Matting Properties
| ORIGINAL PHYSICAL PROPERTIES, ASTM D 412, D 2240 | |
|---|---|
| Die C dumbbells tested at 20in/min. | |
| Results | |
| Durometer A, points | 85 |
| Tensile Strength, psi | 2089 |
| Ultimate Elongation, % | 370 |
| 100% Modulus, psi | 1117 |
| 300% Modulus, psi | 1848 |
| TEAR RESISTANCE, ASTM D 624, DIE C | |
|---|---|
| Specimens tested at 20 in/min. | |
| Results | |
| Tear Strength, ppi | |
| As Received | 284 |
| After QUV Aging | 244 |
| Water Absorption, ASTM D 570 | |
|---|---|
| Specimens immersed 24 hrs. @ 23° C in distilled water | |
| Average of three specimens reported | |
| Results | |
| Absorption, % | |
| As Received | -0.019 |
| After QUV Aging | 1.78 |
| EFFECT OF ALKALIES, CRD-C-572 SECTION 7.2^ | |
|---|---|
| Specimens immersed 7 days @ 23° C in the fluid mixture listed in Para. 7.2, then removed, rinsed and allowed to dry for 1 hr. @ 23° C | |
| Results | |
| Durometer, point change | |
| As Received | -7 |
| After QUV Aging | -5 |
| Weight Change, % | |
| As Received | +0.13 |
| After QUV Aging | +2.25 |
| QUV WEATHERING, ASTM G 154 | |
|---|---|
| Procedure: Specimens exposed 2,000 hrs. per cycle #1 of table X2. 1. | |
| UV Lamp: UVA-340 | |
| Chamber Temperature: 60°C light / 50°C Condensation | |
| Program Cycle: 8hrs. UV Light / 4 hrs. Condensation | |
| Results | |
| Type A Durometer, points | 86 |
| Tensile Strength, psi | 1347 |
| Ultimate Elongation, % | 210 |
| 100% Modulus, psi | 1145 |
| LOW TEMPERATURE BRITTLENESS, ASTM D 746 | |
|---|---|
| Ten 1 ¼” x ¼” specimens conditioned 3 min. in methanol. | |
| Results | |
| Brittlepoint, °C | |
| As Received | -38.2 |
| After QUV Aging | 0 |
| APPARENT BENDING MODULUS, ASTM D 747^ | |
|---|---|
| Five specimens, approximately 0.5 inches x 2 inches were tested. | |
| Apparatus: Tinius Olsen Stiffness tester | |
| Cantilever Beam procedure conditions: | |
| Readings were performed at 3°, 6°, 9°, 12°, and 15°. | |
| 0.1 In-lb moment weight | |
| 2 in. span | |
| Span to depth ratio was approximately 29:1 | |
| Average of five specimens reported | |
| Testing was outsourced to an accredited lab. | |
| Results | |
| Apparent Bending Modulus, psi | |
| As Received | 1893 |
| After QUV Aging | 3010 |