General Product Data
Product Name Poly(Bisphenol A Carbonate), Polycarbonate (PC)
CAS Number 25037-45-0Synonyms Bisphenol-A polycarbonate; Carbonic acid-4,4'-isopropylidenediphenol polymer
Molecular Formula (C16H14O3)n
Molecular Weight Customized MW range (GPC measured)
Chemical Family Amorphous polycarbonate engineering polymer
Available Grade Injection Molding Pellet; Extrusion Grade; Film Grade; Research Powder Grade
Physical & Chemical Characteristics
Physical form Clear / slight-yellow transparent pellets or fine powder
Odour Odourless
Density 1.20 g/cm³ @23 °CGlass Transition Temperature Tg 145‑155 °C
Vicat Softening Point ≥140 °C
Melt processing temperature 260‑300 °CSolubility Soluble in dichloromethane, chloroform; Insoluble in water, alcohols; attacked by strong alkali & some ketones
Light transmittance (unfilled pellet) ≥88 %
Water absorption (24h,23℃) 0.15‑0.20 %Processing hint Dry before processing; avoid long-term contact with strong alkaline medium, may cause polymer hydrolysis degradation
Quality Requirements
| Test Parameter | Injection‑Molding Grade | Research Powder Grade | Test Method |
|---|---|---|---|
| Melt Flow Rate (300 °C /1.2 kg) | 5‑25 g/10min | ‑ | ISO 1133 |
| Weight‑average Molecular Weight Mw | 20000‑50000 | 30000‑55000 | GPC |
| Moisture Content | ≤0.02 % | ≤0.05 % | Karl‑Fischer Titration |
| Residue on Ignition | ≤0.03 % | ≤0.02 % | Gravimetric |
| Heavy Metals (Pb+Cd+Hg+As) | ≤10 ppm | ≤5 ppm | AAS |
| Notched Izod Impact | 600‑850 J/m | ‑ | ISO 180 |
| Tensile Strength | ≥60 MPa | ‑ | ISO 527 |
Main Functions & Recommended Applications
Electrical & Electronics: Insulation parts, connector, housing for electronic devices, relay components.
Optical Industry: Optical lenses, lighting cover, safety transparent sheet, optical disc substrate.
Automotive & Construction: Automotive transparent parts, anti-impact building glazing, safety protective shield.
Medical Equipment: Autoclavable medical instrument housings, transparent medical accessories (food-medical contact grade upon request).
Polymer Research: Research-grade PC powder for blend composite, membrane material synthesis.
Important note:
Polycarbonate is sensitive to hydrolysis. High-humidity environment or repeated steam sterilization will degrade molecular weight and reduce mechanical performance. End-user shall validate suitability for own formulation and final application. Refer to SDS for full safety guidance.
Logistics & Storage Information
Packaging options: 25 kg PE-inner woven bag / fibre-drum;
Lead-time: bulk order:7-15 working days against deposit.
Shipment modes: sea freight, air freight, international courier.
Storage condition: Keep container tightly closed. Store in cool, dry warehouse, avoid moisture and direct sunlight.
Shelf-life: 24 months under original sealed storage.
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