General Description
FRP is an Underwriter’s Laboratories approved flame retardent board, multi-ply constructed from unbleached Kraft pulp. The UL 94 Flammability Classification is 94V-0.
FRP has good mechanical strength, punchability and foldability.
FRP is available in sheets, strips, rolls and slit coils in thicknesses from .010” to .062”. Above .062” available only in sheets and strips.
PHYSICAL, ELECTRICAL AND CHEMICAL PROPERTIES:
| 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. |
190 |
285 |
390 |
470 |
550 |
| CMD lbs./In. |
35 |
60 |
75 |
95 |
110 |
| Burst Strength, (Avg.) |
lbs./sq. in. |
135 |
245 |
310 |
390 |
460 |
| Tear Strength, (Avg.) grams |
MD |
215 |
380 |
520 |
700 |
800 |
| CMD |
360 |
625 |
765 |
850 |
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CAUTION: FRP IS NOT TO BE USED AS ELECTRICAL INSULATION
Click here to download the FRP 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.
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