PEM Matting Properties
| Property | Average Value | Test Methods |
|---|---|---|
| Water Absorption After 2000hrs UV Exposure |
0.10% 0.20% |
ASTM D570 (24hr immersion) |
| Tear Strength After 2000hrs UV Exposure |
275 lbs/inch 270 lbs/inch |
ASTM D624, Die C |
| Brittleness Temperature After 2000hrs UV Exposure |
-50 deg F -45 deg F |
ASTM D746 |
| Bending Modulus After 2000hrs UV Exposure |
710 PSI 700 PSI |
ASTM D747 |
| Ozone resistance Type "A" specimens under 20% elongation, 10 parts per million ozone, 100°F for 100 Hours |
No cracks visible under 7x magnification | ASTM D-1149-91 |
| Durometer hardness After 2000hrs UV Exposure |
84/78 82/76 |
ASTM D2249 |
| Effect of Alkalies After 2000hrs UV Exposure |
+0.10% change in weight +0.15% change in weight |
CRD-C-572 Sec 7.2 |
| Effect of Alkalies After 2000hrs UV Exposure |
+2.0 Durometer Points +2.5 Durometer Points |
CRD-C-572 Sec 7.2 |
| Tensile Strength After 2000hrs UV Exposure |
2000 psi 2100 psi |
ASTM D412, Die C |
| UV Stability |
No visible chalking Slight discoloration |
ASTM G154, 2000 hours Using UVA - 340 Lamps |
| Weather resistance 2000 hrs. exposure |
Less than 3% loss of properties |
ASTM G-53 |
| National fire protection Association Life Safety Code - Class II Rating |
Critical radiant flux (Watts/cm2) Average 0.37 |
ASTM E-648 NFPA Designation no. 253 |
| Soluble Hazardous Matter | No Compounds Detected | ASTM F963-96a |
| Ultimate Elongation After 2000hrs UV Exposure |
360% 350% |
ASTM D412, Die C |
