Polycarbonate (PC)

Polycarbonate (PC) is a light yellow to clear, transparent, amorphous thermoplastic polymer known for its excellent impact resistance, high optical clarity, and significant dimensional stability. It is insoluble in water but soluble in certain chlorinated solvents. PC is non-corrosive, does not exhibit alkaline nature, and maintains rigidity up to 140°C with toughness down to -20°C. The material is slow-burning and available in special flame-retardant grades. PC is generally resistant to acids but can be sensitive to certain chemicals and UV exposure.

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Product Technical Information

  • Purity: Typically ≥99% (industrial grade)
  • Form: Solid granules, sheets, rods, films, or molded parts
  • CAS No.: 25037-45-0
  • Molecular Formula: C₁₆H₁₈O₅
  • Molecular Weight: 290.32 g/mol

Polycarbonate  Specification Table

Property Value/Range Test Method / Notes
Appearance Clear/light yellow solid Visual
Density 1.20–1.36 g/cm³ ASTM D792
Tensile Strength 60–70 MPa ISO 527
Flexural Strength ~90 MPa ISO 178
Modulus of Elasticity 2,300 MPa (flexural) ISO 178
Notched Impact Strength 60–80 kJ/m² ISO 180/4A
Water Absorption (24h) 0.12% ASTM D570
Melting Point 220–230°C
Maximum Continuous Use Temp 125°C
Solubility Soluble in chlorinated solvents
Refractive Index n20/D 1.586

Downloadable TDS:

A comprehensive Technical Data Sheet (TDS) is available for download, providing detailed mechanical, thermal, and electrical properties, as well as processing guidelines for polystyrene.

Application Sectors and Industries of Polycarbonate 

Automotive:
Polycarbonate is widely used in the automotive industry for manufacturing headlamp lenses, interior and exterior trim components, and glazing. Its high impact resistance and clarity make it ideal for safety and aesthetic applications.

Construction:
PC sheets are used for roofing, skylights, greenhouses, and safety glazing. The material’s transparency, UV resistance (with additives), and robustness provide long-lasting, lightweight solutions in architectural projects.

Electronics:
Due to its electrical insulation properties and dimensional stability, polycarbonate is used in housings for electronic devices, connectors, and compact discs. It ensures durability and safety in consumer and industrial electronics.

Medical Devices:
PC is biocompatible and sterilizable, making it suitable for medical equipment such as surgical instruments, housings, and diagnostic devices. Its clarity aids in visual inspections and monitoring.

Optical Media:
The optical clarity and moldability of PC make it the material of choice for manufacturing CDs, DVDs, and Blu-ray discs, ensuring high fidelity and durability.

Eyewear:
PC is preferred for safety glasses, sports goggles, and optical lenses due to its lightweight nature and high impact resistance, providing both protection and comfort.

Aerospace:
In aerospace, PC is used for aircraft windows, canopies, and interior panels. Its light weight and toughness contribute to overall fuel efficiency and passenger safety.

Lighting:
PC is commonly used in the production of light diffusers, LED covers, and lamp housings. Its high light transmission and heat resistance enhance lighting performance and longevity.

Security and Safety:
Bullet-resistant and shatterproof panels made from PC are employed in banks, vehicles, and secure facilities. The material’s strength and transparency are critical for security glazing.

Household Appliances:
Polycarbonate is used in the manufacture of kitchen appliances, water dispensers, and containers. It offers durability, chemical resistance, and food safety compliance.

Packaging Types

  • 25 kg Bags: Standard for granules and resins, moisture-protected for industrial processing.
  • Bulk Sacks (500–1000 kg): For high-volume manufacturing, suitable for automated feeding systems.
  • Drums: Used for specialty grades or pre-compounded materials, offering secure storage.
  • Custom-Cut Sheets: Supplied on pallets, available in various thicknesses for fabrication and construction.
  • Reels/Rolls: For films and thin sheets, facilitating continuous processing in electronics and packaging industries.

Polycarbonate (PC) stands out as a versatile, high-performance engineering plastic, delivering a balance of strength, clarity, and processability for demanding technical applications across diverse industries. For detailed technical data, safety information, and processing guidelines, please refer to the downloadable TDS.