| EPDM Tolerances & Measurements |
| Detailed Properties |
|
|
| Formulation |
Color |
Special Approvals |
|
WGC45
45 MIL EPDM |
Black |
UL Class A, FM Class 1 |
|
WGC60 60 MIL EPDM |
Black |
UL Class A, FM Class 1 |
| Physical Properties |
ATM Test Method |
Results |
| Width, Inches |
D751 |
-0 / +2.0 |
| Length, Inches |
D751 |
-0 / +6.0 |
| Thickness, Inches |
D751 |
+10% |
| Tensile Strength, Min. psi |
D412 D1E C |
1305 |
| Elongation, Ultimate Min. % |
D412 |
300 |
| Tear Resistance, Min., Lbs / Inch |
D624 DIE C |
150 |
| Linear Dimensional Change, Max.% (168 Hours at 2400 °F ) |
D1204 |
+2 |
| Brittleness Point at -49 °F |
D2137 |
Does not break |
| Ozone Resistance (168 hours / 100 PPHM / 1040 °F / 400 C/505 Ext.) |
D1149 |
No cracks at 7x magnification |
| Water Absorption, Max.% (168 hours at 15 °F / 70 °C) |
D471 |
+8 / -2.0 |
Heat Aging (28 days 240 °F) |
Pin holes |
No holes, comets, or fish eyes more than 1/3 depth of total thickness |
Seams |
2" Min. overlap |
Seam Peel Strength 2 Inch / Min. Crosshead Speed |
15 pli min. |
Seam Sheer Strength 2 Inch / Min. Crosshead Speed |
(Break must be membrane - not seam 30 pli min.) |
|
|
|
|
