| PHYSICAL PROPERTIES |
TEST METHOD |
VALUES (ENGLISH) |
VALUES (METRIC) |
| Basis Weight |
Scale |
26 lbs / 1000 ft² |
127 gm / m² |
| Permeance (WVTR) |
ASTM E96
Procedure A |
0.02 perm(grains/hr.ft².in Hg) |
1.15 ng / N.s |
| Bursting Strength |
ASTM D774 |
70 psi |
4.9 kg / cm² |
| Puncture Resistance |
ASTM C1136 |
105 beach units |
3.1 Joules |
| Tensile Strength |
ASTM C1136 |
55 lbs/inch width (MD)
40 lbs/inch width (XD) |
9.6 kn / m (MD)
7.0 kn / m (XD) |
| Caliper / Thickness |
Micrometer |
0.010 inch |
254 micron |
| Accelerated Aging |
30 Days @95% RH, 120°F (49°C) |
No Corrosion
No Delamination |
No Corrosion
No Delamination |
| Low Temperature Resistance |
ASTM D1790-40°F (-40°C) |
Remains Flexible
No Delamination |
Remains Flexible
No Delamination |
| High Temperature Resistance |
4 hours @240°F (116°C) |
Remains Flexible
No Delamination |
Remains Flexible
No Delamination |
| Water Immersion |
24 hours @ 73°F (23°C) |
No Delamination |
No Delamination |
| Mold Resistance |
ASTM C665 / C1338 |
No Growth |
No Growth |
| Dimensional Stability |
ASTM D1204 |
0.25% |
0.25% |
| Light Reflectance |
ASTM C523 |
85% |
85% |