| TEFZEL® Coatings Properties & Statistics |
Film Gauge 50 |
Film Gauge 100 |
Film Gauge 200 |
Film Gauge 500 |
Film Gauge 1000 |
Film Gauge 2000 |
Method |
| Tensile Strength of TEFZEL® Coatings, psi, 25°C minimum |
5000 |
6000 |
6000 |
6000 |
6000 |
6000 |
ASTM D-882 for >/- 10 mil thickness. ASTM D-638 for > 10 mil thickness, 2 inch per minute testing speed. |
| Elongation at Break, % (Minimum) |
175 |
200 |
250 |
250 |
250 |
250 |
Same as above |
| Shrinkage, % (Maximum at 200°C) MD |
±5 |
±5 |
±3 |
±2 |
±2 |
±2 |
Each specimen, 4" x 4" freely suspended in an oven controlled to 200°C ±1°C. |
| Shrinkage, % (Maximum at 200°C) TD |
±5 |
±5 |
±3 |
±2 |
±2 |
±2 |
Exposure time 0.5 hours |
| Tear Strength (g/mil), minimum |
300 |
300 |
400 |
400 |
400 |
400 |
Elmendorf ASTM D-1922 |
| Cementability (Type C film only) Minimum peel strength in g/in. of width |
170 |
300 |
750 |
2000 |
— |
— |
Use DuPont adhesive #68040 on Aldine #1200 aluminum sheet (0.019" thick). Peel Test at 180° angle at peel rate 12 inches/min. 12 inches/min. |
| Dielectric Strength volts/mil, AC minimum |
4000 |
4000 |
3500 |
2500 |
1800 |
1400 |
Avg. of 10 samples testes per ASTM D-149 Method A. Flat sheets in air placed between 1/4" diameter brass electrodes with 1/32" edge radius & subjected to 60 Hz. A.C. voltage rise at 500 volts/sec. to the break voltage. |
| Melt Temperature (Melting Endotherm Peak), °C |
250-270 |
ASTM D-3418 (DTA) |
| Density (g/cm3). 23°C |
1.73-1.77 |
ASTM D-1505 |
| Dielectric Constant (at 25°C, 1000 Hertz), Maximum |
2.7 |
ASTM D-150. Result is average of 5 tests using measured sample thickness. |
| Dissipation Factor (at 25°C, 1000 Hertz), Maximum |
.0008 |
ASTM D-150, same as above |
| Volume Resistivity, ohm-cm. at 170°C, Minimum |
1 x 1017 |
ASTM D-257 |
| Surface Resistivity, ohm (per sq.) at 23°C, 38% R.H. minimum |
1 x 1015 |
ASTM D-257 |
