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PC (Polycarbonate) is a high-performance thermoplastic engineering plastic produced by step-growth polymerization of bisphenol A (BPA) and phosgene. It appears transparent or translucent with outstanding toughness and extremely high impact resistance, along with excellent light transmittance and heat resistance. It can be repeatedly melted and remolded.
Leveraging its combined advantages of light weight, strength, transparency, and insulation, PC can be processed into complex irregular structures that are difficult to achieve with traditional methods. It is often used as a substitute for glass and some metal materials, widely applied in the production of functional components with high requirements for strength, heat resistance, and light transmission.
Impact resistance far exceeds conventional filaments with ample toughness — does not shatter under impact or external compression, suitable for protective and high-load functional parts
Outstanding heat resistance while tolerating grease and most common solvents, adaptable to complex working conditions
Good insulating capability makes it an ideal material for electronic and electrical accessories
Leveraging 3D printing technology, it can produce workpieces with internal flow channels, lattice structures, and complex internal cavities — supporting small-batch customization and rapid product iteration
Overall lightweight material with lower weight than metal components, and the material itself supports recycling and reuse
Excellent toughness — does not crack or shatter under impact or repeated stress; the first choice for protective components
High optical clarity for creating transparent parts, lenses, and protective panels
Maintains structural integrity and dimensional stability in high-temperature environments
Good tolerance to grease and most industrial solvents
Suitable for insulating accessories in various electronic and electrical equipment
Minimal deformation under temperature fluctuations, ensuring finished part accuracy
A recyclable thermoplastic material with high resource utilization
| Feature | Description | Impact |
|---|---|---|
| Poor scratch resistance | Surface is highly susceptible to scratches that directly compromise light transmittance and appearance | Additional scratch-resistant coating usually required |
| Significant moisture absorption | Absorbs moisture from air easily; affects print quality when damp | Strict drying required before storage and printing |
| High equipment requirements | High melting point requiring 290-300°C extrusion temperature; stringent heated bed and chamber temperature control | Not compatible with entry-level printers |
| Prone to warping, poor adhesion | High thermal shrinkage rate; severe warping occurs with improper temperature control; first layer struggles to adhere to print bed | Must be used with enclosed chamber |
| Higher cost | Raw material and finished filament prices exceed most filaments including PLA, ABS, and PA | Mainly used in mid-to-high-end applications |
| Not biodegradable | Difficult to decompose in natural environments; discarded material can cause plastic pollution | Proper recycling and disposal required |
Provides stable and excellent anti-static performance on top of high strength and heat resistance, suitable for engineering-grade components used in high-temperature working conditions and long-term applications. Currently the most comprehensively performant option available.
A high-temperature polycarbonate specifically designed for higher temperature environments, with a heat deflection temperature of up to 113.6°C (per PC-HT TDS), meeting more demanding heat resistance requirements.
eSUN is developing halogen-free flame-retardant PC material that maintains PC's high impact resistance and high light transmittance advantages while achieving safe and environmentally friendly flame retardancy, meeting the strict fire safety requirements of the electronics and electrical industries.
| Industry | Typical Applications |
|---|---|
| Automotive | Automotive headlight lenses, vehicle transparent accessories, interior functional structural parts, small body protective components |
| Electronics & Electrical | Electrical housings, lighting transparent accessories, insulating components, equipment transparent protective covers |
| Safety & PPE | Protective goggles, safety face shields, protective helmets, and various safety protective products |
| Aerospace | Lightweight structural parts, airborne equipment protective housings, aviation transparent windows |
| Outdoor & Consumer Goods | Sports helmets, carabiners, eyeglass frames, transparent decorative parts |
Compared with: PETG, ABS
| Dimension | PC | PETG | ABS |
|---|---|---|---|
| Impact Resistance | Top-tier; does not shatter under strong impact; strongest protective performance | Good, but inferior to PC | Moderate; more brittle than PC |
| Light Transmission | Top-tier optical clarity; capable of replacing glass | Semi-transparent; moderate light transmittance | Opaque |
| Heat Resistance | Heat deflection temperature 80°C (PC-HT up to 113.6°C) | Heat deflection temperature 64°C | Heat deflection temperature 78°C |
| Print Difficulty | Extremely high (290-300°C extrusion + enclosed chamber) | Low (easy to print, beginner-friendly) | High (enclosed chamber + high-temp heated bed required) |
| Cost | High | Low | Moderate |
| Parameter | Recommended | Notes |
|---|---|---|
| Drying Temperature / Time | 70°C / >6h | Strict pre-drying required before printing |
| Extrusion Temperature | 290 - 300°C | High-temperature extrusion equipment required |
| Heated Bed Temperature | 100 - 110°C | High-temp bed used with adhesive |
| Chamber Temperature | Enclosed & insulated | Enclosed chamber printer required |
| Cooling Fan | Off or very low | Avoid interlayer cracking |
| Print Speed | 20 - 50 mm/s | Slower speeds recommended for quality |
| Dry Storage | Sealed dry storage | Recommended to use with eBOX filament box |