WMP-VR-R
POLYPROPYLENE / SCRIM / KRAFT
Meets ASTM C1136, Type IV
| FACING COMPOSITION | DESCRIPTION | VALUES (ENGLISH) | VALUES (METRIC) |
| White Film | Polypropylene | 0.0015 inch | 38.1 micron |
| Adhesive | Flame Resistant | 4 / inch (MD) | 16 / 100 mm (MD) |
| Reinforcing | Tri-directional Fiberglass | 4 / inch (XD) | 16 / 100 mm (XD) |
| Film | Metallized Polyester | 0.0005 inch | 12.7 micron |
| PHYSICAL PROPERTIES |
TEST METHOD | VALUES (ENGLISH) | VALUES (METRIC) |
| Basis Weight | Scale | 14 lbs / 1000 ft² | 68 g / m² |
| Permeance (WVTR) | ASTM E96 Procedure A |
0.02 perm (grains/hr.ft².in Hg) |
1.15 ng / N.s |
| Puncture Resistance | ASTM C1136 | 125 beach units | 3.7 Joules |
| Tensile Strength | ASTM C1136 | 35 lbs/inch width (MD) 35 lbs/inch width (XD) |
6.1 kN / m (MD) 6.1 kN / m (XD) |
| Caliper / Thickness | Micrometer | 0.007 inch | 178 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% |
| FIRE TESTING | UL-723 / ASTM E84 | |
| Flame Spread | Smoke Developed | |
| Polypropylene Exposed | 10 | 10 |
| Polyester Exposed | 15 | 5 |
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