Material Data Sheet
Material: Tecanat™ GF20
PolycarbonateTecanat™ GF20 is a 20% glass reinforced polycarbonate with higher temperature and tensile properties than the unfilled Tecanat™. Polycarbonate is an amorphous thermoplastic with good electrical properties combined with exceptional strength and moderate chemical resistance.
| Mechanical Properties | Test Method ASTM | Value | Units | ||
| Density | D792 | .0048 | lbs/in3 |
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| Specific Gravity | D792 | 1.33 | g/cc | ||
| Water Absorption @ 24 hours, 73°F | D570 | 0.16 | % | ||
| Water Absorption @ Saturation, 73°F | D570 | 0.29 | % | ||
| Tensile Strength, 73°F | D638 | 16,000 | psi | ||
| Tensile Modulus | D639 | 860,000 | psi | ||
| Elongation ( at break), 73°F | D638 | 5 | % | ||
| Flexural Strength, 73°F | D790 | 19,000 | psi | ||
| Flexural Modulus of Elasticity, 73°F | D790 | 798,000 | psi | Compressive Strength | D695 | psi |
| Izod Impact Strength, 73°F | D256 | 2.06 | ft-lb/in of notch |
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| Rockwell Hardness, 73°F | D785 | M or R Scale | |||
| Shure Hardness | D Scale |
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| Wear Factor Against Steel, 40 psi, 50 fpm | D3702 | 120 X 10-10 | in.3-min/ft.lbs.hr | ||
| Static Coefficient of Friction | D3702 | ||||
| Dynamic Coefficient of Friction, 40 pcs, 50 fpm | D3702 |
.22 | |||
| Thermal Properties | |||||
| Heat Deflection Temperature @ 66 psi | D648 | 298 | °F | ||
| Heat Deflection Temperature @ 264 psi | D648 | 295 | °F | ||
| Coefficient of Linear Thermal Expansion | D696 | 1.5 X 10-5 | in/in./°F | ||
| Continuous Servicing Temperature, Intermittent | 275 | °F | |||
| Continuous Servicing Temperature, Long Term | UL746B |
266 | °F | ||
| Specific Heat | BTU/lb -°F | ||||
| Thermal Conductivity | |||||
| Melting Point | D2133 |
°F | |||
| Flammability | UL94 |
HB | (mm) | ||
| Electrical Properties | |||||
| Surface Resistivity | D257 | ohm/square | |||
| Volume Resistivity | D257 | 1.0 x 1017 | ohm - cm | ||
| Dielectric Strength | D149 | 380 | Volts/mil | ||
| Dielectric Constant, 60 Hz, 73°F, 50% RH | D150 |
3.2 | |||
| Dissipation Factor, 60 HZ, 73°F | D150 | 0.0009 | |||
| *The values shown in these and the following charts are typical, average properties. Actual values may differ due to variations in resin formulations and processing methods. These values are obtained from sources believed to be reliable, including the resin manufactures, converters and other published sources. However, they should not be used for specification or design purposes. |

