Polycarbonate（PC）CAS：25037-45-0
Excellent Processability: Polycarbonate (PC) possesses favorable melt flow characteristics, adaptable to injection molding, extrusion, blow molding and hot pressing forming. Different tailored grades enable it to be fabricated into transparent sheets, electrical enclosures, automotive lamp housings and optical components.
Stable Performance: PC delivers remarkable impact strength and stable dimensional performance. It bears decent heat resistance and insulating properties. It is vulnerable to strong oxidizing substances and some organic solvents such as ketones, which may trigger stress cracking.
Versatile Uses: Commonly adopted for transparent daylighting panels, safety protective covers, automotive lighting parts, electronic casings, optical lenses and medical plastic accessories.
Pellet Form & Non-Hygroscopic Nature: This product is provided as transparent resin pellets. It hardly absorbs moisture and should be kept inside a dry and ventilated warehouse.
Polycarbonate, characterized by the molecular formula (C₁₆H₁₄O₃)ₙ, presents as transparent thermoplastic pellets. It has exceptional impact resistance and low deformation tendency. It includes general, flame-retardant, glass-filled and anti-UV grades. It is insoluble in water, and prone to stress cracking when exposed to ketones and similar organic solvents.
Polycarbonate (PC) Chemical, Physical & Safety Properties
| Item | Specification |
| Melting / softening point | Amorphous, no sharp melting point; Vicat softening 145–150 °C, processing temp 280–320 °C |
| Density | 1.18–1.20 g/cm³ |
| Storage temp | Room temperature, dry and ventilated; pre-dry before processing |
| Solubility | Insoluble in water; soluble in chlorinated solvents such as dichloromethane; attacked by ketones and esters (stress cracking) |
| Form / Color / Odor | Pellet / transparent, colorless to light amber / odorless |
| Mechanical property | Tensile strength 60–70 MPa; elongation at break 80–120%; notched impact very high |
| Moisture sensitivity | Hygroscopic; must be dried (120 °C / 3–4 h) to avoid hydrolysis and bubbles |
| Stability | Stable; avoid strong oxidants, long-term UV/high-temperature exposure; not classified as dangerous goods, no R phrase, avoid dust inhalation and burns from molten material |
| Refractive index | 1.58–1.59 |
| Regulatory & transport | WGK Germany 1; TSCA Yes; HS code 39074000 |
Polycarbonate is a high-performance amorphous engineering plastic. General-purpose PC is applied for transparent sheets, protective covers and common electronic housings; flame-retardant PC is used for electrical components requiring fire resistance; UV-stabilized PC suits outdoor lighting and sun-exposed structural parts.
