Product Specification: WMP-VR
POLYPROPYLENE / SCRIM / KRAFT
Meets ASTM C1136, Type IV
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| FACING COMPOSITION | DESCRIPTION | VALUES (ENGLISH) | VALUES (METRIC) |
| White Film | Polypropylene | 0.0015 inch | 38.1 micron |
| Adhesive | Flame Resistant | ||
| Reinforcing | Tri-directional
Fiberglass/Polyester |
5 / inch (MD) 4 / inch (XD) |
20/ 100mm (MD) 16/ 100mm (XD) |
| Kraft | Natural | 11 lbs / 3000 ft² | 18 g / m² |
| PHYSICAL PROPERTIES | TEST METHOD | VALUES (ENGLISH) | VALUES (METRIC) |
| Basis Weight | Scale | 17lbs / 1000 ft² | 83 g/ m² |
| Permeance (WVTR) | ASTM E96 Procedure A |
0.09 perm (grains/hr.ft².in Hg) | 5.17 ng / N.s |
| Bursting Strength | ASTM D774 | 60 psi | 4.2 kg / cm² |
| Puncture Resistance | ASTM C1136 | 125 beach units | 3.7 Joules |
| Tensile Strength | ASTM C1136 | 40 lbs/inch width (MD) 30 lbs/inch width (XD) | 7.0 kn / m (MD) 5.3 kn / m (XD) |
| Caliper / Thickness | Micrometer | 0.008 inch | 203 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 | ASTM E84 / UL 723 |
CAN ULC-S102M |
BS 476
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Film Side |
Kraft Side |
Film Side |
Kraft Side |
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| Flame Spread |
10 |
15 |
15 |
15 |
Class 0 Surface | |
| Smoke Developed |
10 |
5 |
30 |
45 |
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Physical Properties based upon statistical averages, Weight / Thickness +/- 10%
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