A 1m x 2m x 3mm thick, semi flexible, polypropylene based board, double layered with 3mm integrated perpendicular support spacers at 2mm intervals, to be applied as a protection to the waterproof membrane.
Technical Data
Material
polypropylene
Size
1mx2m
Thickness
3mm
Root resistance
anti root
Tear resistance (ASTM 1004)
10 kg
Water absorption (ASTM 1004)
nil
Resistance to 60% NaOH (ASTM D 543)
not affected
Resistance to 30% NaOH (ASTM D 543)
not affected
Resistance to 30% H2SO4 (ASTM D 543)
not affected
Resistance to 10% HCI (ASTM D 543)
not affected
Resistance to mineral oils (ASTM)
not affected
Linear dimensioning change due to accelerated aging (ASTM D 1204)
