General Description
E-FR is an Underwriter’s Laboratories approved flame retardant board, multi-ply constructed from unbleached Kraft pulp. The UL 94 Flammability Classification is 94V-0.
E-FR has good mechanical strength, punchability and foldability.
E-FR is available in sheets, strips, rolls and slit coils in thicknesses from .010” and above.
| Fiber Content |
100% Unbleached Kraft Wood Pulp |
| Moisture Content |
7.0% Avg. |
| Standard Thickness, ± 7% |
Inches |
.010 |
.015 |
.020 |
.025 |
.031 |
| Apparent Density, (Air Dry), ± 7% |
g/cc |
1.10 |
1.10 |
1.10 |
1.10 |
1.10 |
| Weight, (Air Dry), ± 7% |
lbs./sq. ft. |
.057 |
.086 |
.114 |
.148 |
.177 |
| Tensile Strength, (Avg.) |
MD lbs./In. |
140 |
250 |
340 |
370 |
550 |
| CMD lbs./In. |
35 |
60 |
90 |
105 |
110 |
| Burst Strength, (Avg.) |
lbs./sq. in. |
110 |
170 |
250 |
300 |
475 |
| Tear Strength, (Avg.) grams |
MD |
215 |
380 |
600 |
800 |
800 |
| CMD |
360 |
625 |
900 |
1000 |
1000 |
| Dielectric Strength, Air, AC, 25˚C-50% RH |
total volts |
2000 |
3000 |
4000 |
5000 |
6000 |
| Dielectric Strength, Air, AC,24 hrs-95% RH |
total volts |
1600 |
1850 |
2500 |
3000 |
|
Click here to download the E-FR Spec Sheet.
“Values shown are typical, are not guaranteed, nor to be used for specifications without approval.”
NOTICE: The above information and data are believed to be accurate and reliable. Windsor-Stevens assumes no responsibility for end-use applications and no performance warranty is expressed or implied.
|
