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WMP-VR
POLYPROPYLENE / SCRIM / KRAFT
Meets ASTM C1136, Type IV
Contents: [Facing Composition] [Physical
Properties] [Fire Testing]
(click for PDF format)
| 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 |
UL
723 / ASTM E84 |
CAN
ULC-S102M |
BRITISH
STANDARD 476 |
Flame
Spread |
Smoke
Developed |
Flame
Spread |
Smoke
Developed |
Parts 6 and
7
Summary Report |
| Film Exposed |
10 |
10 |
15 |
30 |
Class 0 Surface |
| Kraft Exposed |
15 |
5 |
15 |
45 |
|
Physical Properties based upon statistical
averages, Weight / Thickness +/- 10%
|
