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Technical Data - Rubber Specifications
Download: Molded Recycled Rubber Specifications
| Composition |
Recycled Rubber - 100% Binder |
|
| Curb Supports Thickness, Weight |
4", 8.0 lbs./1f. |
|
| Color |
Black |
|
| Tensile Strength |
ASTM D412-92 |
350 psi |
| Hardness |
ASTM D2240-91 |
53 Shore A |
| Flammability |
Meets Federal Flammability Doc FF 1-70 CPSC |
|
| Flame Spread |
(UL 94 Standard, Horizontal Burning test for Classifying Material 94 HB) |
0.495”/Min on ¾” thick mat |
| Dimensional Stability |
+0.242% at two hours @ 60?C-0.092% at 48 hours @ 20?C & 65% Rel.Humidity |
|
| Ultimate Elongation |
ASTM D412-87 |
152% |
| Critical Radiant Flux |
ASTM E648-94a |
0.11 watts/sq.cm. |
| Electrical Resistance |
ASTM D991 |
1.6 x 10 9 megohms average
5.6 x 10 8 megohms average
|
| Electrostatic Propensity |
AATCC Teat Method 134-1991 |
Neg 0.9 KV Maximum Voltage |
| Thermal Resistance |
R-Value |
0.36 per ½” |
| Thermal Resistivity |
|
.72 (all thicknesses) |
| Thermal Conductance |
|
2.78 per ½” – 1.78 per ¾” |
| Thermal Conductivity |
K-Value |
1.39 (all thicknesses) |
| Tear Resistance (ppi) |
ASTM D624-91 |
122 lbs./in. |
| Coefficient of Friction |
ASTM D1894 |
.096 |
| Density KG/m3 |
ASTM C177 |
1039 Relatively Dense |
| Oil/Gasoline |
Submersion |
No Effect |
| Salt |
Exposure |
No Effect |
| UV Aging |
ASTM G23-88 |
No Cracks/Deterioration |
| Compression and Recovery |
ASTM D575 |
Immediate 98.1%
After 24 hours 99.2%
After 48 hours 99.4%
After 72 hours 99.7%
After 96 hours 99.7%
|
| Accelerated Weathering Carbon Arch Weather-ometer |
Fed-Std-191 Method 5804 expect with filters removed. |
Tensile, psi
Unexposed 499
Full Exposure 344
|
Elongation, %
145
70
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