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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 0.0015 inch 38.1 micron
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
Film Side Kraft Side Film Side Kraft 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