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TeMa – TEX NW STRUCTURE: TeMa-TEX W is a Polyester (rPET), continuous filament, needle-punched nonwoven Geotextile. Functions: Filtration, Drainage, Separation, Protection & Reinforcement MECHANICAL PROPERTIES NW1 NW2 NW3 NW4 NW5 NW6 NW7 NW8 NW10 Thickness Under 2 kPa mm 1.2 1.4 1.6 1.8 2.6 3.1 4.4 5.2 6.4 SANS 9863-1 Tensile Strength (Ultimate) Weaker Direction kN/ m 7.8 9.0 11.5 14.0 19.5 26.0 40.0 50.0 56.0 SANS 1525 / EN ISO 10319 Elongation % 50 - 70 Static Puncture Strength CBR kN 1.5 1.9 2.2 2.7 3.6 4.8 7.1 9.5 11.7 SANS 12236 Puncture Resistance Diameters of hole (Max) mm 30 27 25 19 16 13 8 6 3 SANS 13433 Trapezoidal Tear Strength Weaker Direction N 240 320 375 440 600 800 1200 1600 2100 ASTM D4533 Grab Strength Weaker Direction N 500 600 730 900 1250 1550 2500 3260 4700 ASTM D4632 Elongation % 50 - 80 UV Stability 70% strength retained after 1000 hours ASTM D4355 HYDRAULIC PROPERTIES Normal Throughflow @50mm head l/s/m 2 200 150 125 100 80 70 45 30 20 SANS 11058 Flow Velocity Calculation based on throughflow & thickness m/s 0.2 0.15 0.13 0.10 0.08 0.07 0.05 0.03 0.020 Permeability x10 -3 m/s 4.8 4.2 4.0 3.6 4.2 4.3 4.0 3.1 2.6 In-Plane Throughflow 20 kPa Load, i=1.0 l/hr/m 20 30 35 40 50 58 80 90 110 ISO 12958 Pore Size O95 W micron 200 170 155 138 132 130 114 <75 <75 SANS 12956 ROLL DIMENSIONS Width Std m 1.32, 1.76, 2.65, 3.53 & 5.3 2.65 & 5.3 Length Std m 150 75 50 Notes: 1. Above values are typical (Mean) and are carried out during the production process by accredited laboratory. The information given is this datasheet is to the best of our knowledge true and correct. TeMa SA reserves the right to change its product specifications at any time. It is the responsibility of the specifier and purchaser to ensure that product specifications used for the design and procurement purposes are current and consistent with the products used in each instance. Tema South Africa (Pty) Ltd Unit 2 Meadowview Office Park, 79 Watt Street, Meadowdale 1609, Gauteng, South Africa T: +27 (0)72 873 0101 F: +27 (0)86 511 7062 E: [email protected] W: www.temaSA.co.za

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TeMa – TEX NW

STRUCTURE: TeMa-TEX W is a Polyester (rPET), continuous filament, needle-punched nonwoven Geotextile.

Functions: Filtration, Drainage, Separation, Protection & Reinforcement

MECHANICAL PROPERTIES N

Thickness Under 2 kPa mm 1.2 1.4 1.6 1.8 2.6 3.1 4.4 5.2 6.4 SANS 9863-1 Tensile Strength (Ultimate)

Weaker Direction

kN/m 7.8 9.0 11.5 14.0 19.5 26.0 40.0 50.0 56.0 SANS 1525 /

EN ISO 10319 Elongation % 50 - 70

Static Puncture Strength

CBR kN 1.5 1.9 2.2 2.7 3.6 4.8 7.1 9.5 11.7 SANS 12236

Puncture Resistance

Diameters of hole (Max) mm 30 27 25 19 16 13 8 6 3 SANS 13433

Trapezoidal Tear Strength

Weaker Direction N 240 320 375 440 600 800 1200 1600 2100 ASTM D4533

Grab Strength Weaker

Direction N 500 600 730 900 1250 1550 2500 3260 4700 ASTM D4632

Elongation % 50 - 80 UV Stability 70% strength retained after 1000 hours ASTM D4355 HYDRAULIC PROPERTIES Normal Throughflow

@50mm head l/s/m2 200 150 125 100 80 70 45 30 20

SANS 11058 Flow Velocity Calculation based on

throughflow & thickness

m/s 0.2 0.15 0.13 0.10 0.08 0.07 0.05 0.03 0.020

Permeability x10-3

m/s 4.8 4.2 4.0 3.6 4.2 4.3 4.0 3.1 2.6

In-Plane Throughflow

20 kPa Load, i=1.0

l/hr/m 20 30 35 40 50 58 80 90 110 ISO 12958

Pore Size O95 W micron 200 170 155 138 132 130 114 <75 <75 SANS 12956 ROLL DIMENSIONS Width Std m 1.32, 1.76, 2.65, 3.53 & 5.3 2.65 & 5.3 Length Std m 150 75 50

Notes: 1. Above values are typical (Mean) and are carried out during the production process by accredited laboratory.

The information given is this datasheet is to the best of our knowledge true and correct. TeMa SA reserves the right to change its product specifications at any time. It is the responsibility of the specifier and purchaser to ensure that product specifications used for the design and procurement purposes are current and consistent with the products used in each instance.

Tema South Africa (Pty) Ltd

Unit 2 Meadowview Office Park, 79 Watt Street, Meadowdale 1609, Gauteng, South Africa

T: +27 (0)72 873 0101 F: +27 (0)86 511 7062 E: [email protected] W: www.temaSA.co.za

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