WPM 3000 BG - Composite, blindside HDPE membrane

Tensile property
Max tensile force ASTM D412: ≥ 28 Mpa
Breaking elongation at HDPE backing ASTM D412: ≥ 700 %
Tear strength around nails: ≥ 550 N
Puncture resistance ASTM E 154: ≥ 1000 N
Water vapour transmission rate ASTM E 96-92: 0 g/sqm/24 hours
Thermal resistance @ 70°C, 2 hours: no displacement, flow or dropping
Low-temperature flexibility ASTM D 1970: no crack at minus 25 Deg C
Water migration: 0.7MPa, no migration
Peeling strength of bonding to poured concrete
ASTM D 903 modified
Clean surface: ≥ 2.0 N/mm
Contaminated surface with cement powder: ≥ 1.5 N/mm
Contaminated surface with mud and sand: ≥ 1.5 N/mm
UV aging: ≥ 1.5 N/mm
Aging test: ≥ 1.5 N/mm
Peeling strength of bonding to poured concrete after being submerged in water: ≥ 1.5 N/mm
Heat aging @ 70°C/168 hours
Tensile retention rate: ≥ 90 %
Elongation retention rate: ≥ 80 %
Low temperature flexibility/ Deg C: no crack at minus 23 Deg C
Stability after heating
Appearance: No crease, flow or dripping
Dimensional variation: ≤ 1.0%

Ardex Endura