Press Release 

Thrace-LINQ TECH NOTE #20

METRIC CONVERSION FACTORS FOR GEOTEXTILES

PROPERTY

ENGLISH UNITS

MULTIPLY BY

METRIC UNITS

AOS

U.S. Standard Sieve

none

mm

Asphalt Retention

gal/yd2

4.53

l/m2

CBR Puncture

lb

4.45

N

Flow Rate

gal/min/ft2

40.7447

l/min/m2

Grab Strength

lb

4.45

N

Mass per Unit Area

oz/yd2

33.95

g/m2

Mullen Burst

psi

6.894

kPa

Permeability

cm/sec

none

same

Permittivity

sec-1

none

same

Puncture

lb

4.45

N

Roll Area

yd2

0.8361

m2

Roll Length

ft

0.305

m

Roll Weight

lb

0.454

kg

Roll Width

in

0.0254

m

Thickness

mil

0.0254

mm

Trap Tear

lb

4.45

N

UV Resistance

% strength retained

none

same

Wide Width

lb/in

0.1752

kN/m

Thrace-LINQ, Inc. Tech Notes ©1998 ©2007 Thrace-LINQ, Inc.

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Thrace-LINQ, Inc. is a global supplier of woven and nonwoven polypropylene-based Geosynthetic fabrics for a wide variety of technical textile applications. Our corporate office and United States manufacturing site is located in Summerville, South Carolina. Thrace-LINQ is a member of The Thrace Plastics Group, a subsidiary of Thrace Plastics Co. S.A. (Athens, Greece).

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