KYNAR® 740 PVDF natural
KYNAR® PVDF is a highly chemically resistant crystalline thermoplastic. It is used extensively in the chemical processing industry by users looking for plastic chemical resistance. The material is also chosen because of its unique properties which include outstanding chemical and solvent resistance, good corrosion resistance, good thermal stability, outstanding UV resistance, and low flammability.
Facts
Chemical Designation
PVDF (Polyvinylidene fluoride)
Color
white translucent
Density
1.78 g/cm3
PVDF (Polyvinylidene fluoride)
Color
white translucent
Density
1.78 g/cm3
Features
- excellent chemical resistance
- inherent flame resistance
- high gamma radiation resistance
- good UV and weather resistance
- good mechanical properties
- low moisture absorption
- good machinability
Industries
chemical plant engineering
process engineering
medical technology
cleanroom technology
process engineering
medical technology
cleanroom technology
Show/Hide Mechanical Properties
| Description | value | unit | condition | test method |
| Modulus of elasticity (tensile test) | 300,000 | psi | @ 73 °F | ASTM D 638 |
| Tensile strength at yield | 8,000 | psi | @ 73 °F | ASTM D 638 |
| Tensile strength at break | 8,000 | psi | @ 73 °F | ASTM D 638 |
| Elongation at break (tensile test) | 35 | % | @ 73 °F | ASTM D 638 |
| Flexural strength | 13,000 | psi | @ 73 °F | ASTM D 790 |
| Modulus of elasticity (flexural test) | 400,000 | psi | @ 73 °F | ASTM D 790 |
| Compression strength | 10,500 | psi | @ 73 °F, 10% strain | ASTM D 695 |
| Compression strength | 1,200 | psi | @ 73 °F, 1% strain | ASTM D 695 |
| Compression modulus | 160,000 | psi | @ 73 °F | ASTM D 695 |
| Impact strength (Izod) | 1.9 | ft-lbs/in | @ 73 °F | ASTM D 256 |
| Rockwell hardness | 79 | M Scale | ASTM D 785 |
Show/Hide Thermal Properties
| Description | value | unit | condition | test method |
| Melting temperature | 342 | °F | ||
| Deflection temperature | 221-239 | °F | @ 264 psi | ASTM D 648 |
| Deflection temperature | 257-284 | °F | @ 66 psi | ASTM D 648 |
| Service temperature | 300 | °F | Long Term | |
| Thermal expansion (CLTE) | 7.3*10-5 | in/in/°F | ASTM D 696 | |
| Specific heat | 0.28-0.36 | BTU/lb-°F | *** new *** | |
| Thermal conductivity | 1.18-1.32 | BTU-in/hr-ft2 -°F | ASTM C 177 |
Show/Hide Electrical Properties
| Description | value | unit | condition | test method |
| Volume resistance | 2*1014 | Ω*cm | @ 73 °F, 65% RH | ASTM D 257 |
| Dielectric strength | 1700 | V/mil | ASTM D 149 | |
| Dissipation factor | 0.01-0.21 | @ 100 Hz, 73 °F | ASTM D 150 | |
| Dielectric constant | 4.5 | @ 100 MHz, 73 °F | ASTM D 150 |
Show/Hide Other Properties
| Description | value | unit | condition | test method |
| Moisture absorption | 0.02 | % | @ 24 hrs, 73 °F | ASTM D 570 |
| Flammability (UL94) | V0 |
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