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PC/ABS (Polycarbonate/Acrylonitrile-Butadiene-Styrene Copolymer) is an engineering plastic material composed of a blend of polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) copolymer. It combines the advantages of both materials, offering good mechanical properties, heat resistance, impact resistance, and processability.

Mechanical Properties and Thermal Performance

  1. Impact Resistance: PC/ABS offers excellent impact resistance, with impact strength typically ranging from 50 to 70 kJ/m². It maintains good toughness in both low-temperature and high-impact environments.
  2. Heat Resistance: The glass transition temperature (Tg) of PC/ABS is around 90°C, with a melting point between 220°C and 250°C. It retains its shape and performance at higher temperatures, making it suitable for high-temperature applications.
  3. Low-Temperature Performance: PC/ABS maintains good mechanical performance at low temperatures, generally usable in environments down to -20°C without becoming brittle.
  4. Chemical Resistance: PC/ABS exhibits good resistance to most acids, bases, and oils, but may be susceptible to certain strong solvents such as chloroform and benzene. Care is required in applications involving these chemicals.

Thermal Properties and Dimensional Stability

  1. Moisture Absorption: The moisture absorption rate of PC/ABS typically ranges from 0.2% to 0.4%. Moisture absorption has minimal impact on dimensional stability, though extreme humidity conditions may cause slight swelling or deformation.
  2. Processability: PC/ABS has excellent processability, with a melt flow rate (MFR) generally between 20 and 50 g/10 min. It is suitable for various processing methods, such as injection molding and extrusion, and can be optimized by adjusting processing parameters.
  3. Heat Deflection Resistance: The heat deflection temperature of PC/ABS is typically between 110°C and 120°C. It maintains good dimensional stability in high-temperature environments, though long-term exposure to high temperatures may affect its performance.

Material Structure and Performance

  1. Structural Characteristics: PC/ABS combines the rigidity of polycarbonate with the toughness of ABS, providing good mechanical strength and toughness. This blend offers excellent overall performance, including outstanding impact resistance and heat resistance.
  2. Modification Treatments: PC/ABS can be further improved with additives or modifiers. For example, UV stabilizers can enhance weather resistance, and flame retardants can improve fire resistance.

Applications

  1. Wide Applications: PC/ABS is widely used in automotive interiors, electronic device housings, home appliances, and other products requiring high strength and good appearance. Its combination of polycarbonate’s transparency and ABS’s processability makes it exceptional in various applications.
  2. Automotive Interiors: PC/ABS is commonly used for automotive interior components such as dashboards and control panels due to its excellent impact resistance and high gloss.
  3. Electronic Device Housings: In electronic products, PC/ABS is used for housings and internal components because of its good heat resistance and impact resistance.

Series Description Download
CAG15V PC/ABS Fire resistance grade+15%GF