Polycarbonate Sheet
Polycarbonate sheets are robust, transparent thermoplastic materials renowned for their impressive strength, versatility, and impact resistance. These sheets are utilized across various industries and applications, ranging from construction and manufacturing to signage and security. Polycarbonate's exceptional impact resistance, often compared to that of bulletproof glass, makes it an ideal choice for protective barriers, windows, and skylights. These sheets offer excellent UV resistance and weatherability, making them suitable for both indoor and outdoor use. Polycarbonate sheets can be easily fabricated, including cutting, bending, and thermoforming, allowing for customized designs. Their remarkable combination of durability and optical clarity makes them a popular choice in diverse sectors.
Technical Property Chart
|
TYPICAL PROPERTIES of POLYCARBONATE |
|||
|
ASTM or UL test |
Property |
Unfilled |
30% Glass |
|
PHYSICAL |
|||
|
D792 |
Density (lb/in³) (g/cm³) |
0.043 1.2 |
0.052 1.43 |
|
D570 |
Water Absorption, 24 hrs (%) |
0.12 |
0.12 |
|
MECHANICAL |
|||
|
D638 |
Tensile Strength (psi) |
9,500 |
19,000 |
|
D638 |
Tensile Modulus (psi) |
320,000 |
- |
|
D638 |
Tensile Elongation at Break (%) |
60 |
10 |
|
D790 |
Flexural Strength (psi) |
15,000 |
23,000 |
|
D790 |
Flexural Modulus (psi) |
375,000 |
1,100,000 |
|
D695 |
Compressive Strength (psi) |
12,000 |
18,000 |
|
D695 |
Compressive Modulus (psi) |
240,000 |
500,000 |
|
D785 |
Hardness, Rockwell |
M70 / R118 |
M92 |
|
D256 |
IZOD Notched Impact (ft-lb/in) |
13 |
2 |
|
THERMAL |
|||
|
D696 |
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) |
3.9 |
1.2 |
|
D648 |
Heat Deflection Temp (°F / °C) at 264 psi |
270 / 132 |
295 / 146 |
|
D3418 |
Glass Transition Temp (°F / °C) |
293 / 145 |
300 / 149 |
|
- |
Max Operating Temp (°F / °C) |
250 / 121 |
270 / 132 |
|
C177 |
Thermal Conductivity (BTU-in/ft²-hr-°F) (x 10-4 cal/cm-sec-°C) |
1.3 6.9 |
1.3 6.9 |
|
UL94 |
Flammability Rating @ less than .45" (11.5mm) thickness @ .45" (11.5mm) thickness and above |
H-B V-0 |
H-B V-0 |
|
ELECTRICAL |
|||
|
D149 |
Dielectric Strength (V/mil) short time, 1/8" thick |
390 |
470 |
|
D150 |
Dielectric Constant at 60 Hz |
3.17 |
3.35 |
|
D150 |
Dissipation Factor at 60 Hz |
0.0009 |
0.0011 |
|
D257 |
Volume Resistivity (ohm-cm)at 50% RH |
1016 |
1016 |