to maintain structural integrity near heat sources, ensuring operational reliability.