CNC machining in Polycarbonate (PC) | Manufacturing Materials

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Polycarbonate (PC)

4.8 (10 Reviews) 18 orders

Material type: Plastic, Heat resistant, Weather resistant

Polycarbonate (PC) is a thermoplastic with high toughness, excellent impact strength and good machinability. If the plate exceeds a certain thickness (approximately over 15-20mm), it will turn blue transparent due to the optical properties of the material. The thicker the thickness, the darker the blue color.

Process compatibility

CNC Milling CNC Turning

Material Color

Transparent to bluish-purple (increasing thickness)

White

Black

Material advantages

PC has high strength and elasticity coefficient, high impact strength, wide operating temperature range; high transparency and free dyeability; low molding shrinkage, good dimensional stability; good weather resistance; excellent electrical properties; tasteless and odorless Hazards comply with health and safety.

Material shortcomings

Heavy weight, poor thermal conductivity; poor fatigue strength, prone to stress cracking; poor wear resistance.

Recommended description

Polycarbonate is one of the most widely used thermoplastic materials. It is the preferred choice of many designers and engineers because it provides design freedom, capability to maintain color and strength over time.

Properties

Name
Tensile strength	72.4 MPa
Yield strength	70 MPa
Modulus of elasticity	2.44 GPa
Elongation at break	50 - 120 %
Hardness	21.7 HV
Maximum service temperature	144 °C
Thermal expansion coefficent	137 10^-6 ºC
Thermal conductivity	0.218 W/(m⋅°C)