HR0370 is a high heat resistant ABS formulation that offers significant improvements over general purpose ABS, especially in applications requiring high temperature performance. This grade is designed to prevent deformation in molded products exposed to heat, making it an excellent alternative to standard ABS and certain engineering plastics.
 
Key Features
High Heat Resistance: Offers enhanced performance at high temperatures, reducing the risk of deformation in heat-intensive applications.
Improved Mechanical Properties: Provides robust mechanical strength suitable for demanding applications.
 
Applications
Automotive Interior: Ideal for components like cockpit modules, power window frameworks, switch panels, pull handles, and consoles that require durability under thermal stress.
General High-Temperature Applications: Suitable for any application where heat resistance is crucial to maintain the integrity and functionality of the part.
Processing Guidelines
Drying: Recommended drying in a desiccant dehumidifying hopper dryer with an inlet air dew point of -29°C or lower to achieve a moisture content of 0.1%. Typical drying conditions are 2 hours at 82°-88°C, or 4 hours at 71°-77°C.
 
Typical Properties
Melt Flow Index (200°C/5kg): 1.2 gr/10 min (ASTM D-1238), indicating the material’s flow characteristics during processing.
Izod Impact Strength (Notched): 17 KJ/m² at 23°C (ASTM D-256), demonstrating good toughness.
Vicat Softening Point: 102°C (ASTM D-1525), the temperature at which the polymer begins to soften under a specified load.
Bulk Density: 600 kg/m³, important for calculating shipping and storage requirements.
Tensile Strength at Yield: 450 kgf/cm² (ASTM D-638), showing the material’s strength under tension.
Tensile Strength at Break: 400 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: 35% (ASTM D-638), indicating flexibility.
Flexural Strength at Yield: 600 kgf/cm² (ASTM D-790), reflecting the material’s resistance to bending.
Flexural Modulus: 20,000 kgf/cm² (ASTM D-790), demonstrating the stiffness of the material.
Heat Deflection Temperature (HDT): 84°C at 0.45 MPa (ASTM D-648), showing the temperature at which the material deforms under load.
Rockwell Hardness: 106 (ASTM D-1238), measuring the hardness of the material.
 
Conclusion
High Heat Resistant ABS HR0370 is specifically tailored for applications requiring high-temperature stability and robust mechanical properties. Its superior heat resistance makes it a suitable choice for automotive interiors and other environments where standard ABS might fail due to heat exposure. This makes HR0370 an ideal material for manufacturers seeking reliability and performance in high-temperature conditions.