Kynar ® PVDF (PolyVinyliDene Fluoride)
Specifications
TECHNICAL DESCRIPTION
Kynar ® is a high molecular weight
crystalline thermoplastic polymer of vinylidene fluoride -- PolyVinyliDene
Fluoride or PVDF.
see also datasheets for:
Static-Control PVDF
|
Flame-Retardant Kynar PVDF
GENERAL PROPERTIES
Kynar ® has excellent corrosion and
chemical resistance and performs in many applications up to 300°F (149°C).
It is used extensively in chemical processing applications because of its
unique combination of properties. Kynar ® PVDF
possesses excellent chemical resistance, is tough and durable, and is easily
fabricated into finished parts.
KEY PROPERTIES
• Good thermal stability • High tensile strength • High impact
resistance • Excellent UV resistance • Extremely high purity
AGENCY / REGULATORY CONSIDERATIONS
When specified , PVDF stock shapes may be made from Kynar
® 740 resin which complies with FDA regulation 21
CFR 177.2510, USDA, USP XX Class VI, 3A sanitary standards and meets ASTM
D3222 resin specifications.
TYPICAL APPLICATIONS
• Tanks & Process Equipment • Tank Linings • Pump & Valve
Components • Pipe Flanges & Spacers • Components for Wet Process Stations •
Food Trays for High Heat Applications
| TYPICAL PROPERTIES of KYNAR ®
PVDF |
| ASTM or UL test |
Property |
Kynar ® PVDF |
| PHYSICAL |
| D792 |
Density (lb/in³)
(g/cm³) |
0.064
1.77 |
| D570 |
Water Absorption, 24 hrs (%) |
0.03 |
| MECHANICAL |
| D638 |
Tensile Strength (psi) |
6,300 |
| D638 |
Tensile Modulus (psi) |
290,000 |
| D638 |
Tensile Elongation at Break (%) |
50 |
| D790 |
Flexural Strength (psi) |
9,700 |
| D790 |
Flexural Modulus (psi) |
290,000 |
| D695 |
Compressive Strength (psi) |
9,000 |
| D695 |
Compressive Modulus (psi) |
- |
| D2240 |
Hardness, Shore |
D75 |
| D256 |
IZOD Notched Impact (ft-lb/in) |
3.0 |
| THERMAL |
| D696 |
Coefficient of Linear Thermal Expansion
(x 10 -5 in./in./°F) |
6.6 |
| D648 |
Heat Deflection Temp (°F / °C)
at 264 psi |
230 / 110 |
| D3418 |
Melting Temp (°F / °C) |
332 / 166 |
| - |
Max Operating Temp (°F / °C) |
275 / 130 |
| C177 |
Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10 -4 cal/cm-sec-°C) |
1.2
4.1 |
| UL94 |
Flammability Rating |
V-O |
| ELECTRICAL |
| D149 |
Dielectric Strength (V/mil) short time, 1/8" thick |
1700 |
| D150 |
Dielectric Constant at 1 MHz |
8.5 |
| D150 |
Dissipation Factor at 1 MHz |
0.05 |
| D257 |
Volume Resistivity (ohm-cm)at 50% RH |
1.5 x 10 15 |
NOTE: The information contained herein are typical values intended
for reference and comparison purposes only. They should NOT be used as a
basis for design specifications or quality control. Contact us for
manufacturers' complete material property datasheets.
All values at 73°F (23°C) unless otherwise noted.
KYNAR is a registered trademark of Elf Atochem North
America.
