800-852-6832 | 5010 River Rd. Mt. Bethel, PA 18343

WMP-VR-R PLUS
Low Cost Standard Duty

Meets ASTM C1136, Type II, IV

FACING COMPOSITION DESCRIPTION VALUES (ENGLISH) VALUES (Metric)
White Film Polypropylene 0.0015 inch 38.1 Micron
Adhesive Flame Resistant    
Reinforcing Tri-directional
Fiberglass
4 / inch (MD)
4 / inch (XD)
16 / 100 mm (MD)
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 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 100 psi 7.0 kg / cm2
Tensile Strength ASTM C1136 35 lbs/inch width (MD)
35 lbs/inch width (XD)
.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 ASTM E84 / UL 723 CAN ULC-S102M BS 476
Film Side Kraft Side Film Side Kraft Side
Flame Spread 10 10 10 10 Class 0 Surface
Smoke Developed 35 40 50 40

Physical Properties based upon statistical averages, Weight / Thickness +/- 10%

FM Classified C UL US FM Approved