PC (Polycarbonate) Material Properties
Mechanical Properties
- Outstanding impact strength
- High tensile strength: 60-70 MPa
- Excellent dimensional stability
- Good creep resistance
- High flexural strength
- Superior crack resistance
PC (Polycarbonate) Thermal Properties
- Heat deflection temperature: 130-140°C
- Continuous service temperature: up to 120°C
- Good flame resistance
- Low thermal expansion
PC (Polycarbonate) Processing Properties
- Good flow properties
- Processing temperature: 280-320°C
- Suitable for precision molding
- Good for multi-cavity tools
- Excellent for optical applications
- Low mold shrinkage (0.5-0.7%)
PC (Polycarbonate) Parts Manufacturing Processes
Injection Molding
ExcellentAdvantages
- High optical clarity
- Tight tolerances
- Complex shapes possible
- High production rates
Key Parameters
melt temperature: 280-320°C
mold temperature: 80-120°C
injection pressure: 70-120 MPa
CNC Machining
Very GoodAdvantages
- Excellent surface finish
- High accuracy
- Good for optical parts
- No internal stress
Key Parameters
cutting speed: 200-300 m/min
feed rate: 0.05-0.15 mm/rev
tool type: Diamond-coated tools
3D Printing
ModerateAdvantages
- Transparent parts possible
- Good strength
- Complex geometries
- Fast prototyping
Key Parameters
nozzle temperature: 270-310°C
bed temperature: 100-120°C
layer height: 0.1-0.2mm
PC (Polycarbonate) Technical Specifications
density
1.20 g/cm³
water absorption
0.15%
tensile strength
60-70 MPa
flexural modulus
2300-2400 MPa
impact strength
600-850 J/m
heat deflection
130-140°C
light transmission
89%
refractive index
1.586
Processing Guidelines
molding temperature
280-320°C
mold temperature
80-120°C
drying conditions
120°C for 4-6 hours
injection pressure
70-120 MPa
recommended thickness
1.5-3.5 mm
PC (Polycarbonate) Parts Industry Applications
Optical Applications
- LED lenses
- Optical discs
- Protective eyewear
- Light guides
Medical Equipment
- Surgical instruments
- Medical device housings
- Sterilizable components
- Transparent containers
Industrial Components
- Safety shields
- Machine guards
- Electrical components
- Precision parts