Separating and protecting layer made of polypropylene knin. It is used to level the ground and as a geotextile protective layer under sheets of waterproofing membranes, for use in tunnels and other underground facilities.

Features

• aging resistance
• optimized tensile strength and elongation
• resistance to all media naturally occurring in groundwater and soil
• can be used in contact with soft water (aggressive towards concrete)
• flexibility at low temperatures
• can be installed on damp and wet surfaces

Technical data

• knin fabric in a roll, wrapped with PE foil, structured surface
• material thickness 4.0 (0.4) mm
• White color
• unit weight 0.500 kg / m ²
• mass per unit area 500 (50) g / m ²
• puncture resistance (static) 5000 (500) N
• resistance to dynamic perforation 2.0 mm
• long-term compressive strength 16 900 (2000) kN / m ²
• tensile strength 21.0 (-2.1) kN / m; 25.0 (-2.5) kN / m
• elongation 60% (15) MD, 80% (20) CMD
• reaction to fire Class E
• water permeability 3.0 10-2 (1.0 10-2) m / s
• maximum liquid temperature +32 ° C
• 50 m ² roll, length 25 m, width 2 m