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

WMP-ASJ
Next Generation Pipe Jacketing

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    
Core Proprietary 38 lbs / 300 ft2 62 gm / m2
Adhesive Fire Retardant    
Reinforcing Tri-directional
Fiberglass
5 / inch (MD)
5 / inch (XD)
20 / 100 mm (MD)
20 / 100 mm (XD)
Barrier Coating Polymeric    
Foil Aluminum 0.00025 inch 6.3 micron
PHYSICAL PROPERTIES TEST METHOD VALUES (ENGLISH) VALUES (Metric)
Basis Weight Scale 33 lbs / 1000 ft2 161 gm / m2
Permeance (WVTR) ASTM E96 Procedure A 0.01 perm (grains/hr.ft2.in Hg) 0.57 ng / N.s
Bursting Strength ASTM D774 100  psi 7.0 kg / cm2
Tensile Strength ASTM C1136 75 lbs/inch width (MD)
60 lbs/inch width (XD)
13.1 kn / m (MD)
10.5 kn / m (XD)
Caliper / Thickness Micrometer 0.009 inch 229 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%
Fire Testing ASTM E84 / UL 723 ASTM D2863
Film Side Kraft Side Limiting Oxygen Index (LOI)
Flame Spread 0 0 >31
Smoke Developed 40 0

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

FM Classified C UL US