ABS HR2340 is a high-performance styrenic terpolymer designed for applications requiring improved toughness and heat resistance. This grade is characterized by its low shrinkage and excellent dimensional stability, making it suitable for a wide range of general injection molding applications.
 
Key Features
Improved Toughness and Heat Resistance: Provides enhanced durability compared to HIPS grades, making it suitable for demanding environments.
Low Shrinkage: Ensures minimal dimensional changes during cooling, which is critical for maintaining the precision of molded parts.
Good Dimensional Stability: Maintains the integrity of product dimensions throughout their use, crucial for functional and aesthetic components.
 
Applications
Furniture: Ideal for manufacturing robust furniture components that require a high-quality finish.
Automotive Parts: Suitable for various interior and exterior automotive components that require durability and thermal resistance.
General Injection Molding: Adaptable to a broad range of products requiring precise molding capabilities.
Appliance Casing and Home Appliances: Perfect for appliance housings that must withstand operational heat and mechanical stress.
 
Processing Guidelines
Drying: Recommended drying in a desiccant dehumidifying hopper dryer at 180°-190°F (82°-88°C) for 2 hours to achieve a moisture content of 0.1%. Alternatively, drying at 160°-170°F (71°-77°C) for 4 hours is also sufficient.
 
Typical Properties
Melt Flow Index (200°C/5kg): 1 g/10 min (ASTM D-1238), indicating the material’s flow characteristics during processing.
Izod Impact Strength (Notched): 40 KJ/m² at 23°C (ASTM D-256), demonstrating excellent toughness.
Vicat Softening Point: 112°C under a 50N load (ASTM D-1525), the temperature at which the polymer begins to soften.
Bulk Density: 600 kg/m³, important for handling and storage calculations.
Tensile Strength at Yield: 480 kgf/cm² (ASTM D-638), showing the material’s strength under tension.
Tensile Strength at Break: 470 kgf/cm² (ASTM D-638), indicating how much stress the material can withstand before breaking.
Elongation at Yield: 4% (ASTM D-638), measuring the deformation before yielding.
Elongation at Break: 110% (ASTM D-638), indicating high flexibility.
Flexural Strength at Yield: 600 kgf/cm² (ASTM D-790), reflecting the material’s resistance to bending.
Flexural Modulus: 22000 kgf/cm² (ASTM D-790), demonstrating the stiffness of the material.
Heat Deflection Temperature (HDT): 94°C at 0.45 MPa (ASTM D-648), showing the temperature at which the material deforms under load.
Rockwell Hardness: 110 (ASTM D-1238), measuring the hardness of the material.
 
Conclusion
ABS HR2340 is engineered for manufacturers looking for a reliable and efficient material for their injection molding needs. With its superior toughness, low shrinkage, and excellent dimensional stability, HR2340 is a versatile choice for applications across furniture, automotive, and appliance sectors, among others.