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WMP-50
Premium Heavy Duty with Added Abuse Resistance

Meets ASTM C1136, Type I, II, III, IV

FACING COMPOSITION DESCRIPTION VALUES (ENGLISH) VALUES (Metric)
White Film Polypropylene 12.5 lbs / 3000 ft2 20 g / m2
Adhesive Flame Resistant
Reinforcing Tri-directional Fiberglass/Polyester 5 / inch (MD) 5 / inch (XD) 20 / 100 mm (MD) 20 / 100 mm (XD)
Core Proprietary 30 lbs / 3000 ft2 49 gm / m2
Adhesive Polymeric
Film Metallized Polyester 0.0005 inch 12.7 micron
PHYSICAL PROPERTIES TEST METHOD VALUES (ENGLISH) VALUES (Metric)
Basis Weight Scale 32 lbs / 1000 ft2 156 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 120 psi 8.4 kg / cm2
Puncture Resistance ASTM C1136 125 beach units 3.7 Joules
Tensile Strength ASTM C1136 65 lbs/inch width (MD) 60 lbs/inch width (XD) 11.4 kn / m (MD) 10.5 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 ASTN C523 85% 85%
Fire Testing ASTM E84 / UL 723 CAN ULC-S102M BS 476
Polypropylene Side Polyester Side Polypropylene Side Polyester Side
Flame Spread 5 5 5 5 Class 0 Surface
Smoke Developed 30 20 30 20

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

FM Classified C UL US FM Approved